./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--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 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:02:56,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:02:56,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:02:56,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:02:56,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:02:56,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:02:56,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:02:56,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:02:56,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:02:56,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:02:56,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:02:56,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:02:56,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:02:56,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:02:56,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:02:56,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:02:56,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:02:56,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:02:56,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:02:56,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:02:56,304 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:02:56,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:02:56,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:02:56,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:02:56,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:02:56,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:02:56,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:02:56,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:02:56,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:02:56,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:02:56,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:02:56,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:02:56,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:02:56,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:02:56,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:02:56,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:02:56,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:02:56,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:02:56,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:02:56,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:02:56,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:02:56,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:02:56,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:02:56,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:02:56,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:02:56,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:02:56,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:02:56,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:02:56,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:02:56,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:02:56,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:02:56,359 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:02:56,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:02:56,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:02:56,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:02:56,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:02:56,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:02:56,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:02:56,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:02:56,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:02:56,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:02:56,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:02:56,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:02:56,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:02:56,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:02:56,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:02:56,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:02:56,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:02:56,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:02:56,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:02:56,364 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:02:56,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:02:56,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:02:56,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 [2022-07-20 01:02:56,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:02:56,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:02:56,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:02:56,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:02:56,635 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:02:56,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-20 01:02:56,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2494d938a/dcdfa3e68eca458b984559a5780290ba/FLAG922d77037 [2022-07-20 01:02:57,510 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:02:57,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-20 01:02:57,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2494d938a/dcdfa3e68eca458b984559a5780290ba/FLAG922d77037 [2022-07-20 01:02:57,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2494d938a/dcdfa3e68eca458b984559a5780290ba [2022-07-20 01:02:57,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:02:57,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:02:57,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:02:57,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:02:57,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:02:57,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:57" (1/1) ... [2022-07-20 01:02:57,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c931f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:57, skipping insertion in model container [2022-07-20 01:02:57,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:57" (1/1) ... [2022-07-20 01:02:57,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:02:57,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:03:00,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2022-07-20 01:03:00,763 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-20 01:03:00,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:03:00,801 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:03:01,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2022-07-20 01:03:01,295 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-20 01:03:01,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:03:01,401 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:03:01,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01 WrapperNode [2022-07-20 01:03:01,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:03:01,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:03:01,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:03:01,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:03:01,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:01,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:01,976 INFO L137 Inliner]: procedures = 381, calls = 4764, calls flagged for inlining = 148, calls inlined = 144, statements flattened = 12523 [2022-07-20 01:03:01,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:03:01,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:03:01,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:03:01,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:03:01,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:01,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:03:02,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:03:02,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:03:02,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:03:02,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (1/1) ... [2022-07-20 01:03:02,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:03:02,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:03:02,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:03:02,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:03:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2022-07-20 01:03:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2022-07-20 01:03:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2022-07-20 01:03:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2022-07-20 01:03:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-07-20 01:03:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-07-20 01:03:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-07-20 01:03:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-07-20 01:03:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-20 01:03:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-20 01:03:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2022-07-20 01:03:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2022-07-20 01:03:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:03:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:03:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:03:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:03:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2022-07-20 01:03:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2022-07-20 01:03:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2022-07-20 01:03:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2022-07-20 01:03:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-07-20 01:03:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-07-20 01:03:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2022-07-20 01:03:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2022-07-20 01:03:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-20 01:03:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-20 01:03:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:03:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:03:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-07-20 01:03:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-07-20 01:03:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-20 01:03:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-20 01:03:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2022-07-20 01:03:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2022-07-20 01:03:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2022-07-20 01:03:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2022-07-20 01:03:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:03:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:03:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:03:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:03:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2022-07-20 01:03:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2022-07-20 01:03:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-07-20 01:03:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-07-20 01:03:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2022-07-20 01:03:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2022-07-20 01:03:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-07-20 01:03:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-07-20 01:03:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2022-07-20 01:03:02,749 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2022-07-20 01:03:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:03:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:03:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:03:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:03:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2022-07-20 01:03:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2022-07-20 01:03:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:03:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:03:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2022-07-20 01:03:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2022-07-20 01:03:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2022-07-20 01:03:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2022-07-20 01:03:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-07-20 01:03:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-07-20 01:03:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2022-07-20 01:03:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2022-07-20 01:03:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2022-07-20 01:03:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2022-07-20 01:03:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2022-07-20 01:03:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2022-07-20 01:03:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 01:03:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 01:03:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2022-07-20 01:03:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2022-07-20 01:03:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:03:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:03:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:03:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2022-07-20 01:03:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2022-07-20 01:03:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-20 01:03:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-20 01:03:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-20 01:03:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 01:03:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 01:03:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-20 01:03:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-20 01:03:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:03:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:03:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2022-07-20 01:03:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2022-07-20 01:03:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:03:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:03:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-20 01:03:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-20 01:03:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2022-07-20 01:03:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2022-07-20 01:03:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-20 01:03:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2022-07-20 01:03:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-07-20 01:03:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2022-07-20 01:03:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2022-07-20 01:03:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2022-07-20 01:03:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-20 01:03:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:03:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:03:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:03:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 01:03:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 01:03:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-07-20 01:03:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-07-20 01:03:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2022-07-20 01:03:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2022-07-20 01:03:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2022-07-20 01:03:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2022-07-20 01:03:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:03:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:03:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2022-07-20 01:03:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2022-07-20 01:03:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-20 01:03:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-20 01:03:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2022-07-20 01:03:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2022-07-20 01:03:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2022-07-20 01:03:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2022-07-20 01:03:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2022-07-20 01:03:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2022-07-20 01:03:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 01:03:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 01:03:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2022-07-20 01:03:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2022-07-20 01:03:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 01:03:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 01:03:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2022-07-20 01:03:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2022-07-20 01:03:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2022-07-20 01:03:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2022-07-20 01:03:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2022-07-20 01:03:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2022-07-20 01:03:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2022-07-20 01:03:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2022-07-20 01:03:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-20 01:03:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-20 01:03:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:03:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2022-07-20 01:03:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2022-07-20 01:03:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2022-07-20 01:03:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2022-07-20 01:03:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-07-20 01:03:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-07-20 01:03:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2022-07-20 01:03:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2022-07-20 01:03:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-07-20 01:03:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-07-20 01:03:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-20 01:03:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-20 01:03:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:03:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:03:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2022-07-20 01:03:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2022-07-20 01:03:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 01:03:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 01:03:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:03:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:03:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2022-07-20 01:03:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2022-07-20 01:03:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-20 01:03:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-20 01:03:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:03:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:03:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:03:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2022-07-20 01:03:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2022-07-20 01:03:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-20 01:03:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-20 01:03:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 01:03:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 01:03:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:03:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:03:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2022-07-20 01:03:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2022-07-20 01:03:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:03:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:03:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:03:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2022-07-20 01:03:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2022-07-20 01:03:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:03:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:03:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 01:03:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 01:03:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:03:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-07-20 01:03:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-07-20 01:03:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-07-20 01:03:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-07-20 01:03:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-07-20 01:03:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-07-20 01:03:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:03:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2022-07-20 01:03:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2022-07-20 01:03:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2022-07-20 01:03:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2022-07-20 01:03:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-07-20 01:03:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-07-20 01:03:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 01:03:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 01:03:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:03:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:03:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2022-07-20 01:03:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2022-07-20 01:03:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2022-07-20 01:03:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2022-07-20 01:03:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-20 01:03:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-20 01:03:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 01:03:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 01:03:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 01:03:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 01:03:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2022-07-20 01:03:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2022-07-20 01:03:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 01:03:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 01:03:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-07-20 01:03:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-07-20 01:03:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-20 01:03:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-20 01:03:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-07-20 01:03:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-07-20 01:03:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-07-20 01:03:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-07-20 01:03:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-07-20 01:03:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-07-20 01:03:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:03:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:03:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2022-07-20 01:03:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2022-07-20 01:03:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-07-20 01:03:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-07-20 01:03:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:03:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:03:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-07-20 01:03:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-07-20 01:03:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:03:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:03:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 01:03:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 01:03:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:03:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:03:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:03:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:03:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-07-20 01:03:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-07-20 01:03:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:03:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2022-07-20 01:03:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2022-07-20 01:03:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2022-07-20 01:03:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2022-07-20 01:03:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2022-07-20 01:03:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2022-07-20 01:03:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:03:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:03:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-20 01:03:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-20 01:03:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:03:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:03:03,923 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:03:03,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:03:04,487 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:03:16,669 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_16_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_16 } true; [2022-07-20 01:03:16,942 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:03:16,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:03:16,978 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:03:16,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:16 BoogieIcfgContainer [2022-07-20 01:03:16,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:03:16,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:03:16,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:03:16,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:03:16,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:57" (1/3) ... [2022-07-20 01:03:16,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc60b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:16, skipping insertion in model container [2022-07-20 01:03:16,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:01" (2/3) ... [2022-07-20 01:03:16,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc60b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:16, skipping insertion in model container [2022-07-20 01:03:16,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:16" (3/3) ... [2022-07-20 01:03:16,998 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-20 01:03:17,012 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:03:17,012 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:03:17,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:03:17,146 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3c684d3c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@566eed20 [2022-07-20 01:03:17,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:03:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 4003 states, 2875 states have (on average 1.4434782608695653) internal successors, (4150), 2964 states have internal predecessors, (4150), 983 states have call successors, (983), 144 states have call predecessors, (983), 143 states have return successors, (975), 956 states have call predecessors, (975), 975 states have call successors, (975) [2022-07-20 01:03:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-20 01:03:17,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:17,189 INFO L195 NwaCegarLoop]: 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] [2022-07-20 01:03:17,189 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:17,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1316631821, now seen corresponding path program 1 times [2022-07-20 01:03:17,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:17,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594723369] [2022-07-20 01:03:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:03:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:03:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:03:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:03:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:03:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:03:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:03:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:03:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:03:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:03:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:03:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:03:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:03:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:03:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:03:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:03:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:03:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:03:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:03:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:03:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:03:19,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:19,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594723369] [2022-07-20 01:03:19,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594723369] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:19,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:19,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:03:19,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490543872] [2022-07-20 01:03:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:19,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:03:19,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:19,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:03:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:03:19,151 INFO L87 Difference]: Start difference. First operand has 4003 states, 2875 states have (on average 1.4434782608695653) internal successors, (4150), 2964 states have internal predecessors, (4150), 983 states have call successors, (983), 144 states have call predecessors, (983), 143 states have return successors, (975), 956 states have call predecessors, (975), 975 states have call successors, (975) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 01:03:33,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:03:35,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:03:37,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:03:40,496 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 [] [2022-07-20 01:03:43,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:43,189 INFO L93 Difference]: Finished difference Result 8446 states and 13169 transitions. [2022-07-20 01:03:43,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:03:43,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 374 [2022-07-20 01:03:43,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:43,248 INFO L225 Difference]: With dead ends: 8446 [2022-07-20 01:03:43,249 INFO L226 Difference]: Without dead ends: 4423 [2022-07-20 01:03:43,283 INFO L412 NwaCegarLoop]: 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 [2022-07-20 01:03:43,287 INFO L413 NwaCegarLoop]: 5569 mSDtfsCounter, 1819 mSDsluCounter, 7999 mSDsCounter, 0 mSdLazyCounter, 5018 mSolverCounterSat, 2365 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 13568 SdHoareTripleChecker+Invalid, 7387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2365 IncrementalHoareTripleChecker+Valid, 5018 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:43,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 13568 Invalid, 7387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2365 Valid, 5018 Invalid, 4 Unknown, 0 Unchecked, 23.4s Time] [2022-07-20 01:03:43,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2022-07-20 01:03:43,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 3979. [2022-07-20 01:03:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3979 states, 2863 states have (on average 1.3810688089416696) internal successors, (3954), 2942 states have internal predecessors, (3954), 973 states have call successors, (973), 143 states have call predecessors, (973), 142 states have return successors, (967), 948 states have call predecessors, (967), 967 states have call successors, (967) [2022-07-20 01:03:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 5894 transitions. [2022-07-20 01:03:43,587 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 5894 transitions. Word has length 374 [2022-07-20 01:03:43,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:43,589 INFO L495 AbstractCegarLoop]: Abstraction has 3979 states and 5894 transitions. [2022-07-20 01:03:43,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 01:03:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 5894 transitions. [2022-07-20 01:03:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-20 01:03:43,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:43,603 INFO L195 NwaCegarLoop]: 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] [2022-07-20 01:03:43,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:03:43,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:43,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1863039481, now seen corresponding path program 1 times [2022-07-20 01:03:43,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:43,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341581386] [2022-07-20 01:03:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:43,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:03:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:03:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:03:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:03:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:03:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:03:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:03:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:03:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:03:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:03:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:03:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:03:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:03:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:03:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:03:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:03:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:03:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:03:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:03:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:03:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:03:44,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:44,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341581386] [2022-07-20 01:03:44,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341581386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:44,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:44,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:03:44,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646834078] [2022-07-20 01:03:44,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:44,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:03:44,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:44,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:03:44,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:03:44,677 INFO L87 Difference]: Start difference. First operand 3979 states and 5894 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:03:56,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:03:58,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:00,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:11,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:13,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:14,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:14,723 INFO L93 Difference]: Finished difference Result 12654 states and 18889 transitions. [2022-07-20 01:04:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:04:14,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 374 [2022-07-20 01:04:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:14,796 INFO L225 Difference]: With dead ends: 12654 [2022-07-20 01:04:14,796 INFO L226 Difference]: Without dead ends: 8739 [2022-07-20 01:04:14,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:04:14,822 INFO L413 NwaCegarLoop]: 6305 mSDtfsCounter, 9863 mSDsluCounter, 9960 mSDsCounter, 0 mSdLazyCounter, 6905 mSolverCounterSat, 5608 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10667 SdHoareTripleChecker+Valid, 16265 SdHoareTripleChecker+Invalid, 12518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5608 IncrementalHoareTripleChecker+Valid, 6905 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:14,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10667 Valid, 16265 Invalid, 12518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5608 Valid, 6905 Invalid, 5 Unknown, 0 Unchecked, 29.3s Time] [2022-07-20 01:04:14,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8739 states. [2022-07-20 01:04:15,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8739 to 7855. [2022-07-20 01:04:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7855 states, 5666 states have (on average 1.3833392163783975) internal successors, (7838), 5823 states have internal predecessors, (7838), 1904 states have call successors, (1904), 284 states have call predecessors, (1904), 284 states have return successors, (1904), 1857 states have call predecessors, (1904), 1898 states have call successors, (1904) [2022-07-20 01:04:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7855 states to 7855 states and 11646 transitions. [2022-07-20 01:04:15,216 INFO L78 Accepts]: Start accepts. Automaton has 7855 states and 11646 transitions. Word has length 374 [2022-07-20 01:04:15,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:15,220 INFO L495 AbstractCegarLoop]: Abstraction has 7855 states and 11646 transitions. [2022-07-20 01:04:15,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:04:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7855 states and 11646 transitions. [2022-07-20 01:04:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-20 01:04:15,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:15,228 INFO L195 NwaCegarLoop]: 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] [2022-07-20 01:04:15,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:04:15,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:15,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1678909399, now seen corresponding path program 1 times [2022-07-20 01:04:15,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:15,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656409702] [2022-07-20 01:04:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:04:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:04:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:04:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:04:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:04:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:04:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:04:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:04:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:04:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:04:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:04:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:04:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:04:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:04:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:04:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:04:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:04:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:04:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:04:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:04:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:04:16,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:16,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656409702] [2022-07-20 01:04:16,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656409702] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:16,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:04:16,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:04:16,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998032399] [2022-07-20 01:04:16,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:16,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:04:16,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:16,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:04:16,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:04:16,241 INFO L87 Difference]: Start difference. First operand 7855 states and 11646 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:04:29,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:31,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:34,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:36,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:38,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:40,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:42,930 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 [] [2022-07-20 01:04:56,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:56,038 INFO L93 Difference]: Finished difference Result 25109 states and 37474 transitions. [2022-07-20 01:04:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:04:56,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 375 [2022-07-20 01:04:56,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:56,173 INFO L225 Difference]: With dead ends: 25109 [2022-07-20 01:04:56,174 INFO L226 Difference]: Without dead ends: 17318 [2022-07-20 01:04:56,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:04:56,232 INFO L413 NwaCegarLoop]: 6350 mSDtfsCounter, 8800 mSDsluCounter, 12702 mSDsCounter, 0 mSdLazyCounter, 9094 mSolverCounterSat, 5268 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9598 SdHoareTripleChecker+Valid, 19052 SdHoareTripleChecker+Invalid, 14369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5268 IncrementalHoareTripleChecker+Valid, 9094 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:56,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9598 Valid, 19052 Invalid, 14369 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5268 Valid, 9094 Invalid, 7 Unknown, 0 Unchecked, 38.9s Time] [2022-07-20 01:04:56,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17318 states. [2022-07-20 01:04:56,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17318 to 15571. [2022-07-20 01:04:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15571 states, 11244 states have (on average 1.3841159729633583) internal successors, (15563), 11555 states have internal predecessors, (15563), 3759 states have call successors, (3759), 566 states have call predecessors, (3759), 567 states have return successors, (3765), 3669 states have call predecessors, (3765), 3753 states have call successors, (3765) [2022-07-20 01:04:57,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15571 states to 15571 states and 23087 transitions. [2022-07-20 01:04:57,063 INFO L78 Accepts]: Start accepts. Automaton has 15571 states and 23087 transitions. Word has length 375 [2022-07-20 01:04:57,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:57,067 INFO L495 AbstractCegarLoop]: Abstraction has 15571 states and 23087 transitions. [2022-07-20 01:04:57,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:04:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 15571 states and 23087 transitions. [2022-07-20 01:04:57,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-20 01:04:57,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:57,074 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-20 01:04:57,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:04:57,075 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:57,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2100800477, now seen corresponding path program 1 times [2022-07-20 01:04:57,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:57,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670331246] [2022-07-20 01:04:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:57,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:04:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:04:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:04:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:04:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:04:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:04:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:04:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:04:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:04:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:04:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:04:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:04:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:04:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:04:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:04:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:04:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:04:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:04:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:04:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:04:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:04:58,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:58,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670331246] [2022-07-20 01:04:58,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670331246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:58,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:04:58,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:04:58,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913040313] [2022-07-20 01:04:58,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:58,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:04:58,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:58,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:04:58,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:04:58,023 INFO L87 Difference]: Start difference. First operand 15571 states and 23087 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:05:08,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:10,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:13,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:15,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:17,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:19,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:21,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:38,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:40,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:05:40,437 INFO L93 Difference]: Finished difference Result 49441 states and 73750 transitions. [2022-07-20 01:05:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:05:40,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 380 [2022-07-20 01:05:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:05:40,664 INFO L225 Difference]: With dead ends: 49441 [2022-07-20 01:05:40,664 INFO L226 Difference]: Without dead ends: 33934 [2022-07-20 01:05:40,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:05:40,751 INFO L413 NwaCegarLoop]: 6825 mSDtfsCounter, 8486 mSDsluCounter, 13380 mSDsCounter, 0 mSdLazyCounter, 9347 mSolverCounterSat, 5041 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9291 SdHoareTripleChecker+Valid, 20205 SdHoareTripleChecker+Invalid, 14396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5041 IncrementalHoareTripleChecker+Valid, 9347 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:05:40,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9291 Valid, 20205 Invalid, 14396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5041 Valid, 9347 Invalid, 8 Unknown, 0 Unchecked, 41.2s Time] [2022-07-20 01:05:40,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33934 states. [2022-07-20 01:05:42,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33934 to 30522. [2022-07-20 01:05:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30522 states, 22058 states have (on average 1.3840783389246532) internal successors, (30530), 22660 states have internal predecessors, (30530), 7341 states have call successors, (7341), 1119 states have call predecessors, (7341), 1122 states have return successors, (7359), 7176 states have call predecessors, (7359), 7335 states have call successors, (7359) [2022-07-20 01:05:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30522 states to 30522 states and 45230 transitions. [2022-07-20 01:05:42,278 INFO L78 Accepts]: Start accepts. Automaton has 30522 states and 45230 transitions. Word has length 380 [2022-07-20 01:05:42,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:05:42,280 INFO L495 AbstractCegarLoop]: Abstraction has 30522 states and 45230 transitions. [2022-07-20 01:05:42,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:05:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30522 states and 45230 transitions. [2022-07-20 01:05:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-07-20 01:05:42,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:05:42,283 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:05:42,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:05:42,284 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:05:42,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:05:42,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1217699099, now seen corresponding path program 1 times [2022-07-20 01:05:42,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:05:42,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158941639] [2022-07-20 01:05:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:05:42,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:05:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:05:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:05:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:05:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:05:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:05:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:05:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:05:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:05:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:05:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:05:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:05:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:05:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:05:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:05:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:05:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:05:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:05:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:05:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:05:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:05:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:05:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:05:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:05:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:05:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:05:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:05:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:05:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:05:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:05:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:05:43,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:05:43,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158941639] [2022-07-20 01:05:43,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158941639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:05:43,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:05:43,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:05:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504913074] [2022-07-20 01:05:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:05:43,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:05:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:05:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:05:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:05:43,625 INFO L87 Difference]: Start difference. First operand 30522 states and 45230 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:51,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:53,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:55,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:58,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:05:58,596 INFO L93 Difference]: Finished difference Result 33922 states and 50736 transitions. [2022-07-20 01:05:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:05:58,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 383 [2022-07-20 01:05:58,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:05:58,839 INFO L225 Difference]: With dead ends: 33922 [2022-07-20 01:05:58,839 INFO L226 Difference]: Without dead ends: 33919 [2022-07-20 01:05:58,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:05:58,859 INFO L413 NwaCegarLoop]: 5520 mSDtfsCounter, 8144 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 4307 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8830 SdHoareTripleChecker+Valid, 8621 SdHoareTripleChecker+Invalid, 6430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4307 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:05:58,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8830 Valid, 8621 Invalid, 6430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4307 Valid, 2120 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-07-20 01:05:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33919 states. [2022-07-20 01:06:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33919 to 30521. [2022-07-20 01:06:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30521 states, 22058 states have (on average 1.3840330038988122) internal successors, (30529), 22659 states have internal predecessors, (30529), 7340 states have call successors, (7340), 1119 states have call predecessors, (7340), 1122 states have return successors, (7359), 7176 states have call predecessors, (7359), 7335 states have call successors, (7359) [2022-07-20 01:06:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30521 states to 30521 states and 45228 transitions. [2022-07-20 01:06:00,279 INFO L78 Accepts]: Start accepts. Automaton has 30521 states and 45228 transitions. Word has length 383 [2022-07-20 01:06:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:06:00,280 INFO L495 AbstractCegarLoop]: Abstraction has 30521 states and 45228 transitions. [2022-07-20 01:06:00,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30521 states and 45228 transitions. [2022-07-20 01:06:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-20 01:06:00,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:06:00,283 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:06:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:06:00,284 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:06:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:06:00,284 INFO L85 PathProgramCache]: Analyzing trace with hash 904390162, now seen corresponding path program 1 times [2022-07-20 01:06:00,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:06:00,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843026682] [2022-07-20 01:06:00,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:06:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:06:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:06:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:06:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:06:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:06:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:06:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:06:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:06:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:06:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:06:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:06:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:06:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:06:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:06:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:06:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:06:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:06:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:06:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:06:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:06:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:06:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:06:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:06:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:06:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:06:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:06:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:06:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:06:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:06:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:06:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:06:01,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:06:01,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843026682] [2022-07-20 01:06:01,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843026682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:06:01,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:06:01,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:06:01,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932109538] [2022-07-20 01:06:01,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:06:01,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:06:01,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:06:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:06:01,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:06:01,666 INFO L87 Difference]: Start difference. First operand 30521 states and 45228 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:11,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:14,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:16,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:19,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:06:19,562 INFO L93 Difference]: Finished difference Result 33921 states and 50734 transitions. [2022-07-20 01:06:19,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:06:19,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 384 [2022-07-20 01:06:19,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:06:19,744 INFO L225 Difference]: With dead ends: 33921 [2022-07-20 01:06:19,744 INFO L226 Difference]: Without dead ends: 33918 [2022-07-20 01:06:19,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:06:19,776 INFO L413 NwaCegarLoop]: 5533 mSDtfsCounter, 7494 mSDsluCounter, 5408 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 3169 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8180 SdHoareTripleChecker+Valid, 10941 SdHoareTripleChecker+Invalid, 6743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3169 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:06:19,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8180 Valid, 10941 Invalid, 6743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3169 Valid, 3571 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2022-07-20 01:06:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33918 states. [2022-07-20 01:06:21,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33918 to 30520. [2022-07-20 01:06:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30520 states, 22058 states have (on average 1.3839876688729713) internal successors, (30528), 22658 states have internal predecessors, (30528), 7339 states have call successors, (7339), 1119 states have call predecessors, (7339), 1122 states have return successors, (7359), 7176 states have call predecessors, (7359), 7335 states have call successors, (7359) [2022-07-20 01:06:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30520 states to 30520 states and 45226 transitions. [2022-07-20 01:06:21,319 INFO L78 Accepts]: Start accepts. Automaton has 30520 states and 45226 transitions. Word has length 384 [2022-07-20 01:06:21,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:06:21,320 INFO L495 AbstractCegarLoop]: Abstraction has 30520 states and 45226 transitions. [2022-07-20 01:06:21,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 30520 states and 45226 transitions. [2022-07-20 01:06:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-20 01:06:21,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:06:21,323 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:06:21,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:06:21,324 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:06:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:06:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2030314616, now seen corresponding path program 1 times [2022-07-20 01:06:21,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:06:21,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794004231] [2022-07-20 01:06:21,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:06:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:06:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:06:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:06:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:06:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:06:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:06:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:06:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:06:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:06:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:06:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:06:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:06:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:06:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:06:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:06:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:06:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:06:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:06:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:06:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:06:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:06:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:06:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:06:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:06:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:06:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:06:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:06:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:06:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:06:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:06:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:06:22,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:06:22,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794004231] [2022-07-20 01:06:22,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794004231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:06:22,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:06:22,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:06:22,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301485063] [2022-07-20 01:06:22,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:06:22,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:06:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:06:22,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:06:22,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:06:22,543 INFO L87 Difference]: Start difference. First operand 30520 states and 45226 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:30,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:32,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:06:39,565 INFO L93 Difference]: Finished difference Result 47045 states and 69401 transitions. [2022-07-20 01:06:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:06:39,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 385 [2022-07-20 01:06:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:06:39,762 INFO L225 Difference]: With dead ends: 47045 [2022-07-20 01:06:39,762 INFO L226 Difference]: Without dead ends: 47041 [2022-07-20 01:06:39,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:06:39,792 INFO L413 NwaCegarLoop]: 5859 mSDtfsCounter, 8967 mSDsluCounter, 5200 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 5689 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9651 SdHoareTripleChecker+Valid, 11059 SdHoareTripleChecker+Invalid, 9226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5689 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:06:39,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9651 Valid, 11059 Invalid, 9226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5689 Valid, 3535 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2022-07-20 01:06:39,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47041 states. [2022-07-20 01:06:41,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47041 to 42337. [2022-07-20 01:06:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42337 states, 30467 states have (on average 1.3712869662257525) internal successors, (41779), 31268 states have internal predecessors, (41779), 10040 states have call successors, (10040), 1826 states have call predecessors, (10040), 1829 states have return successors, (10062), 9851 states have call predecessors, (10062), 10038 states have call successors, (10062) [2022-07-20 01:06:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42337 states to 42337 states and 61881 transitions. [2022-07-20 01:06:41,883 INFO L78 Accepts]: Start accepts. Automaton has 42337 states and 61881 transitions. Word has length 385 [2022-07-20 01:06:41,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:06:41,884 INFO L495 AbstractCegarLoop]: Abstraction has 42337 states and 61881 transitions. [2022-07-20 01:06:41,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 42337 states and 61881 transitions. [2022-07-20 01:06:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-20 01:06:41,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:06:41,887 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:06:41,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:06:41,888 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:06:41,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:06:41,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1483122645, now seen corresponding path program 1 times [2022-07-20 01:06:41,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:06:41,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884597462] [2022-07-20 01:06:41,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:06:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:06:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:06:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:06:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:06:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:06:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:06:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:06:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:06:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:06:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:06:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:06:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:06:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:06:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:06:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:06:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:06:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:06:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:06:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:06:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:06:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:06:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:06:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:06:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:06:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:06:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:06:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:06:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:06:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:06:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:06:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:06:43,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:06:43,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884597462] [2022-07-20 01:06:43,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884597462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:06:43,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:06:43,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:06:43,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906364113] [2022-07-20 01:06:43,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:06:43,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:06:43,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:06:43,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:06:43,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:06:43,048 INFO L87 Difference]: Start difference. First operand 42337 states and 61881 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)