./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:52:11,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:52:11,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:52:11,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:52:11,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:52:11,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:52:11,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:52:11,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:52:11,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:52:11,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:52:11,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:52:11,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:52:11,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:52:11,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:52:11,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:52:11,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:52:11,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:52:11,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:52:11,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:52:11,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:52:11,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:52:11,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:52:11,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:52:11,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:52:11,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:52:11,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:52:11,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:52:11,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:52:11,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:52:11,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:52:11,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:52:11,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:52:11,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:52:11,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:52:11,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:52:11,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:52:11,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:52:11,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:52:11,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:52:11,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:52:11,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:52:11,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:52:11,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:52:11,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:52:11,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:52:11,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:52:11,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:52:11,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:52:11,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:52:11,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:52:11,385 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:52:11,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:52:11,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:52:11,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:52:11,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:52:11,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:52:11,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:52:11,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:52:11,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:52:11,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:52:11,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:52:11,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:52:11,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:52:11,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:52:11,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:52:11,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:52:11,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:52:11,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:52:11,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:52:11,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:52:11,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:52:11,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:52:11,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:52:11,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2021-12-21 16:52:11,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:52:11,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:52:11,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:52:11,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:52:11,583 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:52:11,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-21 16:52:11,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e656354/939094303a4f4713acd8619233b0005c/FLAG787ee3433 [2021-12-21 16:52:12,175 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:52:12,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-21 16:52:12,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e656354/939094303a4f4713acd8619233b0005c/FLAG787ee3433 [2021-12-21 16:52:12,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e656354/939094303a4f4713acd8619233b0005c [2021-12-21 16:52:12,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:52:12,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:52:12,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:52:12,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:52:12,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:52:12,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:52:12" (1/1) ... [2021-12-21 16:52:12,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1668d9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:12, skipping insertion in model container [2021-12-21 16:52:12,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:52:12" (1/1) ... [2021-12-21 16:52:12,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:52:12,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:52:14,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2021-12-21 16:52:14,773 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-21 16:52:14,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:52:14,804 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:52:15,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2021-12-21 16:52:15,262 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-21 16:52:15,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:52:15,341 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:52:15,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15 WrapperNode [2021-12-21 16:52:15,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:52:15,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:52:15,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:52:15,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:52:15,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:15,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:15,805 INFO L137 Inliner]: procedures = 335, calls = 4672, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 11540 [2021-12-21 16:52:15,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:52:15,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:52:15,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:52:15,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:52:15,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:15,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:15,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:15,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:16,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:16,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:16,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:16,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:52:16,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:52:16,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:52:16,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:52:16,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (1/1) ... [2021-12-21 16:52:16,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:52:16,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:52:16,204 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) [2021-12-21 16:52:16,219 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 [2021-12-21 16:52:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-21 16:52:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-21 16:52:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2021-12-21 16:52:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2021-12-21 16:52:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-21 16:52:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-21 16:52:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-21 16:52:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-21 16:52:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-21 16:52:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-21 16:52:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2021-12-21 16:52:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2021-12-21 16:52:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:52:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:52:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:52:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:52:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2021-12-21 16:52:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2021-12-21 16:52:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-21 16:52:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-21 16:52:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2021-12-21 16:52:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2021-12-21 16:52:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-21 16:52:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-21 16:52:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:52:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:52:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:52:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:52:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-21 16:52:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-21 16:52:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-21 16:52:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-21 16:52:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-21 16:52:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-21 16:52:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-21 16:52:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-21 16:52:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:52:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:52:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:52:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:52:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2021-12-21 16:52:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2021-12-21 16:52:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-21 16:52:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-21 16:52:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2021-12-21 16:52:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2021-12-21 16:52:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-21 16:52:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-21 16:52:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2021-12-21 16:52:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2021-12-21 16:52:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:52:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:52:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:52:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:52:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-21 16:52:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-21 16:52:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:52:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:52:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2021-12-21 16:52:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2021-12-21 16:52:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2021-12-21 16:52:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2021-12-21 16:52:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-21 16:52:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-21 16:52:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-21 16:52:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-21 16:52:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2021-12-21 16:52:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2021-12-21 16:52:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-21 16:52:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-21 16:52:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2021-12-21 16:52:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2021-12-21 16:52:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2021-12-21 16:52:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2021-12-21 16:52:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2021-12-21 16:52:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2021-12-21 16:52:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-21 16:52:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-21 16:52:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2021-12-21 16:52:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2021-12-21 16:52:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:52:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:52:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:52:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-21 16:52:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-21 16:52:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2021-12-21 16:52:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2021-12-21 16:52:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-21 16:52:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-21 16:52:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:52:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 16:52:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-21 16:52:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-21 16:52:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-21 16:52:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-21 16:52:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-21 16:52:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-21 16:52:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-21 16:52:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-21 16:52:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:52:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:52:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:52:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:52:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:52:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:52:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2021-12-21 16:52:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2021-12-21 16:52:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-21 16:52:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-21 16:52:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2021-12-21 16:52:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2021-12-21 16:52:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-21 16:52:16,246 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-21 16:52:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:52:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:52:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2021-12-21 16:52:16,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2021-12-21 16:52:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-21 16:52:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-21 16:52:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-21 16:52:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-21 16:52:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2021-12-21 16:52:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2021-12-21 16:52:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-21 16:52:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-21 16:52:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2021-12-21 16:52:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2021-12-21 16:52:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-21 16:52:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-21 16:52:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:52:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:52:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2021-12-21 16:52:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2021-12-21 16:52:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-21 16:52:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-21 16:52:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:52:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:52:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-21 16:52:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-21 16:52:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2021-12-21 16:52:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2021-12-21 16:52:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2021-12-21 16:52:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2021-12-21 16:52:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:52:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:52:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-21 16:52:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-21 16:52:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-21 16:52:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-21 16:52:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-21 16:52:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-21 16:52:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2021-12-21 16:52:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2021-12-21 16:52:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-21 16:52:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-21 16:52:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-21 16:52:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-21 16:52:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2021-12-21 16:52:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2021-12-21 16:52:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:52:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:52:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2021-12-21 16:52:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2021-12-21 16:52:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2021-12-21 16:52:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2021-12-21 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2021-12-21 16:52:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2021-12-21 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2021-12-21 16:52:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2021-12-21 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-21 16:52:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-21 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2021-12-21 16:52:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2021-12-21 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-21 16:52:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-21 16:52:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2021-12-21 16:52:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2021-12-21 16:52:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-21 16:52:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-21 16:52:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-21 16:52:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-21 16:52:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:52:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:52:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:52:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:52:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2021-12-21 16:52:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2021-12-21 16:52:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-21 16:52:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-21 16:52:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:52:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:52:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2021-12-21 16:52:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2021-12-21 16:52:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-21 16:52:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-21 16:52:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:52:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:52:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:52:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2021-12-21 16:52:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2021-12-21 16:52:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-21 16:52:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-21 16:52:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:52:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:52:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:52:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:52:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-21 16:52:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-21 16:52:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:52:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:52:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:52:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-21 16:52:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2021-12-21 16:52:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2021-12-21 16:52:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:52:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:52:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:52:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:52:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:52:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-21 16:52:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-21 16:52:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-21 16:52:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-21 16:52:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-21 16:52:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-21 16:52:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:52:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2021-12-21 16:52:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2021-12-21 16:52:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2021-12-21 16:52:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2021-12-21 16:52:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-21 16:52:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-21 16:52:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:52:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:52:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:52:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:52:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2021-12-21 16:52:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2021-12-21 16:52:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-21 16:52:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-21 16:52:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-21 16:52:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-21 16:52:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-21 16:52:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-21 16:52:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:52:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:52:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-21 16:52:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-21 16:52:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 16:52:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 16:52:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-21 16:52:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-21 16:52:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-21 16:52:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-21 16:52:16,278 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-21 16:52:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-21 16:52:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-21 16:52:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-21 16:52:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:52:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:52:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2021-12-21 16:52:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2021-12-21 16:52:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-21 16:52:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-21 16:52:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:52:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:52:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-21 16:52:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-21 16:52:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:52:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:52:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-21 16:52:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-21 16:52:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:52:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:52:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:52:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:52:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-21 16:52:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-21 16:52:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:52:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2021-12-21 16:52:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2021-12-21 16:52:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2021-12-21 16:52:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2021-12-21 16:52:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2021-12-21 16:52:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2021-12-21 16:52:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:52:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:52:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-21 16:52:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-21 16:52:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:52:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:52:17,325 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:52:17,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:52:17,698 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:52:27,245 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2021-12-21 16:52:27,459 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:52:27,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:52:27,485 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:52:27,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:52:27 BoogieIcfgContainer [2021-12-21 16:52:27,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:52:27,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:52:27,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:52:27,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:52:27,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:52:12" (1/3) ... [2021-12-21 16:52:27,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5ae62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:52:27, skipping insertion in model container [2021-12-21 16:52:27,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:52:15" (2/3) ... [2021-12-21 16:52:27,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5ae62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:52:27, skipping insertion in model container [2021-12-21 16:52:27,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:52:27" (3/3) ... [2021-12-21 16:52:27,497 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-21 16:52:27,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:52:27,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:52:27,551 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:52:27,557 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 [2021-12-21 16:52:27,557 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:52:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 3524 states, 2423 states have (on average 1.3656624019810153) internal successors, (3309), 2509 states have internal predecessors, (3309), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) [2021-12-21 16:52:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-21 16:52:27,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:27,630 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:52:27,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:27,635 INFO L85 PathProgramCache]: Analyzing trace with hash 462456051, now seen corresponding path program 1 times [2021-12-21 16:52:27,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:27,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432273250] [2021-12-21 16:52:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:27,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:52:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 16:52:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 16:52:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 16:52:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 16:52:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-21 16:52:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 16:52:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 16:52:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 16:52:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:52:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 16:52:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 16:52:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-21 16:52:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-21 16:52:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:52:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-21 16:52:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-21 16:52:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-21 16:52:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-21 16:52:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-21 16:52:28,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:28,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432273250] [2021-12-21 16:52:28,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432273250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:28,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:28,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:52:28,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030132899] [2021-12-21 16:52:28,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:28,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:52:28,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:52:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:52:28,931 INFO L87 Difference]: Start difference. First operand has 3524 states, 2423 states have (on average 1.3656624019810153) internal successors, (3309), 2509 states have internal predecessors, (3309), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 16:52:38,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:41,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:43,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:43,378 INFO L93 Difference]: Finished difference Result 7407 states and 11156 transitions. [2021-12-21 16:52:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:52:43,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 375 [2021-12-21 16:52:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:43,416 INFO L225 Difference]: With dead ends: 7407 [2021-12-21 16:52:43,417 INFO L226 Difference]: Without dead ends: 3853 [2021-12-21 16:52:43,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:43,440 INFO L933 BasicCegarLoop]: 4850 mSDtfsCounter, 1599 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 3453 mSolverCounterSat, 2309 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 9262 SdHoareTripleChecker+Invalid, 5764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 3453 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:43,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1700 Valid, 9262 Invalid, 5764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2309 Valid, 3453 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2021-12-21 16:52:43,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2021-12-21 16:52:43,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3490. [2021-12-21 16:52:43,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2405 states have (on average 1.3613305613305613) internal successors, (3274), 2481 states have internal predecessors, (3274), 948 states have call successors, (948), 137 states have call predecessors, (948), 136 states have return successors, (946), 927 states have call predecessors, (946), 946 states have call successors, (946) [2021-12-21 16:52:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5168 transitions. [2021-12-21 16:52:43,690 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5168 transitions. Word has length 375 [2021-12-21 16:52:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:43,691 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 5168 transitions. [2021-12-21 16:52:43,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 16:52:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5168 transitions. [2021-12-21 16:52:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-21 16:52:43,698 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:43,698 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:52:43,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:52:43,699 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:43,699 INFO L85 PathProgramCache]: Analyzing trace with hash 703687775, now seen corresponding path program 1 times [2021-12-21 16:52:43,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:43,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607940198] [2021-12-21 16:52:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:43,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:52:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 16:52:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 16:52:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 16:52:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 16:52:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-21 16:52:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 16:52:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 16:52:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 16:52:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:52:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 16:52:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 16:52:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-21 16:52:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-21 16:52:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:52:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-21 16:52:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-21 16:52:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-21 16:52:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-21 16:52:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-21 16:52:44,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:44,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607940198] [2021-12-21 16:52:44,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607940198] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:44,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:44,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:44,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143260808] [2021-12-21 16:52:44,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:44,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:44,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:44,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:44,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:44,507 INFO L87 Difference]: Start difference. First operand 3490 states and 5168 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-21 16:52:53,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:56,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:58,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:53:07,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:53:09,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:53:10,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:53:10,579 INFO L93 Difference]: Finished difference Result 11038 states and 16498 transitions. [2021-12-21 16:53:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:53:10,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 375 [2021-12-21 16:53:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:53:10,622 INFO L225 Difference]: With dead ends: 11038 [2021-12-21 16:53:10,622 INFO L226 Difference]: Without dead ends: 7612 [2021-12-21 16:53:10,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:53:10,636 INFO L933 BasicCegarLoop]: 5555 mSDtfsCounter, 8333 mSDsluCounter, 8765 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 5456 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9112 SdHoareTripleChecker+Valid, 14320 SdHoareTripleChecker+Invalid, 11455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5456 IncrementalHoareTripleChecker+Valid, 5995 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:53:10,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9112 Valid, 14320 Invalid, 11455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5456 Valid, 5995 Invalid, 4 Unknown, 0 Unchecked, 25.4s Time] [2021-12-21 16:53:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7612 states. [2021-12-21 16:53:10,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7612 to 6883. [2021-12-21 16:53:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6883 states, 4752 states have (on average 1.3634259259259258) internal successors, (6479), 4904 states have internal predecessors, (6479), 1859 states have call successors, (1859), 272 states have call predecessors, (1859), 271 states have return successors, (1857), 1818 states have call predecessors, (1857), 1857 states have call successors, (1857) [2021-12-21 16:53:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 10195 transitions. [2021-12-21 16:53:10,932 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 10195 transitions. Word has length 375 [2021-12-21 16:53:10,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:53:10,935 INFO L470 AbstractCegarLoop]: Abstraction has 6883 states and 10195 transitions. [2021-12-21 16:53:10,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-21 16:53:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 10195 transitions. [2021-12-21 16:53:10,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-12-21 16:53:10,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:53:10,945 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:53:10,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:53:10,946 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:53:10,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:53:10,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1667443354, now seen corresponding path program 1 times [2021-12-21 16:53:10,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:53:10,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58735365] [2021-12-21 16:53:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:53:10,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:53:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:53:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:53:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:53:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:53:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:53:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:53:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:53:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:53:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:53:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:53:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:53:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 16:53:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 16:53:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 16:53:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 16:53:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-21 16:53:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 16:53:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 16:53:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 16:53:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:53:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 16:53:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 16:53:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-21 16:53:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-21 16:53:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:53:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-21 16:53:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-21 16:53:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-21 16:53:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-21 16:53:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:53:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:53:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-21 16:53:11,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:53:11,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58735365] [2021-12-21 16:53:11,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58735365] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:53:11,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:53:11,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:53:11,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103125104] [2021-12-21 16:53:11,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:53:11,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:53:11,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:53:11,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:53:11,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:53:11,776 INFO L87 Difference]: Start difference. First operand 6883 states and 10195 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)