./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 c36dfa3b 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-wip.dd.seqcomp-c36dfa3 [2021-11-04 01:33:00,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 01:33:00,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 01:33:00,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 01:33:00,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 01:33:00,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 01:33:00,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 01:33:00,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 01:33:00,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 01:33:00,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 01:33:00,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 01:33:00,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 01:33:00,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 01:33:00,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 01:33:00,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 01:33:00,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 01:33:00,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 01:33:00,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 01:33:00,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 01:33:00,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 01:33:00,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 01:33:00,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 01:33:00,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 01:33:00,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 01:33:00,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 01:33:00,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 01:33:00,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 01:33:00,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 01:33:00,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 01:33:00,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 01:33:00,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 01:33:00,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 01:33:00,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 01:33:00,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 01:33:00,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 01:33:00,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 01:33:00,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 01:33:00,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 01:33:00,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 01:33:00,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 01:33:00,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 01:33:00,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 01:33:00,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 01:33:00,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 01:33:00,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 01:33:00,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 01:33:00,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 01:33:00,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 01:33:00,964 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 01:33:00,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 01:33:00,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 01:33:00,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 01:33:00,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 01:33:00,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 01:33:00,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 01:33:00,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 01:33:00,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 01:33:00,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 01:33:00,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 01:33:00,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 01:33:00,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 01:33:00,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:33:00,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 01:33:00,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 01:33:00,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 01:33:00,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 01:33:00,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 01:33:00,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 01:33:00,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 01:33:00,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 01:33:00,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 01:33:00,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-04 01:33:01,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 01:33:01,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 01:33:01,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 01:33:01,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 01:33:01,212 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 01:33:01,213 INFO L432 ainManager$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 [2021-11-04 01:33:01,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc18ca362/d64fffc578a24617a50da8eee69dec5b/FLAG8f5a11fb2 [2021-11-04 01:33:02,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 01:33:02,061 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 [2021-11-04 01:33:02,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc18ca362/d64fffc578a24617a50da8eee69dec5b/FLAG8f5a11fb2 [2021-11-04 01:33:02,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc18ca362/d64fffc578a24617a50da8eee69dec5b [2021-11-04 01:33:02,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 01:33:02,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 01:33:02,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 01:33:02,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 01:33:02,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 01:33:02,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:33:02" (1/1) ... [2021-11-04 01:33:02,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da1eac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:02, skipping insertion in model container [2021-11-04 01:33:02,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:33:02" (1/1) ... [2021-11-04 01:33:02,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 01:33:02,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 01:33:09,717 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] [2021-11-04 01:33:10,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:33:10,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 01:33:10,885 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] [2021-11-04 01:33:10,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:33:11,326 INFO L208 MainTranslator]: Completed translation [2021-11-04 01:33:11,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11 WrapperNode [2021-11-04 01:33:11,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 01:33:11,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 01:33:11,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 01:33:11,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 01:33:11,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:11,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:12,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 01:33:12,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 01:33:12,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 01:33:12,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 01:33:12,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:12,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:12,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:12,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:13,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:13,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:13,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:13,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 01:33:13,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 01:33:13,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 01:33:13,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 01:33:13,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (1/1) ... [2021-11-04 01:33:13,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:33:13,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 01:33:13,898 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) [2021-11-04 01:33:13,911 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 [2021-11-04 01:33:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-04 01:33:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-04 01:33:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-04 01:33:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-04 01:33:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-04 01:33:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-04 01:33:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-04 01:33:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-04 01:33:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-04 01:33:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-04 01:33:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-04 01:33:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-04 01:33:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-04 01:33:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-04 01:33:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-04 01:33:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-04 01:33:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-04 01:33:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 01:33:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-04 01:33:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-04 01:33:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-04 01:33:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-04 01:33:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-04 01:33:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-04 01:33:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-04 01:33:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-04 01:33:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 01:33:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-04 01:33:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-04 01:33:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-04 01:33:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-04 01:33:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-04 01:33:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-04 01:33:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 01:33:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 01:33:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-04 01:33:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-04 01:33:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-04 01:33:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-04 01:33:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-04 01:33:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-04 01:33:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-04 01:33:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-04 01:33:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 01:33:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 01:33:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-04 01:33:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-04 01:33:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-04 01:33:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-04 01:33:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 01:33:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-04 01:33:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-04 01:33:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-04 01:33:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-04 01:33:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-04 01:33:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-04 01:33:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 01:33:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-04 01:33:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 01:33:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-04 01:33:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-04 01:33:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-04 01:33:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-04 01:33:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-04 01:33:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-04 01:33:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-04 01:33:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-04 01:33:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-04 01:33:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 01:33:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-04 01:33:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-04 01:33:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-04 01:33:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-04 01:33:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-04 01:33:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-04 01:33:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-04 01:33:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-04 01:33:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-04 01:33:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-04 01:33:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-04 01:33:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-04 01:33:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-04 01:33:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-04 01:33:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-04 01:33:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-04 01:33:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-04 01:33:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-04 01:33:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-04 01:33:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-04 01:33:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-04 01:33:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-04 01:33:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 01:33:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-04 01:33:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-04 01:33:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 01:33:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 01:33:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-04 01:33:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-04 01:33:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-04 01:33:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-04 01:33:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-04 01:33:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-04 01:33:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-04 01:33:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-04 01:33:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-04 01:33:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-04 01:33:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-04 01:33:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-04 01:33:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 01:33:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 01:33:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 01:33:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 01:33:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-04 01:33:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-04 01:33:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-04 01:33:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-04 01:33:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-04 01:33:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-04 01:33:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-04 01:33:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-04 01:33:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-04 01:33:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-04 01:33:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-04 01:33:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-04 01:33:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-04 01:33:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 01:33:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-04 01:33:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-04 01:33:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-04 01:33:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-04 01:33:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-04 01:33:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-04 01:33:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-04 01:33:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-04 01:33:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-04 01:33:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-04 01:33:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-04 01:33:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-04 01:33:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-04 01:33:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-04 01:33:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-04 01:33:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-04 01:33:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-04 01:33:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-04 01:33:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 01:33:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-04 01:33:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-04 01:33:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-04 01:33:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-04 01:33:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-04 01:33:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-04 01:33:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-04 01:33:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-04 01:33:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-04 01:33:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-04 01:33:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-04 01:33:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-04 01:33:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-04 01:33:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-04 01:33:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-04 01:33:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-04 01:33:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-04 01:33:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-04 01:33:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-04 01:33:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-04 01:33:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-04 01:33:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-04 01:33:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-04 01:33:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-04 01:33:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-04 01:33:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 01:35:55,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 01:35:55,654 INFO L299 CfgBuilder]: Removed 9608 assume(true) statements. [2021-11-04 01:35:55,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:35:55 BoogieIcfgContainer [2021-11-04 01:35:55,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 01:35:55,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 01:35:55,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 01:35:55,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 01:35:55,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 01:33:02" (1/3) ... [2021-11-04 01:35:55,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ea114a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:35:55, skipping insertion in model container [2021-11-04 01:35:55,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:33:11" (2/3) ... [2021-11-04 01:35:55,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ea114a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:35:55, skipping insertion in model container [2021-11-04 01:35:55,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:35:55" (3/3) ... [2021-11-04 01:35:55,670 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-04 01:35:55,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 01:35:55,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 264 error locations. [2021-11-04 01:35:55,726 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 01:35:55,738 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 [2021-11-04 01:35:55,738 INFO L340 AbstractCegarLoop]: Starting to check reachability of 264 error locations. [2021-11-04 01:35:55,827 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) [2021-11-04 01:35:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-04 01:35:55,830 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:35:55,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-04 01:35:55,832 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)] === [2021-11-04 01:35:55,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:35:55,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1815356490, now seen corresponding path program 1 times [2021-11-04 01:35:55,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:35:55,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713688782] [2021-11-04 01:35:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:35:55,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:35:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:35:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:35:56,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:35:56,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713688782] [2021-11-04 01:35:56,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713688782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:35:56,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:35:56,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:35:56,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457492197] [2021-11-04 01:35:56,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:35:56,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:35:56,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:35:56,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:35:56,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:35:56,759 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) [2021-11-04 01:35:58,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:36:07,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:36:21,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:36:25,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:36:40,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:36:42,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:11,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:38:34,557 INFO L93 Difference]: Finished difference Result 24702 states and 32706 transitions. [2021-11-04 01:38:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:38:34,560 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 [2021-11-04 01:38:34,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:38:34,636 INFO L225 Difference]: With dead ends: 24702 [2021-11-04 01:38:34,636 INFO L226 Difference]: Without dead ends: 15875 [2021-11-04 01:38:34,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:38:34,709 INFO L933 BasicCegarLoop]: 644 mSDtfsCounter, 10161 mSDsluCounter, 10406 mSDsCounter, 0 mSdLazyCounter, 22585 mSolverCounterSat, 10 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 145996.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10161 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 22602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 199.30ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22585 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155214.35ms IncrementalHoareTripleChecker+Time [2021-11-04 01:38:34,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10161 Valid, 1102 Invalid, 22602 Unknown, 0 Unchecked, 199.30ms Time], IncrementalHoareTripleChecker [10 Valid, 22585 Invalid, 7 Unknown, 0 Unchecked, 155214.35ms Time] [2021-11-04 01:38:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15875 states. [2021-11-04 01:38:35,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15875 to 15427. [2021-11-04 01:38:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15427 states, 14748 states have (on average 1.3070924871168972) internal successors, (19277), 15079 states have internal predecessors, (19277), 266 states have call successors, (266), 147 states have call predecessors, (266), 149 states have return successors, (510), 225 states have call predecessors, (510), 266 states have call successors, (510) [2021-11-04 01:38:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15427 states to 15427 states and 20053 transitions. [2021-11-04 01:38:35,206 INFO L78 Accepts]: Start accepts. Automaton has 15427 states and 20053 transitions. Word has length 6 [2021-11-04 01:38:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:38:35,206 INFO L470 AbstractCegarLoop]: Abstraction has 15427 states and 20053 transitions. [2021-11-04 01:38:35,207 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) [2021-11-04 01:38:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 15427 states and 20053 transitions. [2021-11-04 01:38:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-04 01:38:35,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:38:35,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:38:35,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 01:38:35,209 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)] === [2021-11-04 01:38:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:38:35,210 INFO L85 PathProgramCache]: Analyzing trace with hash 441500171, now seen corresponding path program 1 times [2021-11-04 01:38:35,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:38:35,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344389993] [2021-11-04 01:38:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:38:35,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:38:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:38:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:38:35,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:38:35,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344389993] [2021-11-04 01:38:35,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344389993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:38:35,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:38:35,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:38:35,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371650472] [2021-11-04 01:38:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:38:35,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:38:35,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:38:35,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:38:35,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:38:35,681 INFO L87 Difference]: Start difference. First operand 15427 states and 20053 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) [2021-11-04 01:38:37,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:45,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:58,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:01,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:13,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:15,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:28,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:40:13,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:41:16,988 INFO L93 Difference]: Finished difference Result 29378 states and 38206 transitions. [2021-11-04 01:41:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:41:16,989 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 [2021-11-04 01:41:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:41:17,089 INFO L225 Difference]: With dead ends: 29378 [2021-11-04 01:41:17,089 INFO L226 Difference]: Without dead ends: 29376 [2021-11-04 01:41:17,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:41:17,109 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 9836 mSDsluCounter, 10795 mSDsCounter, 0 mSdLazyCounter, 21833 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148856.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9840 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 21840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 152.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21833 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159115.80ms IncrementalHoareTripleChecker+Time [2021-11-04 01:41:17,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9840 Valid, 674 Invalid, 21840 Unknown, 0 Unchecked, 152.76ms Time], IncrementalHoareTripleChecker [0 Valid, 21833 Invalid, 7 Unknown, 0 Unchecked, 159115.80ms Time] [2021-11-04 01:41:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29376 states. [2021-11-04 01:41:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29376 to 28876. [2021-11-04 01:41:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28876 states, 27797 states have (on average 1.3093139547433177) internal successors, (36395), 28193 states have internal predecessors, (36395), 520 states have call successors, (520), 293 states have call predecessors, (520), 296 states have return successors, (1008), 436 states have call predecessors, (1008), 520 states have call successors, (1008) [2021-11-04 01:41:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28876 states to 28876 states and 37923 transitions. [2021-11-04 01:41:17,764 INFO L78 Accepts]: Start accepts. Automaton has 28876 states and 37923 transitions. Word has length 7 [2021-11-04 01:41:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:41:17,765 INFO L470 AbstractCegarLoop]: Abstraction has 28876 states and 37923 transitions. [2021-11-04 01:41:17,765 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) [2021-11-04 01:41:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states and 37923 transitions. [2021-11-04 01:41:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-04 01:41:17,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:41:17,766 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:41:17,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 01:41:17,766 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)] === [2021-11-04 01:41:17,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:41:17,767 INFO L85 PathProgramCache]: Analyzing trace with hash 801627252, now seen corresponding path program 1 times [2021-11-04 01:41:17,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:41:17,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741134087] [2021-11-04 01:41:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:41:17,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:41:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:41:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:41:18,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:41:18,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741134087] [2021-11-04 01:41:18,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741134087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:41:18,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:41:18,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:41:18,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88224892] [2021-11-04 01:41:18,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:41:18,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:41:18,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:41:18,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:41:18,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:41:18,173 INFO L87 Difference]: Start difference. First operand 28876 states and 37923 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) [2021-11-04 01:41:20,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:28,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:44,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:47,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:03,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:05,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:43:27,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:20,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:44:20,704 INFO L93 Difference]: Finished difference Result 57528 states and 77504 transitions. [2021-11-04 01:44:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:44:20,705 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 [2021-11-04 01:44:20,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:44:20,903 INFO L225 Difference]: With dead ends: 57528 [2021-11-04 01:44:20,903 INFO L226 Difference]: Without dead ends: 57524 [2021-11-04 01:44:20,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:44:20,946 INFO L933 BasicCegarLoop]: 545 mSDtfsCounter, 10776 mSDsluCounter, 10947 mSDsCounter, 0 mSdLazyCounter, 21970 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166700.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10776 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 21981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 145.08ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21970 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 179875.13ms IncrementalHoareTripleChecker+Time [2021-11-04 01:44:20,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10776 Valid, 952 Invalid, 21981 Unknown, 0 Unchecked, 145.08ms Time], IncrementalHoareTripleChecker [4 Valid, 21970 Invalid, 7 Unknown, 0 Unchecked, 179875.13ms Time] [2021-11-04 01:44:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57524 states. [2021-11-04 01:44:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57524 to 56906. [2021-11-04 01:44:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56906 states, 55021 states have (on average 1.3109903491394195) internal successors, (72132), 55549 states have internal predecessors, (72132), 1034 states have call successors, (1034), 585 states have call predecessors, (1034), 588 states have return successors, (3928), 864 states have call predecessors, (3928), 1034 states have call successors, (3928) [2021-11-04 01:44:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56906 states to 56906 states and 77094 transitions. [2021-11-04 01:44:22,279 INFO L78 Accepts]: Start accepts. Automaton has 56906 states and 77094 transitions. Word has length 8 [2021-11-04 01:44:22,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:44:22,279 INFO L470 AbstractCegarLoop]: Abstraction has 56906 states and 77094 transitions. [2021-11-04 01:44:22,280 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) [2021-11-04 01:44:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 56906 states and 77094 transitions. [2021-11-04 01:44:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-04 01:44:22,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:44:22,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:44:22,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 01:44:22,281 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)] === [2021-11-04 01:44:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:44:22,281 INFO L85 PathProgramCache]: Analyzing trace with hash -919335115, now seen corresponding path program 1 times [2021-11-04 01:44:22,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:44:22,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727967103] [2021-11-04 01:44:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:44:22,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:44:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:44:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:44:22,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:44:22,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727967103] [2021-11-04 01:44:22,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727967103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:44:22,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:44:22,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:44:22,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416510692] [2021-11-04 01:44:22,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:44:22,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:44:22,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:44:22,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:44:22,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:44:22,682 INFO L87 Difference]: Start difference. First operand 56906 states and 77094 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) [2021-11-04 01:44:24,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:35,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:01,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:06,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:30,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:32,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:54,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15