./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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/main3_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 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 15:56:12,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 15:56:12,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 15:56:13,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 15:56:13,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 15:56:13,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 15:56:13,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 15:56:13,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 15:56:13,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 15:56:13,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 15:56:13,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 15:56:13,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 15:56:13,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 15:56:13,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 15:56:13,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 15:56:13,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 15:56:13,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 15:56:13,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 15:56:13,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 15:56:13,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 15:56:13,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 15:56:13,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 15:56:13,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 15:56:13,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 15:56:13,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 15:56:13,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 15:56:13,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 15:56:13,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 15:56:13,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 15:56:13,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 15:56:13,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 15:56:13,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 15:56:13,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 15:56:13,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 15:56:13,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 15:56:13,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 15:56:13,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 15:56:13,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 15:56:13,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 15:56:13,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 15:56:13,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 15:56:13,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 15:56:13,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 15:56:13,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 15:56:13,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 15:56:13,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 15:56:13,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 15:56:13,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 15:56:13,067 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 15:56:13,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 15:56:13,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 15:56:13,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 15:56:13,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 15:56:13,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 15:56:13,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 15:56:13,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 15:56:13,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 15:56:13,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 15:56:13,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 15:56:13,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 15:56:13,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 15:56:13,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 15:56:13,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 15:56:13,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 15:56:13,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 15:56:13,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 15:56:13,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 15:56:13,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 15:56:13,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 15:56:13,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 15:56:13,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 15:56:13,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2021-11-02 15:56:13,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 15:56:13,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 15:56:13,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 15:56:13,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 15:56:13,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 15:56:13,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-02 15:56:13,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f282f3307/2bd276f9312446d1960f90dd9d92c555/FLAG3d180416a [2021-11-02 15:56:14,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 15:56:14,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-02 15:56:14,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f282f3307/2bd276f9312446d1960f90dd9d92c555/FLAG3d180416a [2021-11-02 15:56:14,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f282f3307/2bd276f9312446d1960f90dd9d92c555 [2021-11-02 15:56:14,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 15:56:14,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 15:56:14,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 15:56:14,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 15:56:14,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 15:56:14,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 03:56:14" (1/1) ... [2021-11-02 15:56:14,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db495b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:14, skipping insertion in model container [2021-11-02 15:56:14,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 03:56:14" (1/1) ... [2021-11-02 15:56:14,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 15:56:14,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 15:56:20,853 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/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-02 15:56:21,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 15:56:21,383 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 15:56:21,884 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/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-02 15:56:21,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 15:56:22,392 INFO L208 MainTranslator]: Completed translation [2021-11-02 15:56:22,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22 WrapperNode [2021-11-02 15:56:22,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 15:56:22,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 15:56:22,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 15:56:22,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 15:56:22,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:22,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:23,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 15:56:23,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 15:56:23,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 15:56:23,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 15:56:23,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:23,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:23,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:23,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:24,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:24,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:24,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:25,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 15:56:25,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 15:56:25,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 15:56:25,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 15:56:25,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (1/1) ... [2021-11-02 15:56:25,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 15:56:25,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 15:56:25,229 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) [2021-11-02 15:56:25,271 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 [2021-11-02 15:56:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-02 15:56:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-02 15:56:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-02 15:56:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-02 15:56:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-02 15:56:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-02 15:56:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-02 15:56:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-02 15:56:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-02 15:56:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-02 15:56:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-02 15:56:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-02 15:56:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-02 15:56:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-02 15:56:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-02 15:56:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-02 15:56:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-02 15:56:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 15:56:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-02 15:56:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-02 15:56:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-02 15:56:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-02 15:56:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-02 15:56:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-02 15:56:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-02 15:56:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-02 15:56:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 15:56:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-02 15:56:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-02 15:56:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-02 15:56:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-02 15:56:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-02 15:56:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-02 15:56:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 15:56:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 15:56:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-02 15:56:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-02 15:56:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-02 15:56:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-02 15:56:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-02 15:56:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-02 15:56:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-02 15:56:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-02 15:56:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 15:56:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 15:56:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-02 15:56:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-02 15:56:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-02 15:56:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-02 15:56:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 15:56:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-02 15:56:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-02 15:56:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-02 15:56:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-02 15:56:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-02 15:56:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-02 15:56:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 15:56:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-02 15:56:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 15:56:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-02 15:56:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-02 15:56:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-02 15:56:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-02 15:56:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-02 15:56:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-02 15:56:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-02 15:56:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-02 15:56:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-02 15:56:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 15:56:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-02 15:56:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-02 15:56:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-02 15:56:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-02 15:56:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-02 15:56:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-02 15:56:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-02 15:56:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-02 15:56:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-02 15:56:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-02 15:56:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-02 15:56:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-02 15:56:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-02 15:56:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-02 15:56:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-02 15:56:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-02 15:56:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-02 15:56:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-02 15:56:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-02 15:56:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-02 15:56:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-02 15:56:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-02 15:56:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 15:56:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-02 15:56:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-02 15:56:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 15:56:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 15:56:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-02 15:56:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-02 15:56:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-02 15:56:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-02 15:56:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-02 15:56:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-02 15:56:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-02 15:56:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-02 15:56:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-02 15:56:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-02 15:56:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-02 15:56:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-02 15:56:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 15:56:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 15:56:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 15:56:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 15:56:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-02 15:56:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-02 15:56:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-02 15:56:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-02 15:56:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-02 15:56:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-02 15:56:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-02 15:56:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-02 15:56:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-02 15:56:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-02 15:56:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-02 15:56:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-02 15:56:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-02 15:56:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 15:56:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-02 15:56:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-02 15:56:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-02 15:56:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-02 15:56:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-02 15:56:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-02 15:56:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-02 15:56:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-02 15:56:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-02 15:56:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-02 15:56:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-02 15:56:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-02 15:56:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-02 15:56:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-02 15:56:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-02 15:56:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-02 15:56:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-02 15:56:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-02 15:56:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 15:56:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-02 15:56:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-02 15:56:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-02 15:56:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-02 15:56:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-02 15:56:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-02 15:56:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-02 15:56:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-02 15:56:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-02 15:56:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-02 15:56:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-02 15:56:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-02 15:56:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-02 15:56:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-02 15:56:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-02 15:56:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-02 15:56:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-02 15:56:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-02 15:56:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-02 15:56:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-02 15:56:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-02 15:56:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-02 15:56:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-02 15:56:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-02 15:56:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-02 15:56:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 15:58:59,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 15:58:59,486 INFO L299 CfgBuilder]: Removed 11254 assume(true) statements. [2021-11-02 15:58:59,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 03:58:59 BoogieIcfgContainer [2021-11-02 15:58:59,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 15:58:59,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 15:58:59,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 15:58:59,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 15:58:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 03:56:14" (1/3) ... [2021-11-02 15:58:59,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba7ff4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 03:58:59, skipping insertion in model container [2021-11-02 15:58:59,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 03:56:22" (2/3) ... [2021-11-02 15:58:59,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba7ff4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 03:58:59, skipping insertion in model container [2021-11-02 15:58:59,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 03:58:59" (3/3) ... [2021-11-02 15:58:59,499 INFO L111 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-02 15:58:59,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 15:58:59,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 281 error locations. [2021-11-02 15:58:59,554 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 15:58:59,559 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 [2021-11-02 15:58:59,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 281 error locations. [2021-11-02 15:58:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 9900 states, 9395 states have (on average 1.335178286322512) internal successors, (12544), 9715 states have internal predecessors, (12544), 148 states have call successors, (148), 75 states have call predecessors, (148), 75 states have return successors, (148), 127 states have call predecessors, (148), 148 states have call successors, (148) [2021-11-02 15:58:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-02 15:58:59,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 15:58:59,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 15:58:59,656 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_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 279 more)] === [2021-11-02 15:58:59,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 15:58:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash 811386222, now seen corresponding path program 1 times [2021-11-02 15:58:59,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 15:58:59,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966870275] [2021-11-02 15:58:59,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 15:58:59,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 15:59:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 15:59:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 15:59:00,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 15:59:00,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966870275] [2021-11-02 15:59:00,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966870275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 15:59:00,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 15:59:00,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 15:59:00,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899035974] [2021-11-02 15:59:00,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 15:59:00,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 15:59:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 15:59:00,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 15:59:00,662 INFO L87 Difference]: Start difference. First operand has 9900 states, 9395 states have (on average 1.335178286322512) internal successors, (12544), 9715 states have internal predecessors, (12544), 148 states have call successors, (148), 75 states have call predecessors, (148), 75 states have return successors, (148), 127 states have call predecessors, (148), 148 states have call successors, (148) 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) [2021-11-02 15:59:02,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 15:59:13,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 15:59:32,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 15:59:44,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 15:59:48,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:00:06,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:00:08,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:01:41,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:01:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 16:01:54,931 INFO L93 Difference]: Finished difference Result 28255 states and 37179 transitions. [2021-11-02 16:01:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 16:01:54,933 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 [2021-11-02 16:01:54,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 16:01:55,023 INFO L225 Difference]: With dead ends: 28255 [2021-11-02 16:01:55,023 INFO L226 Difference]: Without dead ends: 18203 [2021-11-02 16:01:55,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 16:01:55,102 INFO L933 BasicCegarLoop]: 680 mSDtfsCounter, 11625 mSDsluCounter, 11803 mSDsCounter, 0 mSdLazyCounter, 24453 mSolverCounterSat, 10 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 160847.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11625 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 24471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 245.34ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 24453 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171266.17ms IncrementalHoareTripleChecker+Time [2021-11-02 16:01:55,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11625 Valid, 1172 Invalid, 24471 Unknown, 0 Unchecked, 245.34ms Time], IncrementalHoareTripleChecker [10 Valid, 24453 Invalid, 8 Unknown, 0 Unchecked, 171266.17ms Time] [2021-11-02 16:01:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18203 states. [2021-11-02 16:01:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18203 to 17721. [2021-11-02 16:01:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17721 states, 17004 states have (on average 1.2961656080922137) internal successors, (22040), 17357 states have internal predecessors, (22040), 287 states have call successors, (287), 147 states have call predecessors, (287), 149 states have return successors, (549), 248 states have call predecessors, (549), 287 states have call successors, (549) [2021-11-02 16:01:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17721 states to 17721 states and 22876 transitions. [2021-11-02 16:01:55,636 INFO L78 Accepts]: Start accepts. Automaton has 17721 states and 22876 transitions. Word has length 10 [2021-11-02 16:01:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 16:01:55,637 INFO L470 AbstractCegarLoop]: Abstraction has 17721 states and 22876 transitions. [2021-11-02 16:01:55,638 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) [2021-11-02 16:01:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 17721 states and 22876 transitions. [2021-11-02 16:01:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-02 16:01:55,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 16:01:55,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 16:01:55,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 16:01:55,640 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_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 279 more)] === [2021-11-02 16:01:55,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 16:01:55,642 INFO L85 PathProgramCache]: Analyzing trace with hash -616803676, now seen corresponding path program 1 times [2021-11-02 16:01:55,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 16:01:55,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577328003] [2021-11-02 16:01:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 16:01:55,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 16:01:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 16:01:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 16:01:56,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 16:01:56,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577328003] [2021-11-02 16:01:56,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577328003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 16:01:56,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 16:01:56,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 16:01:56,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83960746] [2021-11-02 16:01:56,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 16:01:56,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 16:01:56,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 16:01:56,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 16:01:56,097 INFO L87 Difference]: Start difference. First operand 17721 states and 22876 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) [2021-11-02 16:01:58,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:02:09,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:02:29,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:02:40,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:02:44,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:03:00,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:03:02,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:03:48,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:04:48,090 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 [] [2021-11-02 16:04:59,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 16:04:59,993 INFO L93 Difference]: Finished difference Result 33976 states and 43882 transitions. [2021-11-02 16:04:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 16:04:59,994 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 [2021-11-02 16:04:59,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 16:05:00,093 INFO L225 Difference]: With dead ends: 33976 [2021-11-02 16:05:00,093 INFO L226 Difference]: Without dead ends: 33974 [2021-11-02 16:05:00,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 16:05:00,113 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 11278 mSDsluCounter, 12284 mSDsCounter, 0 mSdLazyCounter, 24045 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168866.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11281 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 24053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 198.85ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24045 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181426.37ms IncrementalHoareTripleChecker+Time [2021-11-02 16:05:00,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11281 Valid, 737 Invalid, 24053 Unknown, 0 Unchecked, 198.85ms Time], IncrementalHoareTripleChecker [1 Valid, 24045 Invalid, 7 Unknown, 0 Unchecked, 181426.37ms Time] [2021-11-02 16:05:00,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33974 states. [2021-11-02 16:05:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33974 to 33445. [2021-11-02 16:05:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33445 states, 32298 states have (on average 1.297913183478853) internal successors, (41920), 32728 states have internal predecessors, (41920), 570 states have call successors, (570), 293 states have call predecessors, (570), 296 states have return successors, (1100), 486 states have call predecessors, (1100), 570 states have call successors, (1100) [2021-11-02 16:05:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33445 states to 33445 states and 43590 transitions. [2021-11-02 16:05:00,857 INFO L78 Accepts]: Start accepts. Automaton has 33445 states and 43590 transitions. Word has length 11 [2021-11-02 16:05:00,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 16:05:00,858 INFO L470 AbstractCegarLoop]: Abstraction has 33445 states and 43590 transitions. [2021-11-02 16:05:00,858 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) [2021-11-02 16:05:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 33445 states and 43590 transitions. [2021-11-02 16:05:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-02 16:05:00,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 16:05:00,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 16:05:00,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 16:05:00,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_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 279 more)] === [2021-11-02 16:05:00,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 16:05:00,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1941017544, now seen corresponding path program 1 times [2021-11-02 16:05:00,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 16:05:00,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160233826] [2021-11-02 16:05:00,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 16:05:00,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 16:05:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 16:05:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 16:05:01,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 16:05:01,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160233826] [2021-11-02 16:05:01,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160233826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 16:05:01,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 16:05:01,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 16:05:01,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979861862] [2021-11-02 16:05:01,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 16:05:01,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 16:05:01,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 16:05:01,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 16:05:01,354 INFO L87 Difference]: Start difference. First operand 33445 states and 43590 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) [2021-11-02 16:05:03,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:05:14,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:05:34,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:05:47,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:05:51,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:06:11,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:06:13,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:08:04,472 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 [] [2021-11-02 16:08:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 16:08:17,525 INFO L93 Difference]: Finished difference Result 66641 states and 88991 transitions. [2021-11-02 16:08:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 16:08:17,526 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 [2021-11-02 16:08:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 16:08:17,734 INFO L225 Difference]: With dead ends: 66641 [2021-11-02 16:08:17,735 INFO L226 Difference]: Without dead ends: 66637 [2021-11-02 16:08:17,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 16:08:17,796 INFO L933 BasicCegarLoop]: 589 mSDtfsCounter, 12231 mSDsluCounter, 12421 mSDsCounter, 0 mSdLazyCounter, 24983 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178421.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12231 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 24995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 203.91ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24983 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 193200.21ms IncrementalHoareTripleChecker+Time [2021-11-02 16:08:17,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12231 Valid, 1029 Invalid, 24995 Unknown, 0 Unchecked, 203.91ms Time], IncrementalHoareTripleChecker [4 Valid, 24983 Invalid, 8 Unknown, 0 Unchecked, 193200.21ms Time] [2021-11-02 16:08:17,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66637 states. [2021-11-02 16:08:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66637 to 65968. [2021-11-02 16:08:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65968 states, 63965 states have (on average 1.2993668412413037) internal successors, (83114), 64543 states have internal predecessors, (83114), 1134 states have call successors, (1134), 585 states have call predecessors, (1134), 588 states have return successors, (4296), 964 states have call predecessors, (4296), 1134 states have call successors, (4296) [2021-11-02 16:08:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65968 states to 65968 states and 88544 transitions. [2021-11-02 16:08:19,465 INFO L78 Accepts]: Start accepts. Automaton has 65968 states and 88544 transitions. Word has length 12 [2021-11-02 16:08:19,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 16:08:19,466 INFO L470 AbstractCegarLoop]: Abstraction has 65968 states and 88544 transitions. [2021-11-02 16:08:19,466 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) [2021-11-02 16:08:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 65968 states and 88544 transitions. [2021-11-02 16:08:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-02 16:08:19,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 16:08:19,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 16:08:19,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 16:08:19,468 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_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 279 more)] === [2021-11-02 16:08:19,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 16:08:19,468 INFO L85 PathProgramCache]: Analyzing trace with hash -41974482, now seen corresponding path program 1 times [2021-11-02 16:08:19,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 16:08:19,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698751031] [2021-11-02 16:08:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 16:08:19,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 16:08:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 16:08:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 16:08:19,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 16:08:19,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698751031] [2021-11-02 16:08:19,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698751031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 16:08:19,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 16:08:19,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 16:08:19,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563405652] [2021-11-02 16:08:19,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 16:08:19,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 16:08:19,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 16:08:19,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 16:08:19,882 INFO L87 Difference]: Start difference. First operand 65968 states and 88544 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) [2021-11-02 16:08:22,025 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 [] [2021-11-02 16:08:34,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:09:04,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:09:25,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:09:30,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:10:01,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 16:10:03,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15