./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:38:39,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:38:39,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:38:39,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:38:39,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:38:39,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:38:39,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:38:39,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:38:39,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:38:39,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:38:39,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:38:39,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:38:39,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:38:39,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:38:39,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:38:39,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:38:39,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:38:39,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:38:39,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:38:39,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:38:39,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:38:39,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:38:39,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:38:39,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:38:39,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:38:39,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:38:39,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:38:39,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:38:39,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:38:39,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:38:39,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:38:39,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:38:39,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:38:39,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:38:39,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:38:39,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:38:39,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:38:39,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:38:39,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:38:39,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:38:39,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:38:39,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:38:39,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:38:39,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:38:39,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:38:39,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:38:39,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:38:39,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:38:39,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:38:39,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:38:39,894 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:38:39,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:38:39,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:38:39,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:38:39,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:38:39,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:38:39,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:38:39,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:38:39,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:38:39,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:38:39,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:38:39,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:38:39,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:38:39,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:38:39,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:38:39,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:38:39,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:38:39,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:38:39,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:38:39,897 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:38:39,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:38:39,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:38:39,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:38:39,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2021-12-14 17:38:40,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:38:40,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:38:40,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:38:40,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:38:40,176 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:38:40,177 INFO L432 ainManager$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 [2021-12-14 17:38:40,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da59bbcf/e6ec862fb67047db9e2c6f2dff6c2130/FLAGc34e35e42 [2021-12-14 17:38:41,065 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:38:41,067 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 [2021-12-14 17:38:41,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da59bbcf/e6ec862fb67047db9e2c6f2dff6c2130/FLAGc34e35e42 [2021-12-14 17:38:41,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da59bbcf/e6ec862fb67047db9e2c6f2dff6c2130 [2021-12-14 17:38:41,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:38:41,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:38:41,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:38:41,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:38:41,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:38:41,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:38:41" (1/1) ... [2021-12-14 17:38:41,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1c4bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:41, skipping insertion in model container [2021-12-14 17:38:41,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:38:41" (1/1) ... [2021-12-14 17:38:41,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:38:41,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:38:44,469 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] [2021-12-14 17:38:44,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:38:44,663 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:38:45,089 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] [2021-12-14 17:38:45,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:38:45,350 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:38:45,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45 WrapperNode [2021-12-14 17:38:45,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:38:45,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:38:45,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:38:45,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:38:45,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:45,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:45,891 INFO L137 Inliner]: procedures = 348, calls = 6053, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 11844 [2021-12-14 17:38:45,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:38:45,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:38:45,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:38:45,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:38:45,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:45,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:45,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:45,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:46,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:46,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:46,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:46,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:38:46,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:38:46,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:38:46,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:38:46,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (1/1) ... [2021-12-14 17:38:46,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:38:46,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:38:46,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:38:46,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:38:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2021-12-14 17:38:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2021-12-14 17:38:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-12-14 17:38:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-12-14 17:38:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2021-12-14 17:38:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2021-12-14 17:38:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:38:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:38:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:38:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:38:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2021-12-14 17:38:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2021-12-14 17:38:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2021-12-14 17:38:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2021-12-14 17:38:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2021-12-14 17:38:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2021-12-14 17:38:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-12-14 17:38:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-12-14 17:38:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2021-12-14 17:38:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2021-12-14 17:38:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:38:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:38:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-14 17:38:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-14 17:38:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2021-12-14 17:38:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2021-12-14 17:38:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:38:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:38:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:38:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:38:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2021-12-14 17:38:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2021-12-14 17:38:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2021-12-14 17:38:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2021-12-14 17:38:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2021-12-14 17:38:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2021-12-14 17:38:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2021-12-14 17:38:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2021-12-14 17:38:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2021-12-14 17:38:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2021-12-14 17:38:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2021-12-14 17:38:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2021-12-14 17:38:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 17:38:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 17:38:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 17:38:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 17:38:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2021-12-14 17:38:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2021-12-14 17:38:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:38:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:38:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2021-12-14 17:38:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2021-12-14 17:38:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2021-12-14 17:38:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2021-12-14 17:38:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2021-12-14 17:38:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2021-12-14 17:38:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-14 17:38:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-14 17:38:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:38:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:38:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:38:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:38:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-14 17:38:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-14 17:38:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2021-12-14 17:38:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2021-12-14 17:38:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2021-12-14 17:38:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2021-12-14 17:38:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-14 17:38:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-14 17:38:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:38:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-14 17:38:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-14 17:38:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2021-12-14 17:38:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2021-12-14 17:38:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 17:38:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 17:38:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:38:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2021-12-14 17:38:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2021-12-14 17:38:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 17:38:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 17:38:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2021-12-14 17:38:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2021-12-14 17:38:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2021-12-14 17:38:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2021-12-14 17:38:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-12-14 17:38:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-12-14 17:38:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:38:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:38:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2021-12-14 17:38:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2021-12-14 17:38:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2021-12-14 17:38:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2021-12-14 17:38:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:38:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-14 17:38:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-14 17:38:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2021-12-14 17:38:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2021-12-14 17:38:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 17:38:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 17:38:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:38:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2021-12-14 17:38:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2021-12-14 17:38:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-14 17:38:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-14 17:38:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2021-12-14 17:38:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2021-12-14 17:38:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:38:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2021-12-14 17:38:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2021-12-14 17:38:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2021-12-14 17:38:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2021-12-14 17:38:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:38:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:38:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2021-12-14 17:38:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2021-12-14 17:38:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:38:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:38:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2021-12-14 17:38:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2021-12-14 17:38:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2021-12-14 17:38:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2021-12-14 17:38:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2021-12-14 17:38:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2021-12-14 17:38:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2021-12-14 17:38:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2021-12-14 17:38:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:38:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:38:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2021-12-14 17:38:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2021-12-14 17:38:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2021-12-14 17:38:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2021-12-14 17:38:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:38:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:38:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:38:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2021-12-14 17:38:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2021-12-14 17:38:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2021-12-14 17:38:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2021-12-14 17:38:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:38:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:38:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2021-12-14 17:38:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2021-12-14 17:38:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2021-12-14 17:38:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2021-12-14 17:38:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:38:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-14 17:38:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-14 17:38:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:38:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2021-12-14 17:38:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2021-12-14 17:38:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:38:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:38:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:38:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2021-12-14 17:38:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2021-12-14 17:38:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2021-12-14 17:38:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2021-12-14 17:38:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2021-12-14 17:38:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2021-12-14 17:38:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-14 17:38:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-14 17:38:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2021-12-14 17:38:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2021-12-14 17:38:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-14 17:38:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-14 17:38:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:38:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:38:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2021-12-14 17:38:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2021-12-14 17:38:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 17:38:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 17:38:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2021-12-14 17:38:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2021-12-14 17:38:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2021-12-14 17:38:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2021-12-14 17:38:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 17:38:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 17:38:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-14 17:38:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-14 17:38:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2021-12-14 17:38:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2021-12-14 17:38:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 17:38:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 17:38:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2021-12-14 17:38:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2021-12-14 17:38:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:38:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-14 17:38:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-14 17:38:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2021-12-14 17:38:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2021-12-14 17:38:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2021-12-14 17:38:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2021-12-14 17:38:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-14 17:38:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-14 17:38:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:38:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:38:47,703 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:38:47,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:39:06,677 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:39:06,712 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:39:06,712 INFO L301 CfgBuilder]: Removed 36 assume(true) statements. [2021-12-14 17:39:06,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:39:06 BoogieIcfgContainer [2021-12-14 17:39:06,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:39:06,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:39:06,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:39:06,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:39:06,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:38:41" (1/3) ... [2021-12-14 17:39:06,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d9050f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:39:06, skipping insertion in model container [2021-12-14 17:39:06,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:45" (2/3) ... [2021-12-14 17:39:06,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d9050f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:39:06, skipping insertion in model container [2021-12-14 17:39:06,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:39:06" (3/3) ... [2021-12-14 17:39:06,730 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2021-12-14 17:39:06,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:39:06,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:39:06,805 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:39:06,815 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:39:06,815 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:39:06,899 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) [2021-12-14 17:39:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-14 17:39:06,906 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:06,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:39:06,907 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:06,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1589680977, now seen corresponding path program 1 times [2021-12-14 17:39:06,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:06,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597128638] [2021-12-14 17:39:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:06,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:07,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:07,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597128638] [2021-12-14 17:39:07,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597128638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:07,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:07,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:07,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621921625] [2021-12-14 17:39:07,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:07,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:07,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:07,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:07,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:07,543 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) [2021-12-14 17:39:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:08,215 INFO L93 Difference]: Finished difference Result 12432 states and 18981 transitions. [2021-12-14 17:39:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:08,220 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 [2021-12-14 17:39:08,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:08,325 INFO L225 Difference]: With dead ends: 12432 [2021-12-14 17:39:08,325 INFO L226 Difference]: Without dead ends: 8201 [2021-12-14 17:39:08,380 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 [2021-12-14 17:39:08,384 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 [2021-12-14 17:39:08,385 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] [2021-12-14 17:39:08,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8201 states. [2021-12-14 17:39:09,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8201 to 8197. [2021-12-14 17:39:09,157 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) [2021-12-14 17:39:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12324 transitions. [2021-12-14 17:39:09,388 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12324 transitions. Word has length 16 [2021-12-14 17:39:09,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:09,389 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12324 transitions. [2021-12-14 17:39:09,390 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) [2021-12-14 17:39:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12324 transitions. [2021-12-14 17:39:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-14 17:39:09,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:09,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:39:09,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:39:09,399 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:09,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1480036438, now seen corresponding path program 1 times [2021-12-14 17:39:09,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:09,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103226136] [2021-12-14 17:39:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:09,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:09,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:09,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103226136] [2021-12-14 17:39:09,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103226136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:09,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:09,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:09,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393439119] [2021-12-14 17:39:09,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:09,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:09,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:09,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:09,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:09,667 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) [2021-12-14 17:39:09,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:09,963 INFO L93 Difference]: Finished difference Result 8223 states and 12356 transitions. [2021-12-14 17:39:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:09,963 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 [2021-12-14 17:39:09,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:10,034 INFO L225 Difference]: With dead ends: 8223 [2021-12-14 17:39:10,034 INFO L226 Difference]: Without dead ends: 8210 [2021-12-14 17:39:10,046 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 [2021-12-14 17:39:10,048 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, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:39:10,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6172 Valid, 6208 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 17:39:10,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8210 states. [2021-12-14 17:39:10,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8210 to 8197. [2021-12-14 17:39:10,557 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) [2021-12-14 17:39:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12323 transitions. [2021-12-14 17:39:10,634 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12323 transitions. Word has length 19 [2021-12-14 17:39:10,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:10,635 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12323 transitions. [2021-12-14 17:39:10,635 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) [2021-12-14 17:39:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12323 transitions. [2021-12-14 17:39:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-14 17:39:10,637 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:10,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:39:10,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:39:10,638 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:10,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:10,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1537294740, now seen corresponding path program 1 times [2021-12-14 17:39:10,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:10,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995525411] [2021-12-14 17:39:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:10,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:10,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:10,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995525411] [2021-12-14 17:39:10,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995525411] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:10,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:10,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:10,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285879751] [2021-12-14 17:39:10,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:10,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:10,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:10,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:10,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:10,851 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) [2021-12-14 17:39:11,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:11,342 INFO L93 Difference]: Finished difference Result 8199 states and 12324 transitions. [2021-12-14 17:39:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:11,343 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 [2021-12-14 17:39:11,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:11,407 INFO L225 Difference]: With dead ends: 8199 [2021-12-14 17:39:11,407 INFO L226 Difference]: Without dead ends: 8196 [2021-12-14 17:39:11,418 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 [2021-12-14 17:39:11,419 INFO L933 BasicCegarLoop]: 6174 mSDtfsCounter, 6159 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:39:11,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6159 Valid, 6174 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 17:39:11,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8196 states. [2021-12-14 17:39:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8196 to 8196. [2021-12-14 17:39:11,926 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) [2021-12-14 17:39:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 12321 transitions. [2021-12-14 17:39:11,991 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 12321 transitions. Word has length 19 [2021-12-14 17:39:11,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:11,992 INFO L470 AbstractCegarLoop]: Abstraction has 8196 states and 12321 transitions. [2021-12-14 17:39:11,993 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) [2021-12-14 17:39:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 12321 transitions. [2021-12-14 17:39:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-14 17:39:11,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:11,995 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] [2021-12-14 17:39:11,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:39:11,996 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:11,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:11,997 INFO L85 PathProgramCache]: Analyzing trace with hash 409038500, now seen corresponding path program 1 times [2021-12-14 17:39:11,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:11,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368115119] [2021-12-14 17:39:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:11,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:12,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:12,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368115119] [2021-12-14 17:39:12,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368115119] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:12,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:12,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:12,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197559813] [2021-12-14 17:39:12,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:12,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:12,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:12,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:12,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:12,218 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) [2021-12-14 17:39:12,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:12,607 INFO L93 Difference]: Finished difference Result 8198 states and 12322 transitions. [2021-12-14 17:39:12,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:12,608 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 [2021-12-14 17:39:12,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:12,666 INFO L225 Difference]: With dead ends: 8198 [2021-12-14 17:39:12,666 INFO L226 Difference]: Without dead ends: 8195 [2021-12-14 17:39:12,676 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 [2021-12-14 17:39:12,683 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 [2021-12-14 17:39:12,684 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] [2021-12-14 17:39:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8195 states. [2021-12-14 17:39:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 8195. [2021-12-14 17:39:13,279 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) [2021-12-14 17:39:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 12319 transitions. [2021-12-14 17:39:13,340 INFO L78 Accepts]: Start accepts. Automaton has 8195 states and 12319 transitions. Word has length 20 [2021-12-14 17:39:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:13,340 INFO L470 AbstractCegarLoop]: Abstraction has 8195 states and 12319 transitions. [2021-12-14 17:39:13,341 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) [2021-12-14 17:39:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 8195 states and 12319 transitions. [2021-12-14 17:39:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-14 17:39:13,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:13,343 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] [2021-12-14 17:39:13,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:39:13,343 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:13,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash -207161705, now seen corresponding path program 1 times [2021-12-14 17:39:13,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:13,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409095630] [2021-12-14 17:39:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:13,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:13,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:13,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409095630] [2021-12-14 17:39:13,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409095630] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:13,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:13,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:13,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407356396] [2021-12-14 17:39:13,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:13,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:13,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:13,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:13,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:13,588 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) [2021-12-14 17:39:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:13,950 INFO L93 Difference]: Finished difference Result 8197 states and 12320 transitions. [2021-12-14 17:39:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:13,953 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 [2021-12-14 17:39:13,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:14,093 INFO L225 Difference]: With dead ends: 8197 [2021-12-14 17:39:14,094 INFO L226 Difference]: Without dead ends: 8194 [2021-12-14 17:39:14,099 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 [2021-12-14 17:39:14,100 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 [2021-12-14 17:39:14,100 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] [2021-12-14 17:39:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8194 states. [2021-12-14 17:39:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8194 to 8194. [2021-12-14 17:39:14,614 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) [2021-12-14 17:39:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8194 states to 8194 states and 12317 transitions. [2021-12-14 17:39:14,677 INFO L78 Accepts]: Start accepts. Automaton has 8194 states and 12317 transitions. Word has length 21 [2021-12-14 17:39:14,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:14,678 INFO L470 AbstractCegarLoop]: Abstraction has 8194 states and 12317 transitions. [2021-12-14 17:39:14,678 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) [2021-12-14 17:39:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8194 states and 12317 transitions. [2021-12-14 17:39:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-14 17:39:14,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:14,679 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] [2021-12-14 17:39:14,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:39:14,680 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:14,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:14,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2129494009, now seen corresponding path program 1 times [2021-12-14 17:39:14,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:14,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516223413] [2021-12-14 17:39:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:14,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:14,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:14,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516223413] [2021-12-14 17:39:14,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516223413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:14,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:14,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:14,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855172069] [2021-12-14 17:39:14,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:14,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:14,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:14,889 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) [2021-12-14 17:39:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:15,206 INFO L93 Difference]: Finished difference Result 8196 states and 12318 transitions. [2021-12-14 17:39:15,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:15,207 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 [2021-12-14 17:39:15,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:15,257 INFO L225 Difference]: With dead ends: 8196 [2021-12-14 17:39:15,257 INFO L226 Difference]: Without dead ends: 8193 [2021-12-14 17:39:15,268 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 [2021-12-14 17:39:15,269 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 [2021-12-14 17:39:15,269 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] [2021-12-14 17:39:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states. [2021-12-14 17:39:15,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 8193. [2021-12-14 17:39:15,798 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) [2021-12-14 17:39:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8193 states to 8193 states and 12315 transitions. [2021-12-14 17:39:15,850 INFO L78 Accepts]: Start accepts. Automaton has 8193 states and 12315 transitions. Word has length 22 [2021-12-14 17:39:15,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:15,850 INFO L470 AbstractCegarLoop]: Abstraction has 8193 states and 12315 transitions. [2021-12-14 17:39:15,850 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) [2021-12-14 17:39:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 8193 states and 12315 transitions. [2021-12-14 17:39:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-14 17:39:15,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:15,852 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] [2021-12-14 17:39:15,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 17:39:15,853 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:15,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:15,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1592248422, now seen corresponding path program 1 times [2021-12-14 17:39:15,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:15,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652499966] [2021-12-14 17:39:15,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:15,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:16,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:16,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652499966] [2021-12-14 17:39:16,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652499966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:16,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:16,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:39:16,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526683087] [2021-12-14 17:39:16,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:16,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:39:16,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:16,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:39:16,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:39:16,065 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) [2021-12-14 17:39:16,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:39:16,631 INFO L93 Difference]: Finished difference Result 12967 states and 19432 transitions. [2021-12-14 17:39:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:39:16,632 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 [2021-12-14 17:39:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:39:16,724 INFO L225 Difference]: With dead ends: 12967 [2021-12-14 17:39:16,724 INFO L226 Difference]: Without dead ends: 12955 [2021-12-14 17:39:16,741 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 [2021-12-14 17:39:16,742 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 [2021-12-14 17:39:16,743 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] [2021-12-14 17:39:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12955 states. [2021-12-14 17:39:18,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12955 to 12955. [2021-12-14 17:39:18,153 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) [2021-12-14 17:39:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12955 states to 12955 states and 19417 transitions. [2021-12-14 17:39:18,227 INFO L78 Accepts]: Start accepts. Automaton has 12955 states and 19417 transitions. Word has length 23 [2021-12-14 17:39:18,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:39:18,227 INFO L470 AbstractCegarLoop]: Abstraction has 12955 states and 19417 transitions. [2021-12-14 17:39:18,228 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) [2021-12-14 17:39:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 12955 states and 19417 transitions. [2021-12-14 17:39:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-12-14 17:39:18,301 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:18,302 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] [2021-12-14 17:39:18,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 17:39:18,302 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:18,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1062257817, now seen corresponding path program 1 times [2021-12-14 17:39:18,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:18,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132004700] [2021-12-14 17:39:18,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:18,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:39:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 17:39:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 17:39:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:39:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:39:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:39:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:39:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 17:39:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 17:39:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-14 17:39:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:39:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-14 17:39:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 17:39:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:39:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:39:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:39:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 17:39:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-14 17:39:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-14 17:39:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 17:39:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 17:39:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:39:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:39:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 17:39:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 17:39:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:39:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 17:39:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-14 17:39:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-14 17:39:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:39:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:39:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 17:39:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 17:39:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:39:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 17:39:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-14 17:39:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-14 17:39:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:39:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:39:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 17:39:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 17:39:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:39:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 17:39:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-14 17:39:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-14 17:39:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:39:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:39:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 17:39:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 17:39:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:39:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 17:39:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-14 17:39:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-14 17:39:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-14 17:39:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-14 17:39:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-14 17:39:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-14 17:39:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-14 17:39:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-14 17:39:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-14 17:39:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-14 17:39:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-14 17:39:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-14 17:39:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-14 17:39:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-14 17:39:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-14 17:39:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-14 17:39:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-14 17:39:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-14 17:39:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-14 17:39:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-14 17:39:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-14 17:39:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-14 17:39:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2021-12-14 17:39:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-12-14 17:39:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-12-14 17:39:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:39:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:39:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:39:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-14 17:39:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2021-12-14 17:39:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-12-14 17:39:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:39:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:39:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:39:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2021-12-14 17:39:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:39:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:39:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:39:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-12-14 17:39:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2021-12-14 17:39:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2021-12-14 17:39:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 750 [2021-12-14 17:39:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:39:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-12-14 17:39:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2021-12-14 17:39:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-14 17:39:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-12-14 17:39:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2021-12-14 17:39:19,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:19,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132004700] [2021-12-14 17:39:19,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132004700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:19,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:19,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:39:19,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439306724] [2021-12-14 17:39:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:20,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:39:20,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:20,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:39:20,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:39:20,002 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) [2021-12-14 17:39:25,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []