./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 21:40:27,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 21:40:27,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 21:40:27,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 21:40:27,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 21:40:27,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 21:40:27,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 21:40:27,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 21:40:27,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 21:40:27,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 21:40:27,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 21:40:27,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 21:40:27,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 21:40:27,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 21:40:27,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 21:40:27,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 21:40:27,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 21:40:27,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 21:40:27,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 21:40:27,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 21:40:27,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 21:40:27,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 21:40:27,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 21:40:27,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 21:40:27,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 21:40:27,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 21:40:27,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 21:40:27,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 21:40:27,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 21:40:27,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 21:40:27,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 21:40:27,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 21:40:27,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 21:40:27,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 21:40:27,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 21:40:27,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 21:40:27,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 21:40:27,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 21:40:27,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 21:40:27,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 21:40:27,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 21:40:27,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 21:40:27,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 21:40:27,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 21:40:27,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 21:40:27,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 21:40:27,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 21:40:27,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 21:40:27,281 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 21:40:27,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 21:40:27,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 21:40:27,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 21:40:27,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 21:40:27,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 21:40:27,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 21:40:27,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 21:40:27,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 21:40:27,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 21:40:27,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 21:40:27,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 21:40:27,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 21:40:27,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:40:27,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 21:40:27,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 21:40:27,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 21:40:27,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 21:40:27,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 21:40:27,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 21:40:27,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 21:40:27,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 21:40:27,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 21:40:27,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2021-11-22 21:40:27,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 21:40:27,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 21:40:27,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 21:40:27,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 21:40:27,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 21:40:27,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-22 21:40:27,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52289b376/fca00c0e6e3340a0aff148716775a591/FLAGcb11239b8 [2021-11-22 21:40:28,218 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 21:40:28,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-22 21:40:28,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52289b376/fca00c0e6e3340a0aff148716775a591/FLAGcb11239b8 [2021-11-22 21:40:28,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52289b376/fca00c0e6e3340a0aff148716775a591 [2021-11-22 21:40:28,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 21:40:28,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 21:40:28,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 21:40:28,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 21:40:28,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 21:40:28,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:40:28" (1/1) ... [2021-11-22 21:40:28,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bc7d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:28, skipping insertion in model container [2021-11-22 21:40:28,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:40:28" (1/1) ... [2021-11-22 21:40:28,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 21:40:28,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 21:40:36,515 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/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-22 21:40:37,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:40:37,052 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 21:40:37,697 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/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-22 21:40:37,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:40:38,067 INFO L208 MainTranslator]: Completed translation [2021-11-22 21:40:38,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38 WrapperNode [2021-11-22 21:40:38,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 21:40:38,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 21:40:38,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 21:40:38,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 21:40:38,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:38,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:39,098 INFO L137 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 2855, calls inlined = 5628, statements flattened = 56339 [2021-11-22 21:40:39,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 21:40:39,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 21:40:39,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 21:40:39,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 21:40:39,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:39,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:39,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:39,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:40,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:40,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:40,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:40,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 21:40:40,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 21:40:40,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 21:40:40,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 21:40:40,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (1/1) ... [2021-11-22 21:40:40,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:40:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 21:40:41,014 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 21:40:41,056 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 21:40:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-22 21:40:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-22 21:40:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-22 21:40:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-22 21:40:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-22 21:40:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-22 21:40:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-22 21:40:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-22 21:40:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-22 21:40:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-22 21:40:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-22 21:40:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-22 21:40:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-22 21:40:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-22 21:40:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-22 21:40:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-22 21:40:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-22 21:40:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 21:40:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-22 21:40:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-22 21:40:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-22 21:40:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-22 21:40:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-22 21:40:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-22 21:40:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-22 21:40:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-22 21:40:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 21:40:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-22 21:40:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-22 21:40:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-22 21:40:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-22 21:40:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 21:40:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-22 21:40:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-22 21:40:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 21:40:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 21:40:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-22 21:40:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-22 21:40:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-22 21:40:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-22 21:40:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-22 21:40:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-22 21:40:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-22 21:40:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-22 21:40:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 21:40:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 21:40:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-22 21:40:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-22 21:40:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-22 21:40:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-22 21:40:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 21:40:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-22 21:40:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-22 21:40:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-22 21:40:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-22 21:40:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-22 21:40:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-22 21:40:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 21:40:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-22 21:40:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 21:40:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-22 21:40:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-22 21:40:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-22 21:40:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-22 21:40:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-22 21:40:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-22 21:40:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-22 21:40:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-22 21:40:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-22 21:40:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 21:40:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-22 21:40:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-22 21:40:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-22 21:40:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-22 21:40:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-22 21:40:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-22 21:40:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-22 21:40:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-22 21:40:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-22 21:40:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-22 21:40:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-22 21:40:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-22 21:40:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-22 21:40:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-22 21:40:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-22 21:40:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-22 21:40:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-22 21:40:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-22 21:40:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-22 21:40:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-22 21:40:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-22 21:40:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-22 21:40:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 21:40:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-22 21:40:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-22 21:40:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 21:40:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 21:40:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-22 21:40:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-22 21:40:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-22 21:40:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-22 21:40:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-22 21:40:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-22 21:40:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-22 21:40:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-22 21:40:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-22 21:40:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-22 21:40:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-22 21:40:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-22 21:40:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 21:40:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 21:40:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 21:40:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 21:40:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-22 21:40:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-22 21:40:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-22 21:40:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-22 21:40:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-22 21:40:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-22 21:40:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-22 21:40:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-22 21:40:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-22 21:40:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-22 21:40:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-22 21:40:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-22 21:40:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-22 21:40:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 21:40:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-22 21:40:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-22 21:40:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-22 21:40:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-22 21:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-22 21:40:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-22 21:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-22 21:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-22 21:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-22 21:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-22 21:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-22 21:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-22 21:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-22 21:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-22 21:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-22 21:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-22 21:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-22 21:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-22 21:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 21:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-22 21:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-22 21:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-22 21:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-22 21:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-22 21:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-22 21:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-22 21:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-22 21:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-22 21:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-22 21:40:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-22 21:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-22 21:40:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-22 21:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-22 21:40:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-22 21:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-22 21:40:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-22 21:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-22 21:40:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-22 21:40:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-22 21:40:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-22 21:40:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-22 21:40:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-22 21:40:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-22 21:40:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-22 21:40:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 21:40:42,851 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 21:40:42,852 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 21:41:50,550 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 21:41:50,587 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 21:41:50,587 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 21:41:50,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:50 BoogieIcfgContainer [2021-11-22 21:41:50,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 21:41:50,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 21:41:50,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 21:41:50,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 21:41:50,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:40:28" (1/3) ... [2021-11-22 21:41:50,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ffa30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:41:50, skipping insertion in model container [2021-11-22 21:41:50,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:38" (2/3) ... [2021-11-22 21:41:50,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ffa30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:41:50, skipping insertion in model container [2021-11-22 21:41:50,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:50" (3/3) ... [2021-11-22 21:41:50,604 INFO L111 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-22 21:41:50,608 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 21:41:50,608 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 281 error locations. [2021-11-22 21:41:50,676 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 21:41:50,682 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 21:41:50,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 281 error locations. [2021-11-22 21:41:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 11007 states, 10502 states have (on average 1.299847648067035) internal successors, (13651), 10822 states have internal predecessors, (13651), 148 states have call successors, (148), 75 states have call predecessors, (148), 75 states have return successors, (148), 127 states have call predecessors, (148), 148 states have call successors, (148) [2021-11-22 21:41:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 21:41:50,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:50,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:50,797 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:41:50,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:50,800 INFO L85 PathProgramCache]: Analyzing trace with hash 492269013, now seen corresponding path program 1 times [2021-11-22 21:41:50,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:50,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24533646] [2021-11-22 21:41:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:50,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:51,552 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 21:41:51,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:51,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24533646] [2021-11-22 21:41:51,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24533646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:51,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:51,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:51,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688370100] [2021-11-22 21:41:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:51,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:51,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:51,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:51,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:51,608 INFO L87 Difference]: Start difference. First operand has 11007 states, 10502 states have (on average 1.299847648067035) internal successors, (13651), 10822 states have internal predecessors, (13651), 148 states have call successors, (148), 75 states have call predecessors, (148), 75 states have return successors, (148), 127 states have call predecessors, (148), 148 states have call successors, (148) Second operand has 3 states, 3 states have (on average 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 21:41:52,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:41:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:53,433 INFO L93 Difference]: Finished difference Result 29867 states and 38406 transitions. [2021-11-22 21:41:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:53,436 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 21:41:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:53,542 INFO L225 Difference]: With dead ends: 29867 [2021-11-22 21:41:53,543 INFO L226 Difference]: Without dead ends: 18710 [2021-11-22 21:41:53,624 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 21:41:53,627 INFO L933 BasicCegarLoop]: 13794 mSDtfsCounter, 12619 mSDsluCounter, 10986 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12619 SdHoareTripleChecker+Valid, 24780 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:41:53,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12619 Valid, 24780 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 21:41:53,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18710 states. [2021-11-22 21:41:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18710 to 18280. [2021-11-22 21:41:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18280 states, 17577 states have (on average 1.2754167377823291) internal successors, (22418), 17924 states have internal predecessors, (22418), 275 states have call successors, (275), 148 states have call predecessors, (275), 148 states have return successors, (402), 235 states have call predecessors, (402), 275 states have call successors, (402) [2021-11-22 21:41:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18280 states to 18280 states and 23095 transitions. [2021-11-22 21:41:54,170 INFO L78 Accepts]: Start accepts. Automaton has 18280 states and 23095 transitions. Word has length 12 [2021-11-22 21:41:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:41:54,171 INFO L470 AbstractCegarLoop]: Abstraction has 18280 states and 23095 transitions. [2021-11-22 21:41:54,171 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 21:41:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 18280 states and 23095 transitions. [2021-11-22 21:41:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 21:41:54,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:54,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:54,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 21:41:54,174 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:41:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1919501439, now seen corresponding path program 1 times [2021-11-22 21:41:54,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:54,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542435663] [2021-11-22 21:41:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:54,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:54,592 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 21:41:54,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:54,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542435663] [2021-11-22 21:41:54,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542435663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:54,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:54,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:54,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260187511] [2021-11-22 21:41:54,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:54,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:54,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:54,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:54,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:54,597 INFO L87 Difference]: Start difference. First operand 18280 states and 23095 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 21:41:56,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:41:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:56,414 INFO L93 Difference]: Finished difference Result 18280 states and 23095 transitions. [2021-11-22 21:41:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:56,414 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 21:41:56,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:56,470 INFO L225 Difference]: With dead ends: 18280 [2021-11-22 21:41:56,471 INFO L226 Difference]: Without dead ends: 18278 [2021-11-22 21:41:56,483 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 21:41:56,484 INFO L933 BasicCegarLoop]: 13152 mSDtfsCounter, 13142 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13142 SdHoareTripleChecker+Valid, 13152 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-22 21:41:56,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13142 Valid, 13152 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-22 21:41:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18278 states. [2021-11-22 21:41:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18278 to 18278. [2021-11-22 21:41:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18278 states, 17576 states have (on average 1.2753755120619026) internal successors, (22416), 17922 states have internal predecessors, (22416), 275 states have call successors, (275), 148 states have call predecessors, (275), 148 states have return successors, (402), 235 states have call predecessors, (402), 275 states have call successors, (402) [2021-11-22 21:41:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18278 states to 18278 states and 23093 transitions. [2021-11-22 21:41:56,890 INFO L78 Accepts]: Start accepts. Automaton has 18278 states and 23093 transitions. Word has length 13 [2021-11-22 21:41:56,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:41:56,891 INFO L470 AbstractCegarLoop]: Abstraction has 18278 states and 23093 transitions. [2021-11-22 21:41:56,891 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 21:41:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 18278 states and 23093 transitions. [2021-11-22 21:41:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 21:41:56,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:56,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:56,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 21:41:56,892 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:41:56,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:56,893 INFO L85 PathProgramCache]: Analyzing trace with hash 625025888, now seen corresponding path program 1 times [2021-11-22 21:41:56,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:56,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619603879] [2021-11-22 21:41:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:56,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:57,160 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 21:41:57,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:57,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619603879] [2021-11-22 21:41:57,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619603879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:57,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:57,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:57,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626787910] [2021-11-22 21:41:57,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:57,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:57,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:57,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:57,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:57,164 INFO L87 Difference]: Start difference. First operand 18278 states and 23093 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 21:41:58,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:41:58,167 INFO L93 Difference]: Finished difference Result 18278 states and 23093 transitions. [2021-11-22 21:41:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:41:58,168 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 21:41:58,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:41:58,216 INFO L225 Difference]: With dead ends: 18278 [2021-11-22 21:41:58,216 INFO L226 Difference]: Without dead ends: 18274 [2021-11-22 21:41:58,228 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 21:41:58,231 INFO L933 BasicCegarLoop]: 13147 mSDtfsCounter, 13128 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13128 SdHoareTripleChecker+Valid, 13152 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 21:41:58,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13128 Valid, 13152 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 21:41:58,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18274 states. [2021-11-22 21:41:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18274 to 18274. [2021-11-22 21:41:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18274 states, 17574 states have (on average 1.2752361443040856) internal successors, (22411), 17918 states have internal predecessors, (22411), 275 states have call successors, (275), 148 states have call predecessors, (275), 148 states have return successors, (402), 235 states have call predecessors, (402), 275 states have call successors, (402) [2021-11-22 21:41:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18274 states to 18274 states and 23088 transitions. [2021-11-22 21:41:58,831 INFO L78 Accepts]: Start accepts. Automaton has 18274 states and 23088 transitions. Word has length 14 [2021-11-22 21:41:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:41:58,832 INFO L470 AbstractCegarLoop]: Abstraction has 18274 states and 23088 transitions. [2021-11-22 21:41:58,832 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 21:41:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 18274 states and 23088 transitions. [2021-11-22 21:41:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 21:41:58,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:41:58,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:41:58,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 21:41:58,833 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:41:58,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:41:58,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2099005588, now seen corresponding path program 1 times [2021-11-22 21:41:58,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:41:58,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121549416] [2021-11-22 21:41:58,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:41:58,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:41:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:41:59,099 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 21:41:59,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:41:59,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121549416] [2021-11-22 21:41:59,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121549416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:41:59,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:41:59,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:41:59,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248248388] [2021-11-22 21:41:59,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:41:59,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:41:59,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:41:59,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:41:59,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:41:59,101 INFO L87 Difference]: Start difference. First operand 18274 states and 23088 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 21:42:00,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:01,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:01,107 INFO L93 Difference]: Finished difference Result 44544 states and 57665 transitions. [2021-11-22 21:42:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:01,107 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 21:42:01,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:01,200 INFO L225 Difference]: With dead ends: 44544 [2021-11-22 21:42:01,200 INFO L226 Difference]: Without dead ends: 26279 [2021-11-22 21:42:01,292 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 21:42:01,295 INFO L933 BasicCegarLoop]: 13435 mSDtfsCounter, 6161 mSDsluCounter, 13023 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6161 SdHoareTripleChecker+Valid, 26458 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:01,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6161 Valid, 26458 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 21:42:01,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26279 states. [2021-11-22 21:42:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26279 to 25225. [2021-11-22 21:42:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25225 states, 24109 states have (on average 1.263553029988801) internal successors, (30463), 24518 states have internal predecessors, (30463), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-22 21:42:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25225 states to 25225 states and 32568 transitions. [2021-11-22 21:42:01,944 INFO L78 Accepts]: Start accepts. Automaton has 25225 states and 32568 transitions. Word has length 15 [2021-11-22 21:42:01,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:01,945 INFO L470 AbstractCegarLoop]: Abstraction has 25225 states and 32568 transitions. [2021-11-22 21:42:01,945 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 21:42:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25225 states and 32568 transitions. [2021-11-22 21:42:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 21:42:01,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:01,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:01,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 21:42:01,946 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:01,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash -644635413, now seen corresponding path program 1 times [2021-11-22 21:42:01,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:01,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082493669] [2021-11-22 21:42:01,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:01,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:02,229 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 21:42:02,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:02,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082493669] [2021-11-22 21:42:02,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082493669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:02,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:02,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:02,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422153750] [2021-11-22 21:42:02,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:02,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:02,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:02,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:02,231 INFO L87 Difference]: Start difference. First operand 25225 states and 32568 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 21:42:03,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:03,503 INFO L93 Difference]: Finished difference Result 25225 states and 32568 transitions. [2021-11-22 21:42:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:03,503 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 21:42:03,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:03,571 INFO L225 Difference]: With dead ends: 25225 [2021-11-22 21:42:03,571 INFO L226 Difference]: Without dead ends: 25221 [2021-11-22 21:42:03,586 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 21:42:03,587 INFO L933 BasicCegarLoop]: 13143 mSDtfsCounter, 13083 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13083 SdHoareTripleChecker+Valid, 13187 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:03,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13083 Valid, 13187 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 21:42:03,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25221 states. [2021-11-22 21:42:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25221 to 25221. [2021-11-22 21:42:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25221 states, 24107 states have (on average 1.263367486622143) internal successors, (30456), 24514 states have internal predecessors, (30456), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-22 21:42:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25221 states to 25221 states and 32561 transitions. [2021-11-22 21:42:04,470 INFO L78 Accepts]: Start accepts. Automaton has 25221 states and 32561 transitions. Word has length 16 [2021-11-22 21:42:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:04,471 INFO L470 AbstractCegarLoop]: Abstraction has 25221 states and 32561 transitions. [2021-11-22 21:42:04,471 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 21:42:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 25221 states and 32561 transitions. [2021-11-22 21:42:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 21:42:04,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:04,472 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 21:42:04,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 21:42:04,472 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:04,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:04,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1491167063, now seen corresponding path program 1 times [2021-11-22 21:42:04,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:04,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282631795] [2021-11-22 21:42:04,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:04,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:04,775 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 21:42:04,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:04,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282631795] [2021-11-22 21:42:04,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282631795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:04,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:04,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:04,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052645726] [2021-11-22 21:42:04,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:04,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:04,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:04,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:04,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:04,779 INFO L87 Difference]: Start difference. First operand 25221 states and 32561 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 21:42:07,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:07,550 INFO L93 Difference]: Finished difference Result 25221 states and 32561 transitions. [2021-11-22 21:42:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:07,550 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 21:42:07,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:07,621 INFO L225 Difference]: With dead ends: 25221 [2021-11-22 21:42:07,621 INFO L226 Difference]: Without dead ends: 25009 [2021-11-22 21:42:07,637 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 21:42:07,638 INFO L933 BasicCegarLoop]: 12827 mSDtfsCounter, 10688 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10688 SdHoareTripleChecker+Valid, 14634 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:07,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10688 Valid, 14634 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:42:07,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25009 states. [2021-11-22 21:42:08,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25009 to 25009. [2021-11-22 21:42:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25009 states, 24001 states have (on average 1.2546977209282946) internal successors, (30114), 24302 states have internal predecessors, (30114), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-22 21:42:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25009 states to 25009 states and 32219 transitions. [2021-11-22 21:42:08,253 INFO L78 Accepts]: Start accepts. Automaton has 25009 states and 32219 transitions. Word has length 17 [2021-11-22 21:42:08,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:08,254 INFO L470 AbstractCegarLoop]: Abstraction has 25009 states and 32219 transitions. [2021-11-22 21:42:08,254 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 21:42:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 25009 states and 32219 transitions. [2021-11-22 21:42:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 21:42:08,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:08,257 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 21:42:08,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 21:42:08,257 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:08,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1018432906, now seen corresponding path program 1 times [2021-11-22 21:42:08,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:08,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867130949] [2021-11-22 21:42:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:08,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:08,548 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 21:42:08,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:08,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867130949] [2021-11-22 21:42:08,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867130949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:08,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:08,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:08,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709666331] [2021-11-22 21:42:08,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:08,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:08,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:08,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:08,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:08,550 INFO L87 Difference]: Start difference. First operand 25009 states and 32219 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 21:42:09,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:10,517 INFO L93 Difference]: Finished difference Result 25009 states and 32219 transitions. [2021-11-22 21:42:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:10,517 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 21:42:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:10,587 INFO L225 Difference]: With dead ends: 25009 [2021-11-22 21:42:10,587 INFO L226 Difference]: Without dead ends: 25007 [2021-11-22 21:42:10,601 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 21:42:10,602 INFO L933 BasicCegarLoop]: 12930 mSDtfsCounter, 12915 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12915 SdHoareTripleChecker+Valid, 12930 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:10,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12915 Valid, 12930 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 21:42:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25007 states. [2021-11-22 21:42:11,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25007 to 25007. [2021-11-22 21:42:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25007 states, 24000 states have (on average 1.2546666666666666) internal successors, (30112), 24300 states have internal predecessors, (30112), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-22 21:42:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25007 states to 25007 states and 32217 transitions. [2021-11-22 21:42:11,263 INFO L78 Accepts]: Start accepts. Automaton has 25007 states and 32217 transitions. Word has length 18 [2021-11-22 21:42:11,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:11,263 INFO L470 AbstractCegarLoop]: Abstraction has 25007 states and 32217 transitions. [2021-11-22 21:42:11,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21:42:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25007 states and 32217 transitions. [2021-11-22 21:42:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 21:42:11,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:11,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:11,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 21:42:11,267 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:11,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:11,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1506620606, now seen corresponding path program 1 times [2021-11-22 21:42:11,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:11,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429219261] [2021-11-22 21:42:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:11,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:11,565 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 21:42:11,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:11,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429219261] [2021-11-22 21:42:11,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429219261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:11,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:11,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:11,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660758701] [2021-11-22 21:42:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:11,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:11,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:11,567 INFO L87 Difference]: Start difference. First operand 25007 states and 32217 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 21:42:13,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:13,935 INFO L93 Difference]: Finished difference Result 72353 states and 97824 transitions. [2021-11-22 21:42:13,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:13,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-22 21:42:13,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:14,108 INFO L225 Difference]: With dead ends: 72353 [2021-11-22 21:42:14,108 INFO L226 Difference]: Without dead ends: 47355 [2021-11-22 21:42:14,261 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 21:42:14,261 INFO L933 BasicCegarLoop]: 14723 mSDtfsCounter, 13006 mSDsluCounter, 11355 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13006 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:14,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13006 Valid, 26078 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 21:42:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47355 states. [2021-11-22 21:42:15,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47355 to 46091. [2021-11-22 21:42:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46091 states, 44279 states have (on average 1.2576390614060842) internal successors, (55687), 44699 states have internal predecessors, (55687), 1058 states have call successors, (1058), 592 states have call predecessors, (1058), 588 states have return successors, (4470), 898 states have call predecessors, (4470), 1058 states have call successors, (4470) [2021-11-22 21:42:15,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46091 states to 46091 states and 61215 transitions. [2021-11-22 21:42:15,888 INFO L78 Accepts]: Start accepts. Automaton has 46091 states and 61215 transitions. Word has length 19 [2021-11-22 21:42:15,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:15,888 INFO L470 AbstractCegarLoop]: Abstraction has 46091 states and 61215 transitions. [2021-11-22 21:42:15,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 21:42:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 46091 states and 61215 transitions. [2021-11-22 21:42:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 21:42:15,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:15,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:15,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 21:42:15,890 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:15,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:15,891 INFO L85 PathProgramCache]: Analyzing trace with hash 539429889, now seen corresponding path program 1 times [2021-11-22 21:42:15,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:15,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268398017] [2021-11-22 21:42:15,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:15,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:16,136 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 21:42:16,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:16,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268398017] [2021-11-22 21:42:16,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268398017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:16,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:16,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:16,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39013854] [2021-11-22 21:42:16,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:16,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:16,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:16,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:16,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:16,138 INFO L87 Difference]: Start difference. First operand 46091 states and 61215 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 21:42:17,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:17,991 INFO L93 Difference]: Finished difference Result 46091 states and 61215 transitions. [2021-11-22 21:42:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:17,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-22 21:42:17,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:18,099 INFO L225 Difference]: With dead ends: 46091 [2021-11-22 21:42:18,100 INFO L226 Difference]: Without dead ends: 46089 [2021-11-22 21:42:18,124 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 21:42:18,125 INFO L933 BasicCegarLoop]: 12924 mSDtfsCounter, 12907 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12907 SdHoareTripleChecker+Valid, 12924 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:18,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12907 Valid, 12924 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 21:42:18,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46089 states. [2021-11-22 21:42:19,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46089 to 46089. [2021-11-22 21:42:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46089 states, 44278 states have (on average 1.257622295496635) internal successors, (55685), 44697 states have internal predecessors, (55685), 1058 states have call successors, (1058), 592 states have call predecessors, (1058), 588 states have return successors, (4470), 898 states have call predecessors, (4470), 1058 states have call successors, (4470) [2021-11-22 21:42:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46089 states to 46089 states and 61213 transitions. [2021-11-22 21:42:19,498 INFO L78 Accepts]: Start accepts. Automaton has 46089 states and 61213 transitions. Word has length 20 [2021-11-22 21:42:19,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:19,498 INFO L470 AbstractCegarLoop]: Abstraction has 46089 states and 61213 transitions. [2021-11-22 21:42:19,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 21:42:19,499 INFO L276 IsEmpty]: Start isEmpty. Operand 46089 states and 61213 transitions. [2021-11-22 21:42:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 21:42:19,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:19,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:19,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 21:42:19,500 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:19,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:19,500 INFO L85 PathProgramCache]: Analyzing trace with hash -457514195, now seen corresponding path program 1 times [2021-11-22 21:42:19,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:19,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48770935] [2021-11-22 21:42:19,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:19,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:19,768 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 21:42:19,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:19,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48770935] [2021-11-22 21:42:19,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48770935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:19,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:19,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:19,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999815973] [2021-11-22 21:42:19,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:19,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:19,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:19,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:19,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:19,771 INFO L87 Difference]: Start difference. First operand 46089 states and 61213 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21:42:23,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:23,316 INFO L93 Difference]: Finished difference Result 133270 states and 189986 transitions. [2021-11-22 21:42:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:23,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2021-11-22 21:42:23,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:23,604 INFO L225 Difference]: With dead ends: 133270 [2021-11-22 21:42:23,604 INFO L226 Difference]: Without dead ends: 87190 [2021-11-22 21:42:23,964 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 21:42:23,965 INFO L933 BasicCegarLoop]: 15337 mSDtfsCounter, 12883 mSDsluCounter, 11333 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12883 SdHoareTripleChecker+Valid, 26670 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:23,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12883 Valid, 26670 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 21:42:24,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87190 states. [2021-11-22 21:42:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87190 to 85444. [2021-11-22 21:42:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85444 states, 82098 states have (on average 1.2617237935150674) internal successors, (103585), 82750 states have internal predecessors, (103585), 2038 states have call successors, (2038), 1156 states have call predecessors, (2038), 1144 states have return successors, (12602), 1688 states have call predecessors, (12602), 2038 states have call successors, (12602) [2021-11-22 21:42:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85444 states to 85444 states and 118225 transitions. [2021-11-22 21:42:27,529 INFO L78 Accepts]: Start accepts. Automaton has 85444 states and 118225 transitions. Word has length 21 [2021-11-22 21:42:27,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:27,530 INFO L470 AbstractCegarLoop]: Abstraction has 85444 states and 118225 transitions. [2021-11-22 21:42:27,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21:42:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 85444 states and 118225 transitions. [2021-11-22 21:42:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 21:42:27,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:27,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:27,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 21:42:27,532 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:27,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1298009716, now seen corresponding path program 1 times [2021-11-22 21:42:27,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:27,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222379533] [2021-11-22 21:42:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:27,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:28,009 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 21:42:28,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:28,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222379533] [2021-11-22 21:42:28,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222379533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:28,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:28,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:28,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466788846] [2021-11-22 21:42:28,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:28,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:28,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:28,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:28,011 INFO L87 Difference]: Start difference. First operand 85444 states and 118225 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 21:42:29,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:42:31,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:42:31,520 INFO L93 Difference]: Finished difference Result 85444 states and 118225 transitions. [2021-11-22 21:42:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:42:31,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-11-22 21:42:31,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:42:31,743 INFO L225 Difference]: With dead ends: 85444 [2021-11-22 21:42:31,743 INFO L226 Difference]: Without dead ends: 85442 [2021-11-22 21:42:31,781 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 21:42:31,781 INFO L933 BasicCegarLoop]: 12920 mSDtfsCounter, 12901 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12901 SdHoareTripleChecker+Valid, 12920 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:42:31,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12901 Valid, 12920 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 21:42:31,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85442 states. [2021-11-22 21:42:34,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85442 to 85442. [2021-11-22 21:42:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85442 states, 82097 states have (on average 1.2617148007844379) internal successors, (103583), 82748 states have internal predecessors, (103583), 2038 states have call successors, (2038), 1156 states have call predecessors, (2038), 1144 states have return successors, (12602), 1688 states have call predecessors, (12602), 2038 states have call successors, (12602) [2021-11-22 21:42:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85442 states to 85442 states and 118223 transitions. [2021-11-22 21:42:35,246 INFO L78 Accepts]: Start accepts. Automaton has 85442 states and 118223 transitions. Word has length 22 [2021-11-22 21:42:35,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:42:35,247 INFO L470 AbstractCegarLoop]: Abstraction has 85442 states and 118223 transitions. [2021-11-22 21:42:35,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 21:42:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 85442 states and 118223 transitions. [2021-11-22 21:42:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 21:42:35,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:42:35,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:42:35,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 21:42:35,248 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-22 21:42:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:42:35,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1583567080, now seen corresponding path program 1 times [2021-11-22 21:42:35,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:42:35,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482882813] [2021-11-22 21:42:35,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:42:35,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:42:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:42:35,660 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 21:42:35,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:42:35,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482882813] [2021-11-22 21:42:35,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482882813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:42:35,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:42:35,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:42:35,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957867257] [2021-11-22 21:42:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:42:35,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:42:35,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:42:35,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:42:35,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:42:35,662 INFO L87 Difference]: Start difference. First operand 85442 states and 118223 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 21:42:37,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []