./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.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 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 12:44:43,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 12:44:43,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 12:44:43,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 12:44:43,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 12:44:43,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 12:44:43,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 12:44:43,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 12:44:43,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 12:44:43,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 12:44:43,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 12:44:43,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 12:44:43,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 12:44:43,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 12:44:43,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 12:44:43,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 12:44:43,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 12:44:43,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 12:44:43,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 12:44:43,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 12:44:43,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 12:44:43,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 12:44:43,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 12:44:43,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 12:44:43,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 12:44:43,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 12:44:43,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 12:44:43,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 12:44:43,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 12:44:43,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 12:44:43,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 12:44:43,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 12:44:43,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 12:44:43,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 12:44:43,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 12:44:43,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 12:44:43,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 12:44:43,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 12:44:43,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 12:44:43,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 12:44:43,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 12:44:43,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 12:44:43,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 12:44:43,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 12:44:43,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 12:44:43,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 12:44:43,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 12:44:43,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 12:44:43,764 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 12:44:43,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 12:44:43,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 12:44:43,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 12:44:43,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 12:44:43,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 12:44:43,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 12:44:43,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 12:44:43,765 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 12:44:43,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 12:44:43,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 12:44:43,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 12:44:43,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 12:44:43,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 12:44:43,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 12:44:43,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 12:44:43,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 12:44:43,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 12:44:43,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 12:44:43,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 12:44:43,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 12:44:43,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 12:44:43,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 12:44:43,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-06 12:44:43,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 12:44:43,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 12:44:43,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 12:44:43,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 12:44:43,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 12:44:43,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-06 12:44:43,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca0daca8/781ceaa7c37743fda7218f36df1aa96b/FLAG9585f0466 [2021-11-06 12:44:44,744 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 12:44:44,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-06 12:44:44,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca0daca8/781ceaa7c37743fda7218f36df1aa96b/FLAG9585f0466 [2021-11-06 12:44:45,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca0daca8/781ceaa7c37743fda7218f36df1aa96b [2021-11-06 12:44:45,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 12:44:45,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 12:44:45,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 12:44:45,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 12:44:45,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 12:44:45,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:44:45" (1/1) ... [2021-11-06 12:44:45,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b46ee2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:45, skipping insertion in model container [2021-11-06 12:44:45,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:44:45" (1/1) ... [2021-11-06 12:44:45,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 12:44:45,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 12:44:53,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-06 12:44:54,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 12:44:54,456 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 12:44:55,024 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-06 12:44:55,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 12:44:55,427 INFO L208 MainTranslator]: Completed translation [2021-11-06 12:44:55,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55 WrapperNode [2021-11-06 12:44:55,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 12:44:55,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 12:44:55,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 12:44:55,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 12:44:55,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:55,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:56,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 12:44:56,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 12:44:56,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 12:44:56,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 12:44:56,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:56,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:56,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:56,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:57,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:57,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:57,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:57,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 12:44:57,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 12:44:57,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 12:44:57,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 12:44:57,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (1/1) ... [2021-11-06 12:44:57,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 12:44:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 12:44:57,904 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) [2021-11-06 12:44:57,934 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 [2021-11-06 12:44:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-06 12:44:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-06 12:44:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-06 12:44:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-06 12:44:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-06 12:44:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-06 12:44:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-06 12:44:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-06 12:44:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-06 12:44:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-06 12:44:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-06 12:44:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-06 12:44:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-06 12:44:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-06 12:44:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-06 12:44:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-06 12:44:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-06 12:44:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 12:44:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-06 12:44:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-06 12:44:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-06 12:44:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-06 12:44:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-06 12:44:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-06 12:44:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-06 12:44:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-06 12:44:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 12:44:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-06 12:44:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-06 12:44:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-06 12:44:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-06 12:44:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-06 12:44:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-06 12:44:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 12:44:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 12:44:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-06 12:44:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-06 12:44:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-06 12:44:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-06 12:44:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-06 12:44:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-06 12:44:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-06 12:44:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-06 12:44:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 12:44:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 12:44:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-06 12:44:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-06 12:44:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-06 12:44:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-06 12:44:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 12:44:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-06 12:44:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-06 12:44:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-06 12:44:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-06 12:44:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-06 12:44:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-06 12:44:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 12:44:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-06 12:44:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 12:44:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-06 12:44:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-06 12:44:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-06 12:44:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-06 12:44:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-06 12:44:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-06 12:44:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-06 12:44:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-06 12:44:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-06 12:44:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 12:44:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-06 12:44:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-06 12:44:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-06 12:44:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-06 12:44:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-06 12:44:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-06 12:44:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-06 12:44:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-06 12:44:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-06 12:44:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-06 12:44:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-06 12:44:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-06 12:44:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-06 12:44:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-06 12:44:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-06 12:44:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-06 12:44:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-06 12:44:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-06 12:44:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-06 12:44:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-06 12:44:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-06 12:44:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-06 12:44:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 12:44:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-06 12:44:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-06 12:44:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 12:44:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 12:44:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-06 12:44:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-06 12:44:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-06 12:44:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-06 12:44:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-06 12:44:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-06 12:44:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-06 12:44:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-06 12:44:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-06 12:44:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-06 12:44:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-06 12:44:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-06 12:44:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 12:44:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 12:44:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 12:44:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 12:44:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-06 12:44:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-06 12:44:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-06 12:44:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-06 12:44:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-06 12:44:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-06 12:44:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-06 12:44:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-06 12:44:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-06 12:44:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-06 12:44:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-06 12:44:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-06 12:44:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-06 12:44:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 12:44:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-06 12:44:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-06 12:44:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-06 12:44:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-06 12:44:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-06 12:44:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-06 12:44:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-06 12:44:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-06 12:44:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-06 12:44:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-06 12:44:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-06 12:44:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-06 12:44:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-06 12:44:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-06 12:44:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-06 12:44:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-06 12:44:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-06 12:44:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-06 12:44:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 12:44:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-06 12:44:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-06 12:44:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-06 12:44:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-06 12:44:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-06 12:44:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-06 12:44:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-06 12:44:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-06 12:44:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-06 12:44:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-06 12:44:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-06 12:44:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-06 12:44:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-06 12:44:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-06 12:44:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-06 12:44:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-06 12:44:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-06 12:44:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-06 12:44:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-06 12:44:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-06 12:44:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-06 12:44:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-06 12:44:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-06 12:44:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-06 12:44:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-06 12:44:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 12:48:06,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 12:48:06,068 INFO L299 CfgBuilder]: Removed 9608 assume(true) statements. [2021-11-06 12:48:06,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:48:06 BoogieIcfgContainer [2021-11-06 12:48:06,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 12:48:06,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 12:48:06,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 12:48:06,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 12:48:06,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:44:45" (1/3) ... [2021-11-06 12:48:06,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52971a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:48:06, skipping insertion in model container [2021-11-06 12:48:06,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:44:55" (2/3) ... [2021-11-06 12:48:06,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52971a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:48:06, skipping insertion in model container [2021-11-06 12:48:06,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:48:06" (3/3) ... [2021-11-06 12:48:06,085 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-06 12:48:06,089 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 12:48:06,090 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 264 error locations. [2021-11-06 12:48:06,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 12:48:06,151 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 [2021-11-06 12:48:06,152 INFO L340 AbstractCegarLoop]: Starting to check reachability of 264 error locations. [2021-11-06 12:48:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 8681 states, 8204 states have (on average 1.3464163822525597) internal successors, (11046), 8504 states have internal predecessors, (11046), 137 states have call successors, (137), 75 states have call predecessors, (137), 75 states have return successors, (137), 115 states have call predecessors, (137), 137 states have call successors, (137) [2021-11-06 12:48:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-06 12:48:06,250 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:06,251 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-06 12:48:06,252 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:06,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:06,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1815356490, now seen corresponding path program 1 times [2021-11-06 12:48:06,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:06,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874291199] [2021-11-06 12:48:06,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:06,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:07,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:07,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874291199] [2021-11-06 12:48:07,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874291199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:07,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:07,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:07,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78590813] [2021-11-06 12:48:07,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:07,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:07,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:07,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:07,139 INFO L87 Difference]: Start difference. First operand has 8681 states, 8204 states have (on average 1.3464163822525597) internal successors, (11046), 8504 states have internal predecessors, (11046), 137 states have call successors, (137), 75 states have call predecessors, (137), 75 states have return successors, (137), 115 states have call predecessors, (137), 137 states have call successors, (137) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:09,954 INFO L93 Difference]: Finished difference Result 24841 states and 32769 transitions. [2021-11-06 12:48:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:09,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-06 12:48:09,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:10,035 INFO L225 Difference]: With dead ends: 24841 [2021-11-06 12:48:10,035 INFO L226 Difference]: Without dead ends: 16009 [2021-11-06 12:48:10,099 INFO L786 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 [2021-11-06 12:48:10,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16009 states. [2021-11-06 12:48:10,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16009 to 15579. [2021-11-06 12:48:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15579 states, 14904 states have (on average 1.3071658615136876) internal successors, (19482), 15231 states have internal predecessors, (19482), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-06 12:48:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15579 states to 15579 states and 20137 transitions. [2021-11-06 12:48:10,542 INFO L78 Accepts]: Start accepts. Automaton has 15579 states and 20137 transitions. Word has length 6 [2021-11-06 12:48:10,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:10,542 INFO L470 AbstractCegarLoop]: Abstraction has 15579 states and 20137 transitions. [2021-11-06 12:48:10,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 15579 states and 20137 transitions. [2021-11-06 12:48:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-06 12:48:10,543 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:10,544 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:10,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 12:48:10,544 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:10,546 INFO L85 PathProgramCache]: Analyzing trace with hash 441500171, now seen corresponding path program 1 times [2021-11-06 12:48:10,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:10,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767531984] [2021-11-06 12:48:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:10,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:10,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:10,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767531984] [2021-11-06 12:48:10,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767531984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:10,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:10,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:10,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568163133] [2021-11-06 12:48:10,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:10,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:10,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:10,977 INFO L87 Difference]: Start difference. First operand 15579 states and 20137 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:13,675 INFO L93 Difference]: Finished difference Result 15579 states and 20137 transitions. [2021-11-06 12:48:13,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-06 12:48:13,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:13,738 INFO L225 Difference]: With dead ends: 15579 [2021-11-06 12:48:13,739 INFO L226 Difference]: Without dead ends: 15577 [2021-11-06 12:48:13,747 INFO L786 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 [2021-11-06 12:48:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15577 states. [2021-11-06 12:48:14,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15577 to 15577. [2021-11-06 12:48:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15577 states, 14903 states have (on average 1.307119371938536) internal successors, (19480), 15229 states have internal predecessors, (19480), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-06 12:48:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15577 states to 15577 states and 20135 transitions. [2021-11-06 12:48:14,101 INFO L78 Accepts]: Start accepts. Automaton has 15577 states and 20135 transitions. Word has length 7 [2021-11-06 12:48:14,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:14,102 INFO L470 AbstractCegarLoop]: Abstraction has 15577 states and 20135 transitions. [2021-11-06 12:48:14,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 15577 states and 20135 transitions. [2021-11-06 12:48:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-06 12:48:14,103 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:14,103 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:14,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 12:48:14,103 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:14,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:14,103 INFO L85 PathProgramCache]: Analyzing trace with hash 801627252, now seen corresponding path program 1 times [2021-11-06 12:48:14,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:14,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605997133] [2021-11-06 12:48:14,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:14,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:14,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:14,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605997133] [2021-11-06 12:48:14,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605997133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:14,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:14,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:14,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796529438] [2021-11-06 12:48:14,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:14,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:14,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:14,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:14,542 INFO L87 Difference]: Start difference. First operand 15577 states and 20135 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:17,143 INFO L93 Difference]: Finished difference Result 15577 states and 20135 transitions. [2021-11-06 12:48:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:17,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-06 12:48:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:17,184 INFO L225 Difference]: With dead ends: 15577 [2021-11-06 12:48:17,185 INFO L226 Difference]: Without dead ends: 15573 [2021-11-06 12:48:17,194 INFO L786 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 [2021-11-06 12:48:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15573 states. [2021-11-06 12:48:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15573 to 15573. [2021-11-06 12:48:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15573 states, 14901 states have (on average 1.306959264478894) internal successors, (19475), 15225 states have internal predecessors, (19475), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-06 12:48:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15573 states to 15573 states and 20130 transitions. [2021-11-06 12:48:17,545 INFO L78 Accepts]: Start accepts. Automaton has 15573 states and 20130 transitions. Word has length 8 [2021-11-06 12:48:17,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:17,545 INFO L470 AbstractCegarLoop]: Abstraction has 15573 states and 20130 transitions. [2021-11-06 12:48:17,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 15573 states and 20130 transitions. [2021-11-06 12:48:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 12:48:17,547 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:17,547 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:17,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 12:48:17,550 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:17,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:17,550 INFO L85 PathProgramCache]: Analyzing trace with hash -919335115, now seen corresponding path program 1 times [2021-11-06 12:48:17,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:17,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095108627] [2021-11-06 12:48:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:17,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:17,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:17,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095108627] [2021-11-06 12:48:17,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095108627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:17,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:17,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:17,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511293075] [2021-11-06 12:48:17,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:17,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:17,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:17,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:17,955 INFO L87 Difference]: Start difference. First operand 15573 states and 20130 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:21,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:21,191 INFO L93 Difference]: Finished difference Result 37239 states and 49549 transitions. [2021-11-06 12:48:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:21,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 12:48:21,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:21,271 INFO L225 Difference]: With dead ends: 37239 [2021-11-06 12:48:21,272 INFO L226 Difference]: Without dead ends: 21668 [2021-11-06 12:48:21,343 INFO L786 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 [2021-11-06 12:48:21,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21668 states. [2021-11-06 12:48:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21668 to 20749. [2021-11-06 12:48:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20749 states, 19672 states have (on average 1.2963603090687272) internal successors, (25502), 20058 states have internal predecessors, (25502), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-06 12:48:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20749 states to 20749 states and 27541 transitions. [2021-11-06 12:48:21,860 INFO L78 Accepts]: Start accepts. Automaton has 20749 states and 27541 transitions. Word has length 9 [2021-11-06 12:48:21,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:21,861 INFO L470 AbstractCegarLoop]: Abstraction has 20749 states and 27541 transitions. [2021-11-06 12:48:21,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 20749 states and 27541 transitions. [2021-11-06 12:48:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-06 12:48:21,862 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:21,862 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:21,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 12:48:21,862 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:21,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1565406366, now seen corresponding path program 1 times [2021-11-06 12:48:21,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:21,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291230084] [2021-11-06 12:48:21,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:21,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:22,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:22,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291230084] [2021-11-06 12:48:22,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291230084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:22,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:22,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:22,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090700381] [2021-11-06 12:48:22,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:22,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:22,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:22,254 INFO L87 Difference]: Start difference. First operand 20749 states and 27541 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:24,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:24,928 INFO L93 Difference]: Finished difference Result 20749 states and 27541 transitions. [2021-11-06 12:48:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:24,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-06 12:48:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:24,981 INFO L225 Difference]: With dead ends: 20749 [2021-11-06 12:48:24,981 INFO L226 Difference]: Without dead ends: 20745 [2021-11-06 12:48:24,994 INFO L786 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 [2021-11-06 12:48:25,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20745 states. [2021-11-06 12:48:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20745 to 20745. [2021-11-06 12:48:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20745 states, 19670 states have (on average 1.2961362480935434) internal successors, (25495), 20054 states have internal predecessors, (25495), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-06 12:48:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20745 states to 20745 states and 27534 transitions. [2021-11-06 12:48:25,546 INFO L78 Accepts]: Start accepts. Automaton has 20745 states and 27534 transitions. Word has length 10 [2021-11-06 12:48:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:25,546 INFO L470 AbstractCegarLoop]: Abstraction has 20745 states and 27534 transitions. [2021-11-06 12:48:25,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 20745 states and 27534 transitions. [2021-11-06 12:48:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-06 12:48:25,548 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:25,548 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:25,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 12:48:25,548 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:25,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1282980959, now seen corresponding path program 1 times [2021-11-06 12:48:25,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:25,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496714418] [2021-11-06 12:48:25,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:25,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:25,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:25,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496714418] [2021-11-06 12:48:25,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496714418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:25,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:25,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:25,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785694498] [2021-11-06 12:48:25,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:25,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:25,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:25,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:25,970 INFO L87 Difference]: Start difference. First operand 20745 states and 27534 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:30,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:30,076 INFO L93 Difference]: Finished difference Result 20745 states and 27534 transitions. [2021-11-06 12:48:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-06 12:48:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:30,131 INFO L225 Difference]: With dead ends: 20745 [2021-11-06 12:48:30,132 INFO L226 Difference]: Without dead ends: 20547 [2021-11-06 12:48:30,145 INFO L786 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 [2021-11-06 12:48:30,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2021-11-06 12:48:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20547. [2021-11-06 12:48:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20547 states, 19571 states have (on average 1.2862909406775331) internal successors, (25174), 19856 states have internal predecessors, (25174), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-06 12:48:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 27213 transitions. [2021-11-06 12:48:30,665 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 27213 transitions. Word has length 11 [2021-11-06 12:48:30,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:30,666 INFO L470 AbstractCegarLoop]: Abstraction has 20547 states and 27213 transitions. [2021-11-06 12:48:30,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 27213 transitions. [2021-11-06 12:48:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 12:48:30,671 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:30,671 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:30,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 12:48:30,672 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:30,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1117727944, now seen corresponding path program 1 times [2021-11-06 12:48:30,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:30,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610139] [2021-11-06 12:48:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:30,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:31,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:31,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610139] [2021-11-06 12:48:31,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:31,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:31,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:31,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156193183] [2021-11-06 12:48:31,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:31,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:31,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:31,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:31,019 INFO L87 Difference]: Start difference. First operand 20547 states and 27213 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:33,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:33,767 INFO L93 Difference]: Finished difference Result 20547 states and 27213 transitions. [2021-11-06 12:48:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:33,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-06 12:48:33,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:33,810 INFO L225 Difference]: With dead ends: 20547 [2021-11-06 12:48:33,810 INFO L226 Difference]: Without dead ends: 20545 [2021-11-06 12:48:33,820 INFO L786 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 [2021-11-06 12:48:33,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20545 states. [2021-11-06 12:48:34,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20545 to 20545. [2021-11-06 12:48:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20545 states, 19570 states have (on average 1.2862544711292796) internal successors, (25172), 19854 states have internal predecessors, (25172), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-06 12:48:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20545 states to 20545 states and 27211 transitions. [2021-11-06 12:48:34,334 INFO L78 Accepts]: Start accepts. Automaton has 20545 states and 27211 transitions. Word has length 12 [2021-11-06 12:48:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:34,334 INFO L470 AbstractCegarLoop]: Abstraction has 20545 states and 27211 transitions. [2021-11-06 12:48:34,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 20545 states and 27211 transitions. [2021-11-06 12:48:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-06 12:48:34,335 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:34,335 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:34,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 12:48:34,335 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:34,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:34,336 INFO L85 PathProgramCache]: Analyzing trace with hash 289851785, now seen corresponding path program 1 times [2021-11-06 12:48:34,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:34,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059133600] [2021-11-06 12:48:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:34,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:34,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:34,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059133600] [2021-11-06 12:48:34,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059133600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:34,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:34,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:34,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633997345] [2021-11-06 12:48:34,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:34,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:34,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:34,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:34,661 INFO L87 Difference]: Start difference. First operand 20545 states and 27211 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:38,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:38,005 INFO L93 Difference]: Finished difference Result 61475 states and 85796 transitions. [2021-11-06 12:48:38,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:38,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-06 12:48:38,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:38,129 INFO L225 Difference]: With dead ends: 61475 [2021-11-06 12:48:38,129 INFO L226 Difference]: Without dead ends: 40932 [2021-11-06 12:48:38,270 INFO L786 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 [2021-11-06 12:48:38,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40932 states. [2021-11-06 12:48:39,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40932 to 39790. [2021-11-06 12:48:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39790 states, 38011 states have (on average 1.2866012470074453) internal successors, (48905), 38416 states have internal predecessors, (48905), 1034 states have call successors, (1034), 592 states have call predecessors, (1034), 588 states have return successors, (4418), 872 states have call predecessors, (4418), 1034 states have call successors, (4418) [2021-11-06 12:48:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39790 states to 39790 states and 54357 transitions. [2021-11-06 12:48:39,536 INFO L78 Accepts]: Start accepts. Automaton has 39790 states and 54357 transitions. Word has length 13 [2021-11-06 12:48:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:39,536 INFO L470 AbstractCegarLoop]: Abstraction has 39790 states and 54357 transitions. [2021-11-06 12:48:39,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 39790 states and 54357 transitions. [2021-11-06 12:48:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-06 12:48:39,537 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:39,537 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:39,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 12:48:39,537 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:39,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:39,538 INFO L85 PathProgramCache]: Analyzing trace with hash 395494642, now seen corresponding path program 1 times [2021-11-06 12:48:39,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:39,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274202661] [2021-11-06 12:48:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:39,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:39,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:39,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274202661] [2021-11-06 12:48:39,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274202661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:39,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:39,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:39,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366851451] [2021-11-06 12:48:39,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:39,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:39,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:39,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:39,859 INFO L87 Difference]: Start difference. First operand 39790 states and 54357 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:43,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:43,193 INFO L93 Difference]: Finished difference Result 39790 states and 54357 transitions. [2021-11-06 12:48:43,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:43,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-06 12:48:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:43,265 INFO L225 Difference]: With dead ends: 39790 [2021-11-06 12:48:43,265 INFO L226 Difference]: Without dead ends: 39788 [2021-11-06 12:48:43,277 INFO L786 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 [2021-11-06 12:48:43,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39788 states. [2021-11-06 12:48:44,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39788 to 39788. [2021-11-06 12:48:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39788 states, 38010 states have (on average 1.2865824782951856) internal successors, (48903), 38414 states have internal predecessors, (48903), 1034 states have call successors, (1034), 592 states have call predecessors, (1034), 588 states have return successors, (4418), 872 states have call predecessors, (4418), 1034 states have call successors, (4418) [2021-11-06 12:48:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39788 states to 39788 states and 54355 transitions. [2021-11-06 12:48:44,362 INFO L78 Accepts]: Start accepts. Automaton has 39788 states and 54355 transitions. Word has length 14 [2021-11-06 12:48:44,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:44,362 INFO L470 AbstractCegarLoop]: Abstraction has 39788 states and 54355 transitions. [2021-11-06 12:48:44,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 39788 states and 54355 transitions. [2021-11-06 12:48:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-06 12:48:44,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:44,363 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:44,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 12:48:44,363 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:44,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:44,364 INFO L85 PathProgramCache]: Analyzing trace with hash -624544077, now seen corresponding path program 1 times [2021-11-06 12:48:44,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:44,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750733400] [2021-11-06 12:48:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:44,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:44,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:44,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750733400] [2021-11-06 12:48:44,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750733400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:44,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:44,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:44,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686165500] [2021-11-06 12:48:44,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:44,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:44,712 INFO L87 Difference]: Start difference. First operand 39788 states and 54355 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:49,645 INFO L93 Difference]: Finished difference Result 117110 states and 172662 transitions. [2021-11-06 12:48:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:49,645 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-06 12:48:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:49,918 INFO L225 Difference]: With dead ends: 117110 [2021-11-06 12:48:49,918 INFO L226 Difference]: Without dead ends: 77324 [2021-11-06 12:48:50,226 INFO L786 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 [2021-11-06 12:48:50,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77324 states. [2021-11-06 12:48:52,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77324 to 75765. [2021-11-06 12:48:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75765 states, 72452 states have (on average 1.2894744106442886) internal successors, (93425), 73089 states have internal predecessors, (93425), 2014 states have call successors, (2014), 1156 states have call predecessors, (2014), 1144 states have return successors, (12550), 1662 states have call predecessors, (12550), 2014 states have call successors, (12550) [2021-11-06 12:48:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75765 states to 75765 states and 107989 transitions. [2021-11-06 12:48:53,420 INFO L78 Accepts]: Start accepts. Automaton has 75765 states and 107989 transitions. Word has length 15 [2021-11-06 12:48:53,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:48:53,420 INFO L470 AbstractCegarLoop]: Abstraction has 75765 states and 107989 transitions. [2021-11-06 12:48:53,420 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 75765 states and 107989 transitions. [2021-11-06 12:48:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-06 12:48:53,421 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:48:53,421 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:48:53,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-06 12:48:53,422 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:48:53,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:48:53,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2113994012, now seen corresponding path program 1 times [2021-11-06 12:48:53,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:48:53,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272101774] [2021-11-06 12:48:53,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:48:53,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:48:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:48:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:48:53,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:48:53,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272101774] [2021-11-06 12:48:53,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272101774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:48:53,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:48:53,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:48:53,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969268943] [2021-11-06 12:48:53,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:48:53,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:48:53,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:48:53,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:48:53,860 INFO L87 Difference]: Start difference. First operand 75765 states and 107989 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:48:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:48:58,085 INFO L93 Difference]: Finished difference Result 75765 states and 107989 transitions. [2021-11-06 12:48:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:48:58,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-06 12:48:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:48:58,270 INFO L225 Difference]: With dead ends: 75765 [2021-11-06 12:48:58,270 INFO L226 Difference]: Without dead ends: 75763 [2021-11-06 12:48:58,305 INFO L786 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 [2021-11-06 12:48:58,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75763 states. [2021-11-06 12:49:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75763 to 75763. [2021-11-06 12:49:00,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75763 states, 72451 states have (on average 1.2894646036631654) internal successors, (93423), 73087 states have internal predecessors, (93423), 2014 states have call successors, (2014), 1156 states have call predecessors, (2014), 1144 states have return successors, (12550), 1662 states have call predecessors, (12550), 2014 states have call successors, (12550) [2021-11-06 12:49:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75763 states to 75763 states and 107987 transitions. [2021-11-06 12:49:01,405 INFO L78 Accepts]: Start accepts. Automaton has 75763 states and 107987 transitions. Word has length 16 [2021-11-06 12:49:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:49:01,405 INFO L470 AbstractCegarLoop]: Abstraction has 75763 states and 107987 transitions. [2021-11-06 12:49:01,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:49:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 75763 states and 107987 transitions. [2021-11-06 12:49:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-06 12:49:01,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:49:01,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:49:01,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-06 12:49:01,406 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:49:01,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:49:01,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1109328861, now seen corresponding path program 1 times [2021-11-06 12:49:01,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:49:01,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786395772] [2021-11-06 12:49:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:49:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:49:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:49:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:49:01,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:49:01,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786395772] [2021-11-06 12:49:01,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786395772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:49:01,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:49:01,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 12:49:01,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323165331] [2021-11-06 12:49:01,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 12:49:01,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:49:01,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 12:49:01,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 12:49:01,804 INFO L87 Difference]: Start difference. First operand 75763 states and 107987 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:49:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:49:06,261 INFO L93 Difference]: Finished difference Result 75763 states and 107987 transitions. [2021-11-06 12:49:06,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 12:49:06,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-06 12:49:06,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:49:06,718 INFO L225 Difference]: With dead ends: 75763 [2021-11-06 12:49:06,718 INFO L226 Difference]: Without dead ends: 75749 [2021-11-06 12:49:06,772 INFO L786 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 [2021-11-06 12:49:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75749 states. [2021-11-06 12:49:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75749 to 75749. [2021-11-06 12:49:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75749 states, 72438 states have (on average 1.2894889422678704) internal successors, (93408), 73073 states have internal predecessors, (93408), 2014 states have call successors, (2014), 1156 states have call predecessors, (2014), 1144 states have return successors, (12550), 1662 states have call predecessors, (12550), 2014 states have call successors, (12550) [2021-11-06 12:49:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75749 states to 75749 states and 107972 transitions. [2021-11-06 12:49:10,008 INFO L78 Accepts]: Start accepts. Automaton has 75749 states and 107972 transitions. Word has length 17 [2021-11-06 12:49:10,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:49:10,009 INFO L470 AbstractCegarLoop]: Abstraction has 75749 states and 107972 transitions. [2021-11-06 12:49:10,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 12:49:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 75749 states and 107972 transitions. [2021-11-06 12:49:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 12:49:10,011 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:49:10,012 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 12:49:10,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-06 12:49:10,013 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting vmw_sou_fifo_destroyErr13ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-06 12:49:10,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:49:10,014 INFO L85 PathProgramCache]: Analyzing trace with hash 793172806, now seen corresponding path program 1 times [2021-11-06 12:49:10,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:49:10,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733115339] [2021-11-06 12:49:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:49:10,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:49:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:49:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:49:10,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:49:10,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733115339] [2021-11-06 12:49:10,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733115339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:49:10,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:49:10,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 12:49:10,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299698675] [2021-11-06 12:49:10,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 12:49:10,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:49:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 12:49:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 12:49:10,554 INFO L87 Difference]: Start difference. First operand 75749 states and 107972 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)