./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 fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 21:40:26,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 21:40:26,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 21:40:26,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 21:40:26,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 21:40:26,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 21:40:26,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 21:40:26,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 21:40:26,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 21:40:26,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 21:40:26,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 21:40:26,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 21:40:26,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 21:40:26,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 21:40:26,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 21:40:26,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 21:40:26,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 21:40:26,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 21:40:26,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 21:40:26,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 21:40:26,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 21:40:26,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 21:40:26,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 21:40:26,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 21:40:26,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 21:40:26,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 21:40:26,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 21:40:26,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 21:40:26,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 21:40:26,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 21:40:26,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 21:40:26,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 21:40:26,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 21:40:26,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 21:40:26,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 21:40:26,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 21:40:26,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 21:40:26,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 21:40:26,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 21:40:26,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 21:40:26,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 21:40:26,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 21:40:26,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 21:40:26,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 21:40:26,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 21:40:26,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 21:40:26,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 21:40:26,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 21:40:26,521 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 21:40:26,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 21:40:26,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 21:40:26,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 21:40:26,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 21:40:26,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 21:40:26,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 21:40:26,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 21:40:26,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 21:40:26,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 21:40:26,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 21:40:26,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 21:40:26,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 21:40:26,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:40:26,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 21:40:26,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 21:40:26,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 21:40:26,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 21:40:26,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 21:40:26,526 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 21:40:26,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 21:40:26,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 21:40:26,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 21:40:26,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-22 21:40:26,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 21:40:26,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 21:40:26,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 21:40:26,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 21:40:26,747 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 21:40:26,748 INFO L432 ainManager$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 [2021-11-22 21:40:26,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54a48636/2372513ea26e49bd929ea2d66bf324a2/FLAG7ce6e2cfe [2021-11-22 21:40:27,686 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 21:40:27,687 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 [2021-11-22 21:40:27,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54a48636/2372513ea26e49bd929ea2d66bf324a2/FLAG7ce6e2cfe [2021-11-22 21:40:27,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54a48636/2372513ea26e49bd929ea2d66bf324a2 [2021-11-22 21:40:27,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 21:40:27,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 21:40:27,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 21:40:27,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 21:40:27,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 21:40:27,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:40:27" (1/1) ... [2021-11-22 21:40:27,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1c57da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:27, skipping insertion in model container [2021-11-22 21:40:27,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:40:27" (1/1) ... [2021-11-22 21:40:27,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 21:40:28,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 21:40:35,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-22 21:40:35,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:40:35,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 21:40:36,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-22 21:40:36,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:40:37,015 INFO L208 MainTranslator]: Completed translation [2021-11-22 21:40:37,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37 WrapperNode [2021-11-22 21:40:37,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 21:40:37,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 21:40:37,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 21:40:37,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 21:40:37,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:37,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:38,142 INFO L137 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 2855, calls inlined = 4804, statements flattened = 48997 [2021-11-22 21:40:38,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 21:40:38,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 21:40:38,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 21:40:38,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 21:40:38,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:38,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:38,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:38,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:39,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:39,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:39,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:39,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 21:40:39,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 21:40:39,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 21:40:39,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 21:40:39,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (1/1) ... [2021-11-22 21:40:39,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:40:39,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 21:40:39,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 21:40:39,921 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 [2021-11-22 21:40:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-22 21:40:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-22 21:40:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-22 21:40:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-22 21:40:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-22 21:40:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-22 21:40:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-22 21:40:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-22 21:40:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-22 21:40:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-22 21:40:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-22 21:40:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-22 21:40:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-22 21:40:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-22 21:40:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-22 21:40:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-22 21:40:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-22 21:40:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 21:40:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-22 21:40:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-22 21:40:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-22 21:40:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-22 21:40:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-22 21:40:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-22 21:40:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-22 21:40:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-22 21:40:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 21:40:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-22 21:40:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-22 21:40:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-22 21:40:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-22 21:40:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 21:40:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-22 21:40:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-22 21:40:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 21:40:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 21:40:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-22 21:40:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-22 21:40:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-22 21:40:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-22 21:40:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-22 21:40:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-22 21:40:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-22 21:40:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-22 21:40:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 21:40:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 21:40:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-22 21:40:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-22 21:40:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-22 21:40:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-22 21:40:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 21:40:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-22 21:40:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-22 21:40:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-22 21:40:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-22 21:40:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-22 21:40:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-22 21:40:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 21:40:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-22 21:40:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 21:40:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-22 21:40:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-22 21:40:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-22 21:40:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-22 21:40:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-22 21:40:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-22 21:40:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-22 21:40:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-22 21:40:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-22 21:40:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 21:40:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-22 21:40:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-22 21:40:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-22 21:40:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-22 21:40:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-22 21:40:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-22 21:40:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-22 21:40:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-22 21:40:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-22 21:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-22 21:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-22 21:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-22 21:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-22 21:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-22 21:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-22 21:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-22 21:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-22 21:40:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-22 21:40:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-22 21:40:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-22 21:40:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-22 21:40:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-22 21:40:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 21:40:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-22 21:40:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-22 21:40:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 21:40:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 21:40:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-22 21:40:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-22 21:40:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-22 21:40:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-22 21:40:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-22 21:40:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-22 21:40:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-22 21:40:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-22 21:40:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-22 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-22 21:40:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-22 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-22 21:40:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 21:40:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 21:40:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-22 21:40:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-22 21:40:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-22 21:40:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-22 21:40:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-22 21:40:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-22 21:40:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-22 21:40:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-22 21:40:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-22 21:40:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-22 21:40:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-22 21:40:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-22 21:40:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-22 21:40:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 21:40:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-22 21:40:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-22 21:40:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-22 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-22 21:40:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-22 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-22 21:40:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-22 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-22 21:40:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-22 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-22 21:40:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-22 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-22 21:40:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-22 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-22 21:40:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-22 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-22 21:40:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-22 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-22 21:40:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 21:40:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-22 21:40:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-22 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-22 21:40:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-22 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-22 21:40:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-22 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-22 21:40:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-22 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-22 21:40:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-22 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-22 21:40:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-22 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-22 21:40:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-22 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-22 21:40:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-22 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-22 21:40:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-22 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-22 21:40:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-22 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-22 21:40:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-22 21:40:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-22 21:40:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-22 21:40:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-22 21:40:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 21:40:41,742 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 21:40:41,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 21:41:44,056 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 21:41:44,101 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 21:41:44,101 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 21:41:44,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:44 BoogieIcfgContainer [2021-11-22 21:41:44,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 21:41:44,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 21:41:44,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 21:41:44,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 21:41:44,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:40:27" (1/3) ... [2021-11-22 21:41:44,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaaf8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:41:44, skipping insertion in model container [2021-11-22 21:41:44,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:37" (2/3) ... [2021-11-22 21:41:44,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaaf8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:41:44, skipping insertion in model container [2021-11-22 21:41:44,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:44" (3/3) ... [2021-11-22 21:41:44,124 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-22 21:41:44,128 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 21:41:44,128 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 264 error locations. [2021-11-22 21:41:44,191 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 21:41:44,196 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 [2021-11-22 21:41:44,197 INFO L340 AbstractCegarLoop]: Starting to check reachability of 264 error locations. [2021-11-22 21:41:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 9713 states, 9236 states have (on average 1.3077089649198788) internal successors, (12078), 9536 states have internal predecessors, (12078), 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) [2021-11-22 21:41:44,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 21:41:44,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:44,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:44,317 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)] === [2021-11-22 21:41:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:44,324 INFO L85 PathProgramCache]: Analyzing trace with hash 784731322, now seen corresponding path program 1 times [2021-11-22 21:41:44,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:44,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397150335] [2021-11-22 21:41:44,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:44,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:41:45,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:45,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397150335] [2021-11-22 21:41:45,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397150335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:45,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:45,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:45,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523594079] [2021-11-22 21:41:45,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:45,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:45,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:45,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:45,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:45,161 INFO L87 Difference]: Start difference. First operand has 9713 states, 9236 states have (on average 1.3077089649198788) internal successors, (12078), 9536 states have internal predecessors, (12078), 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 2.3333333333333335) 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) [2021-11-22 21:41:47,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:41:47,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:47,966 INFO L93 Difference]: Finished difference Result 27302 states and 35230 transitions. [2021-11-22 21:41:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:47,969 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 [2021-11-22 21:41:47,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:48,060 INFO L225 Difference]: With dead ends: 27302 [2021-11-22 21:41:48,061 INFO L226 Difference]: Without dead ends: 17439 [2021-11-22 21:41:48,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:48,150 INFO L933 BasicCegarLoop]: 14243 mSDtfsCounter, 11084 mSDsluCounter, 10986 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11084 SdHoareTripleChecker+Valid, 25229 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 21:41:48,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11084 Valid, 25229 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 21:41:48,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17439 states. [2021-11-22 21:41:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17439 to 17009. [2021-11-22 21:41:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17009 states, 16334 states have (on average 1.2802742745194073) internal successors, (20912), 16661 states have internal predecessors, (20912), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-22 21:41:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17009 states to 17009 states and 21567 transitions. [2021-11-22 21:41:48,738 INFO L78 Accepts]: Start accepts. Automaton has 17009 states and 21567 transitions. Word has length 7 [2021-11-22 21:41:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:41:48,739 INFO L470 AbstractCegarLoop]: Abstraction has 17009 states and 21567 transitions. [2021-11-22 21:41:48,739 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) [2021-11-22 21:41:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 17009 states and 21567 transitions. [2021-11-22 21:41:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 21:41:48,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:48,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:48,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 21:41:48,742 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)] === [2021-11-22 21:41:48,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:48,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1443107916, now seen corresponding path program 1 times [2021-11-22 21:41:48,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:48,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434251893] [2021-11-22 21:41:48,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:48,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:41:49,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:49,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434251893] [2021-11-22 21:41:49,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434251893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:49,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:49,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:49,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717266358] [2021-11-22 21:41:49,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:49,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:49,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:49,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:49,240 INFO L87 Difference]: Start difference. First operand 17009 states and 21567 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) [2021-11-22 21:41:51,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:41:51,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:51,779 INFO L93 Difference]: Finished difference Result 17009 states and 21567 transitions. [2021-11-22 21:41:51,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:51,780 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 [2021-11-22 21:41:51,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:51,866 INFO L225 Difference]: With dead ends: 17009 [2021-11-22 21:41:51,867 INFO L226 Difference]: Without dead ends: 17007 [2021-11-22 21:41:51,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:51,882 INFO L933 BasicCegarLoop]: 11624 mSDtfsCounter, 11619 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11619 SdHoareTripleChecker+Valid, 11624 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:41:51,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11619 Valid, 11624 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 21:41:51,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17007 states. [2021-11-22 21:41:52,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17007 to 17007. [2021-11-22 21:41:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17007 states, 16333 states have (on average 1.280230208779771) internal successors, (20910), 16659 states have internal predecessors, (20910), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-22 21:41:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17007 states to 17007 states and 21565 transitions. [2021-11-22 21:41:52,432 INFO L78 Accepts]: Start accepts. Automaton has 17007 states and 21565 transitions. Word has length 8 [2021-11-22 21:41:52,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:41:52,433 INFO L470 AbstractCegarLoop]: Abstraction has 17007 states and 21565 transitions. [2021-11-22 21:41:52,433 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) [2021-11-22 21:41:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 17007 states and 21565 transitions. [2021-11-22 21:41:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 21:41:52,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:52,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:52,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 21:41:52,435 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)] === [2021-11-22 21:41:52,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:52,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1786647547, now seen corresponding path program 1 times [2021-11-22 21:41:52,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:52,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945258430] [2021-11-22 21:41:52,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:52,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:41:52,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:52,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945258430] [2021-11-22 21:41:52,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945258430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:52,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:52,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:52,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679124429] [2021-11-22 21:41:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:52,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:52,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:52,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:52,833 INFO L87 Difference]: Start difference. First operand 17007 states and 21565 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) [2021-11-22 21:41:54,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:41:55,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:55,371 INFO L93 Difference]: Finished difference Result 17007 states and 21565 transitions. [2021-11-22 21:41:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:55,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-22 21:41:55,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:55,432 INFO L225 Difference]: With dead ends: 17007 [2021-11-22 21:41:55,432 INFO L226 Difference]: Without dead ends: 17003 [2021-11-22 21:41:55,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:55,450 INFO L933 BasicCegarLoop]: 11619 mSDtfsCounter, 11605 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11605 SdHoareTripleChecker+Valid, 11624 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:41:55,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11605 Valid, 11624 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:41:55,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17003 states. [2021-11-22 21:41:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17003 to 17003. [2021-11-22 21:41:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17003 states, 16331 states have (on average 1.2800808278733697) internal successors, (20905), 16655 states have internal predecessors, (20905), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-22 21:41:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17003 states to 17003 states and 21560 transitions. [2021-11-22 21:41:55,963 INFO L78 Accepts]: Start accepts. Automaton has 17003 states and 21560 transitions. Word has length 9 [2021-11-22 21:41:55,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:41:55,963 INFO L470 AbstractCegarLoop]: Abstraction has 17003 states and 21560 transitions. [2021-11-22 21:41:55,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:41:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 17003 states and 21560 transitions. [2021-11-22 21:41:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 21:41:55,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:55,964 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:55,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 21:41:55,965 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)] === [2021-11-22 21:41:55,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:55,965 INFO L85 PathProgramCache]: Analyzing trace with hash 448525791, now seen corresponding path program 1 times [2021-11-22 21:41:55,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:55,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127192967] [2021-11-22 21:41:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:55,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:41:56,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:56,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127192967] [2021-11-22 21:41:56,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127192967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:56,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:56,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:56,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023306290] [2021-11-22 21:41:56,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:56,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:56,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:56,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:56,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:56,356 INFO L87 Difference]: Start difference. First operand 17003 states and 21560 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:41:58,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:41:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:59,787 INFO L93 Difference]: Finished difference Result 40743 states and 53053 transitions. [2021-11-22 21:41:59,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:59,787 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 [2021-11-22 21:41:59,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:59,893 INFO L225 Difference]: With dead ends: 40743 [2021-11-22 21:41:59,894 INFO L226 Difference]: Without dead ends: 23743 [2021-11-22 21:42:00,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:00,009 INFO L933 BasicCegarLoop]: 11869 mSDtfsCounter, 4627 mSDsluCounter, 11492 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4627 SdHoareTripleChecker+Valid, 23361 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:00,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4627 Valid, 23361 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 21:42:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23743 states. [2021-11-22 21:42:00,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23743 to 22723. [2021-11-22 21:42:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22723 states, 21646 states have (on average 1.2693338261110598) internal successors, (27476), 22032 states have internal predecessors, (27476), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-22 21:42:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22723 states to 22723 states and 29515 transitions. [2021-11-22 21:42:00,789 INFO L78 Accepts]: Start accepts. Automaton has 22723 states and 29515 transitions. Word has length 10 [2021-11-22 21:42:00,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:00,789 INFO L470 AbstractCegarLoop]: Abstraction has 22723 states and 29515 transitions. [2021-11-22 21:42:00,790 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) [2021-11-22 21:42:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 22723 states and 29515 transitions. [2021-11-22 21:42:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 21:42:00,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:00,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:00,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 21:42:00,791 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:00,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1019422544, now seen corresponding path program 1 times [2021-11-22 21:42:00,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:00,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31060275] [2021-11-22 21:42:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:00,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:01,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:01,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31060275] [2021-11-22 21:42:01,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31060275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:01,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:01,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:01,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135769229] [2021-11-22 21:42:01,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:01,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:01,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:01,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:01,193 INFO L87 Difference]: Start difference. First operand 22723 states and 29515 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) [2021-11-22 21:42:03,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:03,858 INFO L93 Difference]: Finished difference Result 22723 states and 29515 transitions. [2021-11-22 21:42:03,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:03,859 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 [2021-11-22 21:42:03,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:03,942 INFO L225 Difference]: With dead ends: 22723 [2021-11-22 21:42:03,942 INFO L226 Difference]: Without dead ends: 22719 [2021-11-22 21:42:03,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:03,961 INFO L933 BasicCegarLoop]: 11615 mSDtfsCounter, 11560 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11560 SdHoareTripleChecker+Valid, 11659 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:03,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11560 Valid, 11659 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:42:03,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22719 states. [2021-11-22 21:42:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22719 to 22719. [2021-11-22 21:42:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22719 states, 21644 states have (on average 1.2691277028275734) internal successors, (27469), 22028 states have internal predecessors, (27469), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-22 21:42:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22719 states to 22719 states and 29508 transitions. [2021-11-22 21:42:04,748 INFO L78 Accepts]: Start accepts. Automaton has 22719 states and 29508 transitions. Word has length 11 [2021-11-22 21:42:04,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:04,749 INFO L470 AbstractCegarLoop]: Abstraction has 22719 states and 29508 transitions. [2021-11-22 21:42:04,749 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) [2021-11-22 21:42:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 22719 states and 29508 transitions. [2021-11-22 21:42:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 21:42:04,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:04,750 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:04,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 21:42:04,751 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:04,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:04,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1537352714, now seen corresponding path program 1 times [2021-11-22 21:42:04,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:04,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398540803] [2021-11-22 21:42:04,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:04,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:05,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:05,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398540803] [2021-11-22 21:42:05,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398540803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:05,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:05,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:05,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391845317] [2021-11-22 21:42:05,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:05,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:05,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:05,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:05,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:05,092 INFO L87 Difference]: Start difference. First operand 22719 states and 29508 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) [2021-11-22 21:42:07,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:09,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:09,048 INFO L93 Difference]: Finished difference Result 22719 states and 29508 transitions. [2021-11-22 21:42:09,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:09,049 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 [2021-11-22 21:42:09,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:09,121 INFO L225 Difference]: With dead ends: 22719 [2021-11-22 21:42:09,121 INFO L226 Difference]: Without dead ends: 22521 [2021-11-22 21:42:09,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:09,142 INFO L933 BasicCegarLoop]: 11320 mSDtfsCounter, 9316 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 196 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9316 SdHoareTripleChecker+Valid, 13021 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:09,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9316 Valid, 13021 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 393 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-22 21:42:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22521 states. [2021-11-22 21:42:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22521 to 22521. [2021-11-22 21:42:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22521 states, 21545 states have (on average 1.2600603388257137) internal successors, (27148), 21830 states have internal predecessors, (27148), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-22 21:42:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22521 states to 22521 states and 29187 transitions. [2021-11-22 21:42:09,864 INFO L78 Accepts]: Start accepts. Automaton has 22521 states and 29187 transitions. Word has length 12 [2021-11-22 21:42:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:09,865 INFO L470 AbstractCegarLoop]: Abstraction has 22521 states and 29187 transitions. [2021-11-22 21:42:09,865 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) [2021-11-22 21:42:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 22521 states and 29187 transitions. [2021-11-22 21:42:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 21:42:09,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:09,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:09,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 21:42:09,869 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:09,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:09,869 INFO L85 PathProgramCache]: Analyzing trace with hash 413318811, now seen corresponding path program 1 times [2021-11-22 21:42:09,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:09,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724417438] [2021-11-22 21:42:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:09,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:10,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:10,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724417438] [2021-11-22 21:42:10,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724417438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:10,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:10,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:10,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090332780] [2021-11-22 21:42:10,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:10,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:10,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:10,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:10,215 INFO L87 Difference]: Start difference. First operand 22521 states and 29187 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) [2021-11-22 21:42:12,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:12,730 INFO L93 Difference]: Finished difference Result 22521 states and 29187 transitions. [2021-11-22 21:42:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:12,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-22 21:42:12,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:12,803 INFO L225 Difference]: With dead ends: 22521 [2021-11-22 21:42:12,804 INFO L226 Difference]: Without dead ends: 22519 [2021-11-22 21:42:12,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:12,824 INFO L933 BasicCegarLoop]: 11416 mSDtfsCounter, 11406 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11406 SdHoareTripleChecker+Valid, 11416 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:12,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11406 Valid, 11416 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 21:42:12,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22519 states. [2021-11-22 21:42:13,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22519 to 22519. [2021-11-22 21:42:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22519 states, 21544 states have (on average 1.2600259933160045) internal successors, (27146), 21828 states have internal predecessors, (27146), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-22 21:42:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22519 states to 22519 states and 29185 transitions. [2021-11-22 21:42:13,602 INFO L78 Accepts]: Start accepts. Automaton has 22519 states and 29185 transitions. Word has length 13 [2021-11-22 21:42:13,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:13,603 INFO L470 AbstractCegarLoop]: Abstraction has 22519 states and 29185 transitions. [2021-11-22 21:42:13,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 22519 states and 29185 transitions. [2021-11-22 21:42:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 21:42:13,607 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:13,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:13,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 21:42:13,607 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash -71993803, now seen corresponding path program 1 times [2021-11-22 21:42:13,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:13,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288350784] [2021-11-22 21:42:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:13,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:13,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:13,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288350784] [2021-11-22 21:42:13,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288350784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:13,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:13,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:13,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794409679] [2021-11-22 21:42:13,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:13,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:13,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:13,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:13,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:13,931 INFO L87 Difference]: Start difference. First operand 22519 states and 29185 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:16,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:17,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:17,400 INFO L93 Difference]: Finished difference Result 67359 states and 91680 transitions. [2021-11-22 21:42:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:17,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 21:42:17,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:17,602 INFO L225 Difference]: With dead ends: 67359 [2021-11-22 21:42:17,603 INFO L226 Difference]: Without dead ends: 44843 [2021-11-22 21:42:17,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:17,822 INFO L933 BasicCegarLoop]: 13896 mSDtfsCounter, 11504 mSDsluCounter, 11336 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11504 SdHoareTripleChecker+Valid, 25232 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:17,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11504 Valid, 25232 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:42:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44843 states. [2021-11-22 21:42:19,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44843 to 43582. [2021-11-22 21:42:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43582 states, 41803 states have (on average 1.260603305982824) internal successors, (52697), 42208 states have internal predecessors, (52697), 1034 states have call successors, (1034), 592 states have call predecessors, (1034), 588 states have return successors, (4418), 872 states have call predecessors, (4418), 1034 states have call successors, (4418) [2021-11-22 21:42:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43582 states to 43582 states and 58149 transitions. [2021-11-22 21:42:19,663 INFO L78 Accepts]: Start accepts. Automaton has 43582 states and 58149 transitions. Word has length 14 [2021-11-22 21:42:19,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:19,664 INFO L470 AbstractCegarLoop]: Abstraction has 43582 states and 58149 transitions. [2021-11-22 21:42:19,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 43582 states and 58149 transitions. [2021-11-22 21:42:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 21:42:19,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:19,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:19,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 21:42:19,665 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:19,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:19,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2063184358, now seen corresponding path program 1 times [2021-11-22 21:42:19,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:19,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51401344] [2021-11-22 21:42:19,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:19,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:20,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:20,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51401344] [2021-11-22 21:42:20,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51401344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:20,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:20,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:20,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104422906] [2021-11-22 21:42:20,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:20,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:20,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:20,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:20,010 INFO L87 Difference]: Start difference. First operand 43582 states and 58149 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:22,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:23,199 INFO L93 Difference]: Finished difference Result 43582 states and 58149 transitions. [2021-11-22 21:42:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:23,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-22 21:42:23,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:23,336 INFO L225 Difference]: With dead ends: 43582 [2021-11-22 21:42:23,337 INFO L226 Difference]: Without dead ends: 43580 [2021-11-22 21:42:23,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:23,377 INFO L933 BasicCegarLoop]: 11412 mSDtfsCounter, 11400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11400 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:23,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11400 Valid, 11412 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 21:42:23,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43580 states. [2021-11-22 21:42:24,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43580 to 43580. [2021-11-22 21:42:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43580 states, 41802 states have (on average 1.2605856179130186) internal successors, (52695), 42206 states have internal predecessors, (52695), 1034 states have call successors, (1034), 592 states have call predecessors, (1034), 588 states have return successors, (4418), 872 states have call predecessors, (4418), 1034 states have call successors, (4418) [2021-11-22 21:42:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43580 states to 43580 states and 58147 transitions. [2021-11-22 21:42:24,829 INFO L78 Accepts]: Start accepts. Automaton has 43580 states and 58147 transitions. Word has length 15 [2021-11-22 21:42:24,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:24,829 INFO L470 AbstractCegarLoop]: Abstraction has 43580 states and 58147 transitions. [2021-11-22 21:42:24,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 43580 states and 58147 transitions. [2021-11-22 21:42:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 21:42:24,830 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:24,830 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:24,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 21:42:24,831 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:24,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash -465769376, now seen corresponding path program 1 times [2021-11-22 21:42:24,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:24,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605591796] [2021-11-22 21:42:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:24,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:25,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:25,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605591796] [2021-11-22 21:42:25,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605591796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:25,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:25,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:25,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734658285] [2021-11-22 21:42:25,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:25,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:25,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:25,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:25,205 INFO L87 Difference]: Start difference. First operand 43580 states and 58147 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:27,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:30,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:30,198 INFO L93 Difference]: Finished difference Result 128258 states and 183810 transitions. [2021-11-22 21:42:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:30,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-22 21:42:30,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:30,597 INFO L225 Difference]: With dead ends: 128258 [2021-11-22 21:42:30,597 INFO L226 Difference]: Without dead ends: 84681 [2021-11-22 21:42:31,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:31,020 INFO L933 BasicCegarLoop]: 13744 mSDtfsCounter, 11376 mSDsluCounter, 11333 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11376 SdHoareTripleChecker+Valid, 25077 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:31,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11376 Valid, 25077 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:42:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84681 states. [2021-11-22 21:42:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84681 to 82935. [2021-11-22 21:42:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82935 states, 79622 states have (on average 1.2634070985406043) internal successors, (100595), 80259 states have internal predecessors, (100595), 2014 states have call successors, (2014), 1156 states have call predecessors, (2014), 1144 states have return successors, (12550), 1662 states have call predecessors, (12550), 2014 states have call successors, (12550) [2021-11-22 21:42:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82935 states to 82935 states and 115159 transitions. [2021-11-22 21:42:35,533 INFO L78 Accepts]: Start accepts. Automaton has 82935 states and 115159 transitions. Word has length 16 [2021-11-22 21:42:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:35,534 INFO L470 AbstractCegarLoop]: Abstraction has 82935 states and 115159 transitions. [2021-11-22 21:42:35,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 82935 states and 115159 transitions. [2021-11-22 21:42:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 21:42:35,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:35,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:35,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 21:42:35,536 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1553923791, now seen corresponding path program 1 times [2021-11-22 21:42:35,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:35,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409193370] [2021-11-22 21:42:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:35,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:36,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:36,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409193370] [2021-11-22 21:42:36,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409193370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:36,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:36,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:36,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894781364] [2021-11-22 21:42:36,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:36,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:36,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:36,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:36,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:36,390 INFO L87 Difference]: Start difference. First operand 82935 states and 115159 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:38,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:40,804 INFO L93 Difference]: Finished difference Result 82935 states and 115159 transitions. [2021-11-22 21:42:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:40,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-22 21:42:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:41,054 INFO L225 Difference]: With dead ends: 82935 [2021-11-22 21:42:41,055 INFO L226 Difference]: Without dead ends: 82933 [2021-11-22 21:42:41,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:41,092 INFO L933 BasicCegarLoop]: 11408 mSDtfsCounter, 11394 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11394 SdHoareTripleChecker+Valid, 11408 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:41,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11394 Valid, 11408 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:42:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82933 states. [2021-11-22 21:42:44,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82933 to 82933. [2021-11-22 21:42:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82933 states, 79621 states have (on average 1.2633978473015912) internal successors, (100593), 80257 states have internal predecessors, (100593), 2014 states have call successors, (2014), 1156 states have call predecessors, (2014), 1144 states have return successors, (12550), 1662 states have call predecessors, (12550), 2014 states have call successors, (12550) [2021-11-22 21:42:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82933 states to 82933 states and 115157 transitions. [2021-11-22 21:42:44,671 INFO L78 Accepts]: Start accepts. Automaton has 82933 states and 115157 transitions. Word has length 17 [2021-11-22 21:42:44,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:44,671 INFO L470 AbstractCegarLoop]: Abstraction has 82933 states and 115157 transitions. [2021-11-22 21:42:44,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 21:42:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 82933 states and 115157 transitions. [2021-11-22 21:42:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 21:42:44,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:44,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:44,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 21:42:44,673 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-22 21:42:44,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash -926972277, now seen corresponding path program 1 times [2021-11-22 21:42:44,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:44,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750098630] [2021-11-22 21:42:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:44,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:42:45,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:45,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750098630] [2021-11-22 21:42:45,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750098630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:45,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:45,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:45,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707337582] [2021-11-22 21:42:45,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:45,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:45,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:45,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:45,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:45,242 INFO L87 Difference]: Start difference. First operand 82933 states and 115157 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 21:42:47,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:49,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:49,831 INFO L93 Difference]: Finished difference Result 82933 states and 115157 transitions. [2021-11-22 21:42:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:49,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-22 21:42:49,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:50,088 INFO L225 Difference]: With dead ends: 82933 [2021-11-22 21:42:50,089 INFO L226 Difference]: Without dead ends: 82919 [2021-11-22 21:42:50,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:50,127 INFO L933 BasicCegarLoop]: 11407 mSDtfsCounter, 11391 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11391 SdHoareTripleChecker+Valid, 11407 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:50,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11391 Valid, 11407 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 21:42:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82919 states.