./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.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 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:55:23,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:55:23,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:55:23,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:55:23,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:55:23,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:55:23,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:55:23,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:55:23,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:55:23,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:55:23,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:55:23,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:55:23,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:55:23,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:55:23,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:55:23,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:55:23,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:55:23,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:55:23,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:55:23,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:55:23,675 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:55:23,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:55:23,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:55:23,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:55:23,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:55:23,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:55:23,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:55:23,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:55:23,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:55:23,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:55:23,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:55:23,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:55:23,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:55:23,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:55:23,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:55:23,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:55:23,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:55:23,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:55:23,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:55:23,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:55:23,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:55:23,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:55:23,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:55:23,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:55:23,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:55:23,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:55:23,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:55:23,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:55:23,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:55:23,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:55:23,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:55:23,703 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:55:23,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:55:23,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:55:23,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:55:23,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:55:23,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:55:23,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:55:23,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:55:23,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:55:23,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:55:23,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:55:23,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:55:23,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:55:23,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:55:23,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:55:23,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:55:23,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:55:23,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:55:23,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:55:23,707 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:55:23,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:55:23,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:55:23,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2022-07-13 23:55:23,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:55:23,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:55:23,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:55:23,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:55:23,865 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:55:23,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-13 23:55:23,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8489d8280/4a244a13d8024b11bc9b8a860474e355/FLAGc444706c2 [2022-07-13 23:55:24,578 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:55:24,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-13 23:55:24,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8489d8280/4a244a13d8024b11bc9b8a860474e355/FLAGc444706c2 [2022-07-13 23:55:24,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8489d8280/4a244a13d8024b11bc9b8a860474e355 [2022-07-13 23:55:24,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:55:24,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:55:24,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:55:24,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:55:24,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:55:24,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:55:24" (1/1) ... [2022-07-13 23:55:24,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c18438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:24, skipping insertion in model container [2022-07-13 23:55:24,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:55:24" (1/1) ... [2022-07-13 23:55:24,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:55:25,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:55:26,792 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-07-13 23:55:26,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:55:26,915 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:55:27,296 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-07-13 23:55:27,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:55:27,398 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:55:27,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27 WrapperNode [2022-07-13 23:55:27,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:55:27,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:55:27,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:55:27,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:55:27,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:27,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:27,953 INFO L137 Inliner]: procedures = 348, calls = 6056, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 13098 [2022-07-13 23:55:27,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:55:27,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:55:27,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:55:27,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:55:27,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:27,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:55:28,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:55:28,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:55:28,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:55:28,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (1/1) ... [2022-07-13 23:55:28,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:55:28,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:55:28,495 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) [2022-07-13 23:55:28,510 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 [2022-07-13 23:55:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-07-13 23:55:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-07-13 23:55:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-07-13 23:55:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-07-13 23:55:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-07-13 23:55:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-07-13 23:55:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:55:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:55:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:55:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:55:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-07-13 23:55:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-07-13 23:55:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-07-13 23:55:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-07-13 23:55:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-07-13 23:55:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-07-13 23:55:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-07-13 23:55:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-07-13 23:55:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-07-13 23:55:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-07-13 23:55:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:55:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:55:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-13 23:55:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-13 23:55:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-07-13 23:55:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-07-13 23:55:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:55:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:55:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:55:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:55:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-07-13 23:55:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-07-13 23:55:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-07-13 23:55:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-07-13 23:55:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-07-13 23:55:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-07-13 23:55:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-07-13 23:55:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-07-13 23:55:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-07-13 23:55:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-07-13 23:55:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-07-13 23:55:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-07-13 23:55:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-13 23:55:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-13 23:55:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:55:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:55:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-07-13 23:55:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-07-13 23:55:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:55:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:55:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-07-13 23:55:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-07-13 23:55:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2022-07-13 23:55:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2022-07-13 23:55:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-07-13 23:55:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-07-13 23:55:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-13 23:55:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-13 23:55:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:55:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:55:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-13 23:55:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-13 23:55:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-13 23:55:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-13 23:55:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2022-07-13 23:55:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2022-07-13 23:55:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-07-13 23:55:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-07-13 23:55:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-07-13 23:55:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-07-13 23:55:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:55:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-13 23:55:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-13 23:55:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-07-13 23:55:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-07-13 23:55:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-13 23:55:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-13 23:55:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:55:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-07-13 23:55:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-07-13 23:55:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:55:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:55:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-07-13 23:55:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-07-13 23:55:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-07-13 23:55:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-07-13 23:55:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-07-13 23:55:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-07-13 23:55:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:55:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:55:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-07-13 23:55:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-07-13 23:55:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-07-13 23:55:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-07-13 23:55:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:55:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-13 23:55:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-13 23:55:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-07-13 23:55:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-07-13 23:55:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-13 23:55:28,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-13 23:55:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:55:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-07-13 23:55:28,534 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-07-13 23:55:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-07-13 23:55:28,534 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-07-13 23:55:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-07-13 23:55:28,534 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-07-13 23:55:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:55:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-07-13 23:55:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-07-13 23:55:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-07-13 23:55:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-07-13 23:55:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-13 23:55:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-13 23:55:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-07-13 23:55:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-07-13 23:55:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:55:28,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:55:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-07-13 23:55:28,536 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-07-13 23:55:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-07-13 23:55:28,536 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-07-13 23:55:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-07-13 23:55:28,536 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-07-13 23:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-07-13 23:55:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-07-13 23:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:55:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-07-13 23:55:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-07-13 23:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-07-13 23:55:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-07-13 23:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:55:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:55:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:55:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-07-13 23:55:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-07-13 23:55:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-07-13 23:55:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-07-13 23:55:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:55:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:55:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-07-13 23:55:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-07-13 23:55:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-07-13 23:55:28,539 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-07-13 23:55:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:55:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-13 23:55:28,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-13 23:55:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:55:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-07-13 23:55:28,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-07-13 23:55:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:55:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:55:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:55:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-07-13 23:55:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-07-13 23:55:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-07-13 23:55:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-07-13 23:55:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-07-13 23:55:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-07-13 23:55:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-07-13 23:55:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-07-13 23:55:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-07-13 23:55:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-07-13 23:55:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-07-13 23:55:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-07-13 23:55:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-13 23:55:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-13 23:55:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-07-13 23:55:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-07-13 23:55:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-13 23:55:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-13 23:55:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-07-13 23:55:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-07-13 23:55:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-07-13 23:55:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-07-13 23:55:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-13 23:55:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-13 23:55:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-07-13 23:55:28,543 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-07-13 23:55:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-07-13 23:55:28,543 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-07-13 23:55:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-13 23:55:28,543 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-13 23:55:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-07-13 23:55:28,543 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-07-13 23:55:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:55:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-13 23:55:28,544 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-13 23:55:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-07-13 23:55:28,544 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-07-13 23:55:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-07-13 23:55:28,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-07-13 23:55:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-13 23:55:28,544 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-13 23:55:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:55:28,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:55:29,467 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:55:29,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:55:45,690 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:55:45,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:55:45,724 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2022-07-13 23:55:45,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:55:45 BoogieIcfgContainer [2022-07-13 23:55:45,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:55:45,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:55:45,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:55:45,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:55:45,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:55:24" (1/3) ... [2022-07-13 23:55:45,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540f780d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:55:45, skipping insertion in model container [2022-07-13 23:55:45,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:27" (2/3) ... [2022-07-13 23:55:45,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540f780d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:55:45, skipping insertion in model container [2022-07-13 23:55:45,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:55:45" (3/3) ... [2022-07-13 23:55:45,737 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-13 23:55:45,748 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:55:45,748 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:55:45,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:55:45,867 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@15c1533e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e921135 [2022-07-13 23:55:45,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:55:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 5143 states, 3686 states have (on average 1.4628323385784048) internal successors, (5392), 3807 states have internal predecessors, (5392), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) [2022-07-13 23:55:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-13 23:55:45,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:45,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:45,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:45,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:45,895 INFO L85 PathProgramCache]: Analyzing trace with hash -781481802, now seen corresponding path program 1 times [2022-07-13 23:55:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:45,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870944034] [2022-07-13 23:55:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:46,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:46,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870944034] [2022-07-13 23:55:46,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870944034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:46,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:46,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:46,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200008906] [2022-07-13 23:55:46,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:46,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:46,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:46,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:46,386 INFO L87 Difference]: Start difference. First operand has 5143 states, 3686 states have (on average 1.4628323385784048) internal successors, (5392), 3807 states have internal predecessors, (5392), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:46,883 INFO L93 Difference]: Finished difference Result 15183 states and 25058 transitions. [2022-07-13 23:55:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:46,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-13 23:55:46,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:46,968 INFO L225 Difference]: With dead ends: 15183 [2022-07-13 23:55:46,968 INFO L226 Difference]: Without dead ends: 10035 [2022-07-13 23:55:47,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:47,022 INFO L413 NwaCegarLoop]: 8819 mSDtfsCounter, 7382 mSDsluCounter, 7403 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 16222 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:47,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 16222 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2022-07-13 23:55:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 10031. [2022-07-13 23:55:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 7129 states have (on average 1.3119652125122738) internal successors, (9353), 7299 states have internal predecessors, (9353), 2721 states have call successors, (2721), 181 states have call predecessors, (2721), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-13 23:55:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14788 transitions. [2022-07-13 23:55:47,796 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14788 transitions. Word has length 16 [2022-07-13 23:55:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:47,796 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14788 transitions. [2022-07-13 23:55:47,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14788 transitions. [2022-07-13 23:55:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-13 23:55:47,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:47,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:47,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:55:47,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:47,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:47,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1083818242, now seen corresponding path program 1 times [2022-07-13 23:55:47,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:47,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968487253] [2022-07-13 23:55:47,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:47,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:48,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:48,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968487253] [2022-07-13 23:55:48,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968487253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:48,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:48,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:48,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066573017] [2022-07-13 23:55:48,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:48,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:48,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:48,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:48,018 INFO L87 Difference]: Start difference. First operand 10031 states and 14788 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:48,274 INFO L93 Difference]: Finished difference Result 10057 states and 14820 transitions. [2022-07-13 23:55:48,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:48,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-13 23:55:48,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:48,333 INFO L225 Difference]: With dead ends: 10057 [2022-07-13 23:55:48,334 INFO L226 Difference]: Without dead ends: 10044 [2022-07-13 23:55:48,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:48,346 INFO L413 NwaCegarLoop]: 7424 mSDtfsCounter, 7404 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7404 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:48,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7404 Valid, 7440 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:48,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10044 states. [2022-07-13 23:55:48,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10044 to 10031. [2022-07-13 23:55:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 7129 states have (on average 1.3118249403843456) internal successors, (9352), 7299 states have internal predecessors, (9352), 2721 states have call successors, (2721), 181 states have call predecessors, (2721), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-13 23:55:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14787 transitions. [2022-07-13 23:55:48,868 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14787 transitions. Word has length 19 [2022-07-13 23:55:48,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:48,869 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14787 transitions. [2022-07-13 23:55:48,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:48,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14787 transitions. [2022-07-13 23:55:48,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-13 23:55:48,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:48,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:48,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:55:48,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:48,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1026559940, now seen corresponding path program 1 times [2022-07-13 23:55:48,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:48,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230984866] [2022-07-13 23:55:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:48,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:49,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:49,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230984866] [2022-07-13 23:55:49,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230984866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:49,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:49,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:49,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867196971] [2022-07-13 23:55:49,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:49,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:49,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:49,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:49,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:49,072 INFO L87 Difference]: Start difference. First operand 10031 states and 14787 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:49,492 INFO L93 Difference]: Finished difference Result 10033 states and 14788 transitions. [2022-07-13 23:55:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:49,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-13 23:55:49,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:49,549 INFO L225 Difference]: With dead ends: 10033 [2022-07-13 23:55:49,549 INFO L226 Difference]: Without dead ends: 10030 [2022-07-13 23:55:49,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:49,561 INFO L413 NwaCegarLoop]: 7406 mSDtfsCounter, 7391 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7391 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:49,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7391 Valid, 7406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2022-07-13 23:55:49,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2022-07-13 23:55:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10030 states, 7129 states have (on average 1.3116846682564174) internal successors, (9351), 7298 states have internal predecessors, (9351), 2720 states have call successors, (2720), 181 states have call predecessors, (2720), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-13 23:55:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 14785 transitions. [2022-07-13 23:55:50,029 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 14785 transitions. Word has length 19 [2022-07-13 23:55:50,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:50,029 INFO L495 AbstractCegarLoop]: Abstraction has 10030 states and 14785 transitions. [2022-07-13 23:55:50,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 14785 transitions. [2022-07-13 23:55:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-13 23:55:50,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:50,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:50,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:55:50,032 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:50,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:50,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1760930420, now seen corresponding path program 1 times [2022-07-13 23:55:50,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:50,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795105480] [2022-07-13 23:55:50,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:50,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:50,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:50,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795105480] [2022-07-13 23:55:50,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795105480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:50,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:50,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:50,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108648877] [2022-07-13 23:55:50,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:50,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:50,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:50,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:50,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:50,223 INFO L87 Difference]: Start difference. First operand 10030 states and 14785 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:50,449 INFO L93 Difference]: Finished difference Result 10032 states and 14786 transitions. [2022-07-13 23:55:50,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:50,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-13 23:55:50,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:50,493 INFO L225 Difference]: With dead ends: 10032 [2022-07-13 23:55:50,493 INFO L226 Difference]: Without dead ends: 10029 [2022-07-13 23:55:50,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:50,509 INFO L413 NwaCegarLoop]: 7404 mSDtfsCounter, 7388 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7388 SdHoareTripleChecker+Valid, 7404 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:50,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7388 Valid, 7404 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2022-07-13 23:55:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 10029. [2022-07-13 23:55:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10029 states, 7129 states have (on average 1.3115443961284892) internal successors, (9350), 7297 states have internal predecessors, (9350), 2719 states have call successors, (2719), 181 states have call predecessors, (2719), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-13 23:55:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10029 states to 10029 states and 14783 transitions. [2022-07-13 23:55:51,057 INFO L78 Accepts]: Start accepts. Automaton has 10029 states and 14783 transitions. Word has length 20 [2022-07-13 23:55:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:51,057 INFO L495 AbstractCegarLoop]: Abstraction has 10029 states and 14783 transitions. [2022-07-13 23:55:51,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 10029 states and 14783 transitions. [2022-07-13 23:55:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-13 23:55:51,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:51,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:51,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:55:51,060 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1243393343, now seen corresponding path program 1 times [2022-07-13 23:55:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:51,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830487395] [2022-07-13 23:55:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:51,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:51,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830487395] [2022-07-13 23:55:51,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830487395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:51,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:51,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:51,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694869435] [2022-07-13 23:55:51,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:51,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:51,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:51,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:51,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:51,233 INFO L87 Difference]: Start difference. First operand 10029 states and 14783 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:51,453 INFO L93 Difference]: Finished difference Result 10031 states and 14784 transitions. [2022-07-13 23:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:51,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-07-13 23:55:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:51,498 INFO L225 Difference]: With dead ends: 10031 [2022-07-13 23:55:51,498 INFO L226 Difference]: Without dead ends: 10028 [2022-07-13 23:55:51,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:51,509 INFO L413 NwaCegarLoop]: 7402 mSDtfsCounter, 7385 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7385 SdHoareTripleChecker+Valid, 7402 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:51,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7385 Valid, 7402 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:51,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10028 states. [2022-07-13 23:55:52,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10028 to 10028. [2022-07-13 23:55:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 7129 states have (on average 1.3114041240005612) internal successors, (9349), 7296 states have internal predecessors, (9349), 2718 states have call successors, (2718), 181 states have call predecessors, (2718), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-13 23:55:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 14781 transitions. [2022-07-13 23:55:52,118 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 14781 transitions. Word has length 21 [2022-07-13 23:55:52,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:52,118 INFO L495 AbstractCegarLoop]: Abstraction has 10028 states and 14781 transitions. [2022-07-13 23:55:52,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 14781 transitions. [2022-07-13 23:55:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-13 23:55:52,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:52,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:52,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 23:55:52,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:52,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:52,120 INFO L85 PathProgramCache]: Analyzing trace with hash -111845649, now seen corresponding path program 1 times [2022-07-13 23:55:52,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:52,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696860125] [2022-07-13 23:55:52,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:52,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:52,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:52,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696860125] [2022-07-13 23:55:52,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696860125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:52,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:52,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:52,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184993585] [2022-07-13 23:55:52,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:52,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:52,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:52,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:52,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:52,277 INFO L87 Difference]: Start difference. First operand 10028 states and 14781 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:52,511 INFO L93 Difference]: Finished difference Result 10030 states and 14782 transitions. [2022-07-13 23:55:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:52,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-13 23:55:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:52,551 INFO L225 Difference]: With dead ends: 10030 [2022-07-13 23:55:52,551 INFO L226 Difference]: Without dead ends: 10027 [2022-07-13 23:55:52,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:52,560 INFO L413 NwaCegarLoop]: 7400 mSDtfsCounter, 7382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:52,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 7400 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:52,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2022-07-13 23:55:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 10027. [2022-07-13 23:55:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10027 states, 7129 states have (on average 1.311263851872633) internal successors, (9348), 7295 states have internal predecessors, (9348), 2717 states have call successors, (2717), 181 states have call predecessors, (2717), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-13 23:55:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10027 states to 10027 states and 14779 transitions. [2022-07-13 23:55:53,015 INFO L78 Accepts]: Start accepts. Automaton has 10027 states and 14779 transitions. Word has length 22 [2022-07-13 23:55:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:53,015 INFO L495 AbstractCegarLoop]: Abstraction has 10027 states and 14779 transitions. [2022-07-13 23:55:53,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 10027 states and 14779 transitions. [2022-07-13 23:55:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 23:55:53,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:53,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:53,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 23:55:53,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:53,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:53,018 INFO L85 PathProgramCache]: Analyzing trace with hash 825423426, now seen corresponding path program 1 times [2022-07-13 23:55:53,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:53,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186971705] [2022-07-13 23:55:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:55:53,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:53,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186971705] [2022-07-13 23:55:53,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186971705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:53,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:53,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:55:53,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279452876] [2022-07-13 23:55:53,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:53,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:55:53,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:53,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:55:53,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:53,170 INFO L87 Difference]: Start difference. First operand 10027 states and 14779 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:55:53,570 INFO L93 Difference]: Finished difference Result 16253 states and 23832 transitions. [2022-07-13 23:55:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:55:53,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-07-13 23:55:53,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:55:53,645 INFO L225 Difference]: With dead ends: 16253 [2022-07-13 23:55:53,646 INFO L226 Difference]: Without dead ends: 16241 [2022-07-13 23:55:53,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:55:53,659 INFO L413 NwaCegarLoop]: 8332 mSDtfsCounter, 7320 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7320 SdHoareTripleChecker+Valid, 12911 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:55:53,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7320 Valid, 12911 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:55:53,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16241 states. [2022-07-13 23:55:54,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16241 to 16241. [2022-07-13 23:55:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16241 states, 11341 states have (on average 1.29124415836346) internal successors, (14644), 11631 states have internal predecessors, (14644), 4587 states have call successors, (4587), 313 states have call predecessors, (4587), 312 states have return successors, (4586), 4532 states have call predecessors, (4586), 4586 states have call successors, (4586) [2022-07-13 23:55:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16241 states to 16241 states and 23817 transitions. [2022-07-13 23:55:55,061 INFO L78 Accepts]: Start accepts. Automaton has 16241 states and 23817 transitions. Word has length 23 [2022-07-13 23:55:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:55:55,063 INFO L495 AbstractCegarLoop]: Abstraction has 16241 states and 23817 transitions. [2022-07-13 23:55:55,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:55:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 16241 states and 23817 transitions. [2022-07-13 23:55:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2022-07-13 23:55:55,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:55:55,124 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:55:55,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 23:55:55,125 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:55:55,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:55:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1985306989, now seen corresponding path program 1 times [2022-07-13 23:55:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:55:55,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541191026] [2022-07-13 23:55:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:55:55,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:55:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:55:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 23:55:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:55:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:55:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:55:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 23:55:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 23:55:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-13 23:55:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-13 23:55:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-13 23:55:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 23:55:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-13 23:55:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-13 23:55:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:55:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:55:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:55:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-13 23:55:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-13 23:55:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-13 23:55:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-13 23:55:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-13 23:55:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:55:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:55:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:55:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:55:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:55:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:55:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:55:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-13 23:55:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:55:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:55:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:55:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:55:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:55:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:55:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:55:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-13 23:55:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:55:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:55:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:55:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:55:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:55:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:55:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:55:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-13 23:55:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:55:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:55:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:55:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:55:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:55:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:55:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:55:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-13 23:55:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-13 23:55:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-13 23:55:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-13 23:55:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-13 23:55:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-13 23:55:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-13 23:55:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-13 23:55:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-13 23:55:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-13 23:55:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-13 23:55:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-13 23:55:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-13 23:55:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-13 23:55:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-13 23:55:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-13 23:55:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-13 23:55:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-13 23:55:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-13 23:55:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-13 23:55:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-13 23:55:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2022-07-13 23:55:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-13 23:55:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-07-13 23:55:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:55:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:55:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:55:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-13 23:55:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-07-13 23:55:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-13 23:55:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:55:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:55:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:55:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-13 23:55:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:55:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:55:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:55:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-07-13 23:55:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-07-13 23:55:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-13 23:55:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2022-07-13 23:55:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:55:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-07-13 23:55:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-07-13 23:55:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2022-07-13 23:55:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2022-07-13 23:55:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:55:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2022-07-13 23:55:56,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:55:56,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541191026] [2022-07-13 23:55:56,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541191026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:55:56,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:55:56,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:55:56,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295502652] [2022-07-13 23:55:56,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:55:56,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:55:56,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:55:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:55:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:55:56,709 INFO L87 Difference]: Start difference. First operand 16241 states and 23817 transitions. Second operand has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-13 23:56:01,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:02,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:04,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:06,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:09,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:56:11,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:56:13,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:56:24,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:28,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:35,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:37,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:39,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:40,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:41,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:56:43,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:57:19,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:57:21,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:57:23,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:57:25,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:57:28,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:57:30,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:57:33,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:57:35,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:58:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:17,371 INFO L93 Difference]: Finished difference Result 50919 states and 78478 transitions. [2022-07-13 23:58:17,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-13 23:58:17,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 815 [2022-07-13 23:58:17,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:17,540 INFO L225 Difference]: With dead ends: 50919 [2022-07-13 23:58:17,540 INFO L226 Difference]: Without dead ends: 34681 [2022-07-13 23:58:17,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-07-13 23:58:17,606 INFO L413 NwaCegarLoop]: 8319 mSDtfsCounter, 14651 mSDsluCounter, 10441 mSDsCounter, 0 mSdLazyCounter, 37836 mSolverCounterSat, 14159 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14896 SdHoareTripleChecker+Valid, 18760 SdHoareTripleChecker+Invalid, 52009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14159 IncrementalHoareTripleChecker+Valid, 37836 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 137.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:58:17,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14896 Valid, 18760 Invalid, 52009 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14159 Valid, 37836 Invalid, 14 Unknown, 0 Unchecked, 137.0s Time] [2022-07-13 23:58:17,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34681 states. [2022-07-13 23:58:20,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34681 to 19073. [2022-07-13 23:58:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19073 states, 13511 states have (on average 1.307157131226408) internal successors, (17661), 13833 states have internal predecessors, (17661), 5161 states have call successors, (5161), 401 states have call predecessors, (5161), 400 states have return successors, (5160), 5100 states have call predecessors, (5160), 5160 states have call successors, (5160) [2022-07-13 23:58:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19073 states to 19073 states and 27982 transitions. [2022-07-13 23:58:20,298 INFO L78 Accepts]: Start accepts. Automaton has 19073 states and 27982 transitions. Word has length 815 [2022-07-13 23:58:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:20,298 INFO L495 AbstractCegarLoop]: Abstraction has 19073 states and 27982 transitions. [2022-07-13 23:58:20,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-13 23:58:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 19073 states and 27982 transitions. [2022-07-13 23:58:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-07-13 23:58:20,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:20,364 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:58:20,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 23:58:20,365 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:20,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1394582415, now seen corresponding path program 1 times [2022-07-13 23:58:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:58:20,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630725458] [2022-07-13 23:58:20,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:20,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:58:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:58:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:58:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:58:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 23:58:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 23:58:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-13 23:58:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:58:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 23:58:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:58:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-13 23:58:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 23:58:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-13 23:58:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-13 23:58:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:58:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:58:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:58:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-13 23:58:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-13 23:58:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-13 23:58:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-13 23:58:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-13 23:58:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:58:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:58:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:58:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:58:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:58:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:58:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:58:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-13 23:58:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:58:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:58:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:58:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:58:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:58:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:58:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:58:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-13 23:58:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:58:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:58:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:58:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:58:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:58:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:58:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:58:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-13 23:58:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 23:58:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:58:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:58:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:58:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:58:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:58:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 23:58:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-13 23:58:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-13 23:58:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-13 23:58:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-13 23:58:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-13 23:58:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-13 23:58:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-13 23:58:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-13 23:58:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-13 23:58:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-13 23:58:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-13 23:58:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-13 23:58:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-13 23:58:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-13 23:58:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-13 23:58:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-13 23:58:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-13 23:58:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-13 23:58:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-13 23:58:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-13 23:58:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-13 23:58:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-13 23:58:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-07-13 23:58:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-13 23:58:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:58:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:58:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:58:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-07-13 23:58:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-13 23:58:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-07-13 23:58:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:58:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:58:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:58:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-13 23:58:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:58:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:58:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:58:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-07-13 23:58:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-13 23:58:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-13 23:58:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-07-13 23:58:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:58:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2022-07-13 23:58:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-07-13 23:58:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-07-13 23:58:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-07-13 23:58:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3567 trivial. 0 not checked. [2022-07-13 23:58:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:58:21,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630725458] [2022-07-13 23:58:21,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630725458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:21,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:21,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:58:21,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052892654] [2022-07-13 23:58:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:21,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:58:21,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:58:21,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:58:21,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:58:21,634 INFO L87 Difference]: Start difference. First operand 19073 states and 27982 transitions. Second operand has 9 states, 9 states have (on average 37.888888888888886) internal successors, (341), 3 states have internal predecessors, (341), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-13 23:58:25,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:58:27,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:58:42,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:58:44,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:58:46,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:58:53,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:59:15,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:59:17,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:59:19,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:59:22,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:59:24,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:59:26,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []