./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-dev-ff03de6 [2021-12-21 16:06:25,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:06:25,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:06:25,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:06:25,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:06:25,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:06:25,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:06:25,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:06:25,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:06:25,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:06:25,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:06:25,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:06:25,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:06:25,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:06:25,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:06:25,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:06:25,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:06:25,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:06:25,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:06:25,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:06:25,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:06:25,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:06:25,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:06:25,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:06:25,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:06:25,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:06:25,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:06:25,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:06:25,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:06:25,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:06:25,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:06:25,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:06:25,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:06:25,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:06:25,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:06:25,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:06:25,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:06:25,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:06:25,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:06:25,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:06:25,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:06:25,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:06:25,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:06:25,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:06:25,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:06:25,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:06:25,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:06:25,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:06:25,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:06:25,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:06:25,473 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:06:25,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:06:25,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:06:25,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:06:25,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:06:25,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:06:25,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:06:25,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:06:25,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:06:25,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:06:25,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:06:25,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:06:25,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:06:25,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:06:25,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:06:25,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:06:25,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:06:25,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:06:25,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:06:25,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:06:25,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:06:25,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:06:25,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:06:25,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2021-12-21 16:06:25,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:06:25,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:06:25,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:06:25,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:06:25,703 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:06:25,704 INFO L432 ainManager$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 [2021-12-21 16:06:25,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb066d30/7f30402c940349c2b546f982db265a8e/FLAG775f04373 [2021-12-21 16:06:26,524 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:06:26,525 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 [2021-12-21 16:06:26,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb066d30/7f30402c940349c2b546f982db265a8e/FLAG775f04373 [2021-12-21 16:06:27,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb066d30/7f30402c940349c2b546f982db265a8e [2021-12-21 16:06:27,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:06:27,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:06:27,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:06:27,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:06:27,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:06:27,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:06:27" (1/1) ... [2021-12-21 16:06:27,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bb7d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:27, skipping insertion in model container [2021-12-21 16:06:27,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:06:27" (1/1) ... [2021-12-21 16:06:27,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:06:27,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:06:29,567 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] [2021-12-21 16:06:29,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:06:29,809 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:06:30,582 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] [2021-12-21 16:06:30,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:06:30,825 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:06:30,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30 WrapperNode [2021-12-21 16:06:30,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:06:30,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:06:30,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:06:30,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:06:30,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:31,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:31,808 INFO L137 Inliner]: procedures = 348, calls = 6053, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 11844 [2021-12-21 16:06:31,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:06:31,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:06:31,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:06:31,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:06:31,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:31,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:31,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:31,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:32,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:32,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:32,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:32,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:06:32,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:06:32,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:06:32,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:06:32,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (1/1) ... [2021-12-21 16:06:32,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:06:32,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:06:32,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:06:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2021-12-21 16:06:32,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:06:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2021-12-21 16:06:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-12-21 16:06:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-12-21 16:06:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2021-12-21 16:06:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2021-12-21 16:06:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:06:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:06:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:06:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:06:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2021-12-21 16:06:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2021-12-21 16:06:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2021-12-21 16:06:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2021-12-21 16:06:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2021-12-21 16:06:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2021-12-21 16:06:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-12-21 16:06:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-12-21 16:06:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2021-12-21 16:06:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2021-12-21 16:06:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:06:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:06:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-21 16:06:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-21 16:06:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2021-12-21 16:06:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2021-12-21 16:06:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:06:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:06:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:06:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:06:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2021-12-21 16:06:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2021-12-21 16:06:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2021-12-21 16:06:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2021-12-21 16:06:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2021-12-21 16:06:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2021-12-21 16:06:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2021-12-21 16:06:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2021-12-21 16:06:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2021-12-21 16:06:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2021-12-21 16:06:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2021-12-21 16:06:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2021-12-21 16:06:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:06:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:06:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:06:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:06:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2021-12-21 16:06:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2021-12-21 16:06:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:06:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:06:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2021-12-21 16:06:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2021-12-21 16:06:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2021-12-21 16:06:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2021-12-21 16:06:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2021-12-21 16:06:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2021-12-21 16:06:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-21 16:06:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-21 16:06:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:06:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:06:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:06:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:06:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-21 16:06:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-21 16:06:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2021-12-21 16:06:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2021-12-21 16:06:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2021-12-21 16:06:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2021-12-21 16:06:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-21 16:06:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-21 16:06:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:06:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-21 16:06:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-21 16:06:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2021-12-21 16:06:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2021-12-21 16:06:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 16:06:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 16:06:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:06:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2021-12-21 16:06:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2021-12-21 16:06:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 16:06:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 16:06:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2021-12-21 16:06:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2021-12-21 16:06:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2021-12-21 16:06:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2021-12-21 16:06:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-12-21 16:06:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-12-21 16:06:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:06:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:06:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2021-12-21 16:06:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2021-12-21 16:06:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2021-12-21 16:06:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2021-12-21 16:06:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:06:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-21 16:06:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-21 16:06:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2021-12-21 16:06:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2021-12-21 16:06:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-21 16:06:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-21 16:06:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:06:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2021-12-21 16:06:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2021-12-21 16:06:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-21 16:06:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-21 16:06:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2021-12-21 16:06:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2021-12-21 16:06:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:06:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2021-12-21 16:06:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2021-12-21 16:06:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2021-12-21 16:06:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2021-12-21 16:06:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:06:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:06:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2021-12-21 16:06:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2021-12-21 16:06:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:06:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:06:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2021-12-21 16:06:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2021-12-21 16:06:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2021-12-21 16:06:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2021-12-21 16:06:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2021-12-21 16:06:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2021-12-21 16:06:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2021-12-21 16:06:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2021-12-21 16:06:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:06:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:06:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2021-12-21 16:06:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2021-12-21 16:06:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2021-12-21 16:06:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2021-12-21 16:06:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:06:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:06:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:06:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2021-12-21 16:06:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2021-12-21 16:06:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2021-12-21 16:06:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2021-12-21 16:06:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:06:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:06:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2021-12-21 16:06:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2021-12-21 16:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2021-12-21 16:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2021-12-21 16:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-21 16:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-21 16:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2021-12-21 16:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2021-12-21 16:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:06:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2021-12-21 16:06:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2021-12-21 16:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2021-12-21 16:06:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2021-12-21 16:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2021-12-21 16:06:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2021-12-21 16:06:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-21 16:06:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-21 16:06:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2021-12-21 16:06:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2021-12-21 16:06:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-21 16:06:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-21 16:06:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:06:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:06:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2021-12-21 16:06:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2021-12-21 16:06:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:06:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:06:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2021-12-21 16:06:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2021-12-21 16:06:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2021-12-21 16:06:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2021-12-21 16:06:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:06:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:06:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-21 16:06:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-21 16:06:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2021-12-21 16:06:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2021-12-21 16:06:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:06:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:06:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2021-12-21 16:06:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2021-12-21 16:06:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:06:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-21 16:06:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-21 16:06:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2021-12-21 16:06:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2021-12-21 16:06:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2021-12-21 16:06:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2021-12-21 16:06:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-21 16:06:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-21 16:06:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:06:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:06:34,641 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:06:34,645 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:06:55,431 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:06:55,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:06:55,472 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-12-21 16:06:55,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:06:55 BoogieIcfgContainer [2021-12-21 16:06:55,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:06:55,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:06:55,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:06:55,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:06:55,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:06:27" (1/3) ... [2021-12-21 16:06:55,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e4c0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:06:55, skipping insertion in model container [2021-12-21 16:06:55,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:06:30" (2/3) ... [2021-12-21 16:06:55,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e4c0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:06:55, skipping insertion in model container [2021-12-21 16:06:55,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:06:55" (3/3) ... [2021-12-21 16:06:55,487 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2021-12-21 16:06:55,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:06:55,493 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:06:55,559 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:06:55,564 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:06:55,565 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:06:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 4226 states, 2769 states have (on average 1.3040808956301915) internal successors, (3611), 2890 states have internal predecessors, (3611), 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) [2021-12-21 16:06:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-21 16:06:55,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:06:55,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:06:55,661 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:06:55,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:06:55,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1589680977, now seen corresponding path program 1 times [2021-12-21 16:06:55,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:06:55,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880580686] [2021-12-21 16:06:55,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:06:55,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:06:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:06:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:06:56,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:06:56,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880580686] [2021-12-21 16:06:56,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880580686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:06:56,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:06:56,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:06:56,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162240840] [2021-12-21 16:06:56,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:06:56,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:06:56,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:06:56,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:06:56,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:06:56,406 INFO L87 Difference]: Start difference. First operand has 4226 states, 2769 states have (on average 1.3040808956301915) internal successors, (3611), 2890 states have internal predecessors, (3611), 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) [2021-12-21 16:06:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:06:57,200 INFO L93 Difference]: Finished difference Result 12432 states and 18981 transitions. [2021-12-21 16:06:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:06:57,206 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 [2021-12-21 16:06:57,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:06:57,301 INFO L225 Difference]: With dead ends: 12432 [2021-12-21 16:06:57,302 INFO L226 Difference]: Without dead ends: 8201 [2021-12-21 16:06:57,352 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:06:57,359 INFO L933 BasicCegarLoop]: 7722 mSDtfsCounter, 6150 mSDsluCounter, 6171 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6150 SdHoareTripleChecker+Valid, 13893 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:06:57,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6150 Valid, 13893 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:06:57,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8201 states. [2021-12-21 16:06:58,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8201 to 8197. [2021-12-21 16:06:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8197 states, 5295 states have (on average 1.301038715769594) internal successors, (6889), 5465 states have internal predecessors, (6889), 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) [2021-12-21 16:06:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12324 transitions. [2021-12-21 16:06:58,472 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12324 transitions. Word has length 16 [2021-12-21 16:06:58,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:06:58,473 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12324 transitions. [2021-12-21 16:06:58,473 INFO L471 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) [2021-12-21 16:06:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12324 transitions. [2021-12-21 16:06:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-21 16:06:58,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:06:58,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:06:58,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:06:58,483 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:06:58,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:06:58,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1480036438, now seen corresponding path program 1 times [2021-12-21 16:06:58,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:06:58,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395691191] [2021-12-21 16:06:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:06:58,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:06:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:06:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:06:58,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:06:58,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395691191] [2021-12-21 16:06:58,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395691191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:06:58,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:06:58,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:06:58,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98673413] [2021-12-21 16:06:58,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:06:58,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:06:58,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:06:58,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:06:58,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:06:58,886 INFO L87 Difference]: Start difference. First operand 8197 states and 12324 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) [2021-12-21 16:06:59,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:06:59,480 INFO L93 Difference]: Finished difference Result 8223 states and 12356 transitions. [2021-12-21 16:06:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:06:59,480 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 [2021-12-21 16:06:59,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:06:59,618 INFO L225 Difference]: With dead ends: 8223 [2021-12-21 16:06:59,618 INFO L226 Difference]: Without dead ends: 8210 [2021-12-21 16:06:59,646 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:06:59,649 INFO L933 BasicCegarLoop]: 6192 mSDtfsCounter, 6172 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 6208 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:06:59,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6172 Valid, 6208 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 16:06:59,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8210 states. [2021-12-21 16:07:00,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8210 to 8197. [2021-12-21 16:07:00,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8197 states, 5295 states have (on average 1.3008498583569406) internal successors, (6888), 5465 states have internal predecessors, (6888), 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) [2021-12-21 16:07:00,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12323 transitions. [2021-12-21 16:07:00,537 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12323 transitions. Word has length 19 [2021-12-21 16:07:00,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:07:00,538 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12323 transitions. [2021-12-21 16:07:00,538 INFO L471 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) [2021-12-21 16:07:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12323 transitions. [2021-12-21 16:07:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-21 16:07:00,540 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:07:00,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:07:00,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:07:00,541 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:07:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:07:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1537294740, now seen corresponding path program 1 times [2021-12-21 16:07:00,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:07:00,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938987758] [2021-12-21 16:07:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:07:00,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:07:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:07:00,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:07:00,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938987758] [2021-12-21 16:07:00,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938987758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:07:00,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:07:00,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:07:00,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239198229] [2021-12-21 16:07:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:07:00,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:07:00,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:07:00,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:07:00,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:07:00,864 INFO L87 Difference]: Start difference. First operand 8197 states and 12323 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) [2021-12-21 16:07:01,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:07:01,186 INFO L93 Difference]: Finished difference Result 8199 states and 12324 transitions. [2021-12-21 16:07:01,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:07:01,187 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 [2021-12-21 16:07:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:07:01,262 INFO L225 Difference]: With dead ends: 8199 [2021-12-21 16:07:01,263 INFO L226 Difference]: Without dead ends: 8196 [2021-12-21 16:07:01,275 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:07:01,276 INFO L933 BasicCegarLoop]: 6174 mSDtfsCounter, 6159 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6159 SdHoareTripleChecker+Valid, 6174 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 [2021-12-21 16:07:01,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6159 Valid, 6174 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:07:01,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8196 states. [2021-12-21 16:07:01,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8196 to 8196. [2021-12-21 16:07:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8196 states, 5295 states have (on average 1.3006610009442872) internal successors, (6887), 5464 states have internal predecessors, (6887), 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) [2021-12-21 16:07:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 12321 transitions. [2021-12-21 16:07:01,944 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 12321 transitions. Word has length 19 [2021-12-21 16:07:01,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:07:01,945 INFO L470 AbstractCegarLoop]: Abstraction has 8196 states and 12321 transitions. [2021-12-21 16:07:01,945 INFO L471 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) [2021-12-21 16:07:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 12321 transitions. [2021-12-21 16:07:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-21 16:07:01,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:07:01,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:07:01,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:07:01,948 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:07:01,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:07:01,948 INFO L85 PathProgramCache]: Analyzing trace with hash 409038500, now seen corresponding path program 1 times [2021-12-21 16:07:01,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:07:01,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478091613] [2021-12-21 16:07:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:07:01,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:07:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:07:02,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:07:02,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478091613] [2021-12-21 16:07:02,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478091613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:07:02,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:07:02,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:07:02,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810099927] [2021-12-21 16:07:02,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:07:02,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:07:02,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:07:02,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:07:02,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:07:02,177 INFO L87 Difference]: Start difference. First operand 8196 states and 12321 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) [2021-12-21 16:07:02,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:07:02,508 INFO L93 Difference]: Finished difference Result 8198 states and 12322 transitions. [2021-12-21 16:07:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:07:02,509 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 [2021-12-21 16:07:02,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:07:02,609 INFO L225 Difference]: With dead ends: 8198 [2021-12-21 16:07:02,609 INFO L226 Difference]: Without dead ends: 8195 [2021-12-21 16:07:02,621 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:07:02,628 INFO L933 BasicCegarLoop]: 6172 mSDtfsCounter, 6156 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 6172 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 [2021-12-21 16:07:02,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6156 Valid, 6172 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:07:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8195 states. [2021-12-21 16:07:03,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 8195. [2021-12-21 16:07:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8195 states, 5295 states have (on average 1.3004721435316335) internal successors, (6886), 5463 states have internal predecessors, (6886), 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) [2021-12-21 16:07:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 12319 transitions. [2021-12-21 16:07:03,956 INFO L78 Accepts]: Start accepts. Automaton has 8195 states and 12319 transitions. Word has length 20 [2021-12-21 16:07:03,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:07:03,957 INFO L470 AbstractCegarLoop]: Abstraction has 8195 states and 12319 transitions. [2021-12-21 16:07:03,957 INFO L471 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) [2021-12-21 16:07:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8195 states and 12319 transitions. [2021-12-21 16:07:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-21 16:07:03,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:07:03,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:07:03,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:07:03,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:07:03,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:07:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash -207161705, now seen corresponding path program 1 times [2021-12-21 16:07:03,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:07:03,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927125868] [2021-12-21 16:07:03,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:07:03,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:07:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:07:04,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:07:04,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927125868] [2021-12-21 16:07:04,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927125868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:07:04,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:07:04,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:07:04,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645348134] [2021-12-21 16:07:04,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:07:04,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:07:04,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:07:04,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:07:04,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:07:04,247 INFO L87 Difference]: Start difference. First operand 8195 states and 12319 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) [2021-12-21 16:07:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:07:04,566 INFO L93 Difference]: Finished difference Result 8197 states and 12320 transitions. [2021-12-21 16:07:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:07:04,567 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 [2021-12-21 16:07:04,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:07:04,623 INFO L225 Difference]: With dead ends: 8197 [2021-12-21 16:07:04,624 INFO L226 Difference]: Without dead ends: 8194 [2021-12-21 16:07:04,635 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:07:04,636 INFO L933 BasicCegarLoop]: 6170 mSDtfsCounter, 6153 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6153 SdHoareTripleChecker+Valid, 6170 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 [2021-12-21 16:07:04,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6153 Valid, 6170 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:07:04,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8194 states. [2021-12-21 16:07:05,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8194 to 8194. [2021-12-21 16:07:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8194 states, 5295 states have (on average 1.3002832861189801) internal successors, (6885), 5462 states have internal predecessors, (6885), 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) [2021-12-21 16:07:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8194 states to 8194 states and 12317 transitions. [2021-12-21 16:07:05,369 INFO L78 Accepts]: Start accepts. Automaton has 8194 states and 12317 transitions. Word has length 21 [2021-12-21 16:07:05,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:07:05,369 INFO L470 AbstractCegarLoop]: Abstraction has 8194 states and 12317 transitions. [2021-12-21 16:07:05,370 INFO L471 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) [2021-12-21 16:07:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 8194 states and 12317 transitions. [2021-12-21 16:07:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-21 16:07:05,371 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:07:05,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:07:05,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 16:07:05,372 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:07:05,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:07:05,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2129494009, now seen corresponding path program 1 times [2021-12-21 16:07:05,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:07:05,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079722878] [2021-12-21 16:07:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:07:05,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:07:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:07:05,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:07:05,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079722878] [2021-12-21 16:07:05,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079722878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:07:05,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:07:05,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:07:05,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837138212] [2021-12-21 16:07:05,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:07:05,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:07:05,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:07:05,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:07:05,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:07:05,595 INFO L87 Difference]: Start difference. First operand 8194 states and 12317 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) [2021-12-21 16:07:05,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:07:05,984 INFO L93 Difference]: Finished difference Result 8196 states and 12318 transitions. [2021-12-21 16:07:05,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:07:05,985 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 [2021-12-21 16:07:05,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:07:06,046 INFO L225 Difference]: With dead ends: 8196 [2021-12-21 16:07:06,047 INFO L226 Difference]: Without dead ends: 8193 [2021-12-21 16:07:06,058 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:07:06,060 INFO L933 BasicCegarLoop]: 6168 mSDtfsCounter, 6150 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6150 SdHoareTripleChecker+Valid, 6168 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 [2021-12-21 16:07:06,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6150 Valid, 6168 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:07:06,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states. [2021-12-21 16:07:06,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 8193. [2021-12-21 16:07:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8193 states, 5295 states have (on average 1.3000944287063267) internal successors, (6884), 5461 states have internal predecessors, (6884), 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) [2021-12-21 16:07:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8193 states to 8193 states and 12315 transitions. [2021-12-21 16:07:06,805 INFO L78 Accepts]: Start accepts. Automaton has 8193 states and 12315 transitions. Word has length 22 [2021-12-21 16:07:06,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:07:06,805 INFO L470 AbstractCegarLoop]: Abstraction has 8193 states and 12315 transitions. [2021-12-21 16:07:06,806 INFO L471 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) [2021-12-21 16:07:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 8193 states and 12315 transitions. [2021-12-21 16:07:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 16:07:06,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:07:06,808 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:07:06,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 16:07:06,808 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:07:06,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:07:06,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1592248422, now seen corresponding path program 1 times [2021-12-21 16:07:06,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:07:06,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198153709] [2021-12-21 16:07:06,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:07:06,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:07:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:07:07,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:07:07,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198153709] [2021-12-21 16:07:07,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198153709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:07:07,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:07:07,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:07:07,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532934034] [2021-12-21 16:07:07,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:07:07,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:07:07,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:07:07,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:07:07,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:07:07,031 INFO L87 Difference]: Start difference. First operand 8193 states and 12315 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) [2021-12-21 16:07:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:07:07,603 INFO L93 Difference]: Finished difference Result 12967 states and 19432 transitions. [2021-12-21 16:07:07,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:07:07,604 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 [2021-12-21 16:07:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:07:07,685 INFO L225 Difference]: With dead ends: 12967 [2021-12-21 16:07:07,685 INFO L226 Difference]: Without dead ends: 12955 [2021-12-21 16:07:07,697 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:07:07,698 INFO L933 BasicCegarLoop]: 7100 mSDtfsCounter, 6088 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6088 SdHoareTripleChecker+Valid, 10711 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 [2021-12-21 16:07:07,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6088 Valid, 10711 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:07:07,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12955 states. [2021-12-21 16:07:09,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12955 to 12955. [2021-12-21 16:07:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12955 states, 8055 states have (on average 1.2717566728739913) internal successors, (10244), 8345 states have internal predecessors, (10244), 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) [2021-12-21 16:07:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12955 states to 12955 states and 19417 transitions. [2021-12-21 16:07:09,359 INFO L78 Accepts]: Start accepts. Automaton has 12955 states and 19417 transitions. Word has length 23 [2021-12-21 16:07:09,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:07:09,360 INFO L470 AbstractCegarLoop]: Abstraction has 12955 states and 19417 transitions. [2021-12-21 16:07:09,361 INFO L471 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) [2021-12-21 16:07:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 12955 states and 19417 transitions. [2021-12-21 16:07:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-12-21 16:07:09,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:07:09,445 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-21 16:07:09,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 16:07:09,446 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:07:09,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:07:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1062257817, now seen corresponding path program 1 times [2021-12-21 16:07:09,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:07:09,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134372026] [2021-12-21 16:07:09,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:07:09,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:07:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:07:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 16:07:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 16:07:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 16:07:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:07:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:07:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:07:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 16:07:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:07:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 16:07:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:07:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-21 16:07:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:07:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:07:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:07:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:07:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:07:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 16:07:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-21 16:07:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 16:07:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-21 16:07:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:07:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:07:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:07:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:07:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:07:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 16:07:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 16:07:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-21 16:07:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:07:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:07:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:07:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:07:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:07:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 16:07:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 16:07:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-21 16:07:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:07:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:07:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:07:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:07:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:07:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 16:07:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 16:07:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-21 16:07:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:07:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:07:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:07:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:07:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:07:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 16:07:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 16:07:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-21 16:07:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-21 16:07:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-21 16:07:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-21 16:07:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-21 16:07:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-21 16:07:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-21 16:07:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-21 16:07:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-21 16:07:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-21 16:07:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-21 16:07:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-21 16:07:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-21 16:07:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-21 16:07:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-21 16:07:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-21 16:07:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-21 16:07:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-21 16:07:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-21 16:07:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-21 16:07:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-21 16:07:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2021-12-21 16:07:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-12-21 16:07:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-12-21 16:07:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:07:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:07:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:07:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-21 16:07:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2021-12-21 16:07:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-12-21 16:07:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:07:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:07:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:07:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2021-12-21 16:07:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:07:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:07:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:07:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-12-21 16:07:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2021-12-21 16:07:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2021-12-21 16:07:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 750 [2021-12-21 16:07:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:07:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-12-21 16:07:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2021-12-21 16:07:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-21 16:07:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-12-21 16:07:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:07:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2021-12-21 16:07:11,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:07:11,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134372026] [2021-12-21 16:07:11,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134372026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:07:11,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:07:11,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 16:07:11,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052359785] [2021-12-21 16:07:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:07:11,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 16:07:11,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:07:11,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 16:07:11,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:07:11,498 INFO L87 Difference]: Start difference. First operand 12955 states and 19417 transitions. Second operand has 8 states, 8 states have (on average 43.25) internal successors, (346), 4 states have internal predecessors, (346), 3 states have call successors, (80), 6 states have call predecessors, (80), 2 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2021-12-21 16:07:19,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:07:22,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []