./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:53:03,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:53:03,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:53:03,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:53:03,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:53:03,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:53:03,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:53:03,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:53:03,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:53:03,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:53:03,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:53:03,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:53:03,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:53:03,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:53:03,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:53:03,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:53:03,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:53:03,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:53:03,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:53:03,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:53:03,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:53:03,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:53:03,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:53:03,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:53:03,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:53:03,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:53:03,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:53:03,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:53:03,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:53:03,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:53:03,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:53:03,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:53:03,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:53:03,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:53:03,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:53:03,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:53:03,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:53:03,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:53:03,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:53:03,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:53:03,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:53:03,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:53:03,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:53:03,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:53:03,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:53:03,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:53:03,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:53:03,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:53:03,994 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:53:03,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:53:03,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:53:03,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:53:03,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:53:03,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:53:03,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:53:03,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:53:03,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:53:03,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:53:03,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:53:03,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:53:03,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:53:03,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:53:03,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:53:03,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:53:04,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:53:04,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:53:04,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:53:04,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:53:04,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:53:04,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:53:04,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:53:04,002 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-02 22:53:04,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:53:04,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:53:04,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:53:04,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:53:04,352 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:53:04,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-02 22:53:04,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/data/e90087d1a/1e5bc25d726a40edb5a763a5d89171b0/FLAGc7ed68bdb [2021-11-02 22:53:06,054 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:53:06,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-02 22:53:06,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/data/e90087d1a/1e5bc25d726a40edb5a763a5d89171b0/FLAGc7ed68bdb [2021-11-02 22:53:06,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/data/e90087d1a/1e5bc25d726a40edb5a763a5d89171b0 [2021-11-02 22:53:06,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:53:06,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:53:06,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:53:06,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:53:06,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:53:06,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:53:06" (1/1) ... [2021-11-02 22:53:06,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c0642b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:06, skipping insertion in model container [2021-11-02 22:53:06,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:53:06" (1/1) ... [2021-11-02 22:53:06,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:53:06,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:53:19,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-02 22:53:20,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:53:20,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:53:21,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-02 22:53:21,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:53:23,225 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:53:23,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23 WrapperNode [2021-11-02 22:53:23,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:53:23,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:53:23,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:53:23,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:53:23,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:23,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:25,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:53:25,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:53:25,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:53:25,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:53:25,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:25,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:26,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:26,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:27,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:27,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:27,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:28,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:53:28,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:53:28,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:53:28,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:53:28,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (1/1) ... [2021-11-02 22:53:28,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:53:28,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:53:28,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:53:28,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d2eb9-d663-4864-807e-b1481403eb61/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:53:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-02 22:53:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-02 22:53:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-02 22:53:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-02 22:53:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-02 22:53:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-02 22:53:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-02 22:53:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-02 22:53:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-02 22:53:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-02 22:53:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-02 22:53:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-02 22:53:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-02 22:53:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-02 22:53:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-02 22:53:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-02 22:53:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-02 22:53:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:53:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-02 22:53:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-02 22:53:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-02 22:53:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-02 22:53:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-02 22:53:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-02 22:53:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-02 22:53:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-02 22:53:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:53:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-02 22:53:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-02 22:53:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-02 22:53:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-02 22:53:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-02 22:53:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-02 22:53:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:53:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 22:53:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-02 22:53:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-02 22:53:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-02 22:53:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-02 22:53:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-02 22:53:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-02 22:53:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-02 22:53:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-02 22:53:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:53:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:53:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-02 22:53:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-02 22:53:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-02 22:53:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-02 22:53:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:53:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-02 22:53:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-02 22:53:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-02 22:53:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-02 22:53:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-02 22:53:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-02 22:53:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:53:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-02 22:53:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:53:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-02 22:53:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-02 22:53:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-02 22:53:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-02 22:53:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-02 22:53:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-02 22:53:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-02 22:53:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-02 22:53:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-02 22:53:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:53:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-02 22:53:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-02 22:53:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-02 22:53:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-02 22:53:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-02 22:53:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-02 22:53:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-02 22:53:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-02 22:53:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-02 22:53:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-02 22:53:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-02 22:53:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-02 22:53:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-02 22:53:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-02 22:53:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-02 22:53:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-02 22:53:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-02 22:53:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-02 22:53:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-02 22:53:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-02 22:53:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-02 22:53:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-02 22:53:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:53:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-02 22:53:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-02 22:53:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 22:53:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:53:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-02 22:53:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-02 22:53:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-02 22:53:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-02 22:53:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-02 22:53:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-02 22:53:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-02 22:53:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-02 22:53:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-02 22:53:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-02 22:53:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-02 22:53:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-02 22:53:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:53:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:53:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:53:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:53:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-02 22:53:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-02 22:53:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-02 22:53:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-02 22:53:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-02 22:53:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-02 22:53:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-02 22:53:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-02 22:53:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-02 22:53:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-02 22:53:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-02 22:53:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-02 22:53:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-02 22:53:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:53:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-02 22:53:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-02 22:53:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-02 22:53:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-02 22:53:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-02 22:53:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-02 22:53:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-02 22:53:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-02 22:53:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-02 22:53:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-02 22:53:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-02 22:53:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-02 22:53:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-02 22:53:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-02 22:53:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-02 22:53:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-02 22:53:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-02 22:53:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-02 22:53:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:53:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-02 22:53:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-02 22:53:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-02 22:53:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-02 22:53:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-02 22:53:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-02 22:53:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-02 22:53:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-02 22:53:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-02 22:53:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-02 22:53:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-02 22:53:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-02 22:53:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-02 22:53:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-02 22:53:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-02 22:53:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-02 22:53:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-02 22:53:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-02 22:53:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-02 22:53:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-02 22:53:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-02 22:53:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-02 22:53:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-02 22:53:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-02 22:53:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-02 22:53:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:58:45,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:58:45,173 INFO L299 CfgBuilder]: Removed 9608 assume(true) statements. [2021-11-02 22:58:45,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:58:45 BoogieIcfgContainer [2021-11-02 22:58:45,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:58:45,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:58:45,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:58:45,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:58:45,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:53:06" (1/3) ... [2021-11-02 22:58:45,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e48fa5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:58:45, skipping insertion in model container [2021-11-02 22:58:45,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:23" (2/3) ... [2021-11-02 22:58:45,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e48fa5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:58:45, skipping insertion in model container [2021-11-02 22:58:45,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:58:45" (3/3) ... [2021-11-02 22:58:45,193 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-02 22:58:45,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:58:45,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 264 error locations. [2021-11-02 22:58:45,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:58:45,302 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:58:45,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 264 error locations. [2021-11-02 22:58:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 8681 states, 8204 states have (on average 1.3464163822525597) internal successors, (11046), 8504 states have internal predecessors, (11046), 137 states have call successors, (137), 75 states have call predecessors, (137), 75 states have return successors, (137), 115 states have call predecessors, (137), 137 states have call successors, (137) [2021-11-02 22:58:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-02 22:58:45,458 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:45,459 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:58:45,459 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:58:45,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1815356490, now seen corresponding path program 1 times [2021-11-02 22:58:45,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:45,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321345307] [2021-11-02 22:58:45,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:45,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:47,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:47,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321345307] [2021-11-02 22:58:47,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321345307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:47,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:47,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:47,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396906902] [2021-11-02 22:58:47,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:47,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:47,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:47,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:47,083 INFO L87 Difference]: Start difference. First operand has 8681 states, 8204 states have (on average 1.3464163822525597) internal successors, (11046), 8504 states have internal predecessors, (11046), 137 states have call successors, (137), 75 states have call predecessors, (137), 75 states have return successors, (137), 115 states have call predecessors, (137), 137 states have call successors, (137) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:50,684 INFO L93 Difference]: Finished difference Result 24841 states and 32769 transitions. [2021-11-02 22:58:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:50,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-02 22:58:50,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:50,870 INFO L225 Difference]: With dead ends: 24841 [2021-11-02 22:58:50,871 INFO L226 Difference]: Without dead ends: 16009 [2021-11-02 22:58:50,996 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16009 states. [2021-11-02 22:58:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16009 to 15579. [2021-11-02 22:58:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15579 states, 14904 states have (on average 1.3071658615136876) internal successors, (19482), 15231 states have internal predecessors, (19482), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-02 22:58:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15579 states to 15579 states and 20137 transitions. [2021-11-02 22:58:52,003 INFO L78 Accepts]: Start accepts. Automaton has 15579 states and 20137 transitions. Word has length 6 [2021-11-02 22:58:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:52,004 INFO L470 AbstractCegarLoop]: Abstraction has 15579 states and 20137 transitions. [2021-11-02 22:58:52,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 15579 states and 20137 transitions. [2021-11-02 22:58:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-02 22:58:52,007 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:52,007 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:52,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:58:52,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:58:52,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:52,012 INFO L85 PathProgramCache]: Analyzing trace with hash 441500171, now seen corresponding path program 1 times [2021-11-02 22:58:52,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:52,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199867426] [2021-11-02 22:58:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:52,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:52,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:52,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199867426] [2021-11-02 22:58:52,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199867426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:52,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:52,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:52,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243801690] [2021-11-02 22:58:52,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:52,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:52,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:52,990 INFO L87 Difference]: Start difference. First operand 15579 states and 20137 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:55,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:55,934 INFO L93 Difference]: Finished difference Result 15579 states and 20137 transitions. [2021-11-02 22:58:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:55,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-02 22:58:55,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:56,071 INFO L225 Difference]: With dead ends: 15579 [2021-11-02 22:58:56,072 INFO L226 Difference]: Without dead ends: 15577 [2021-11-02 22:58:56,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:56,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15577 states. [2021-11-02 22:58:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15577 to 15577. [2021-11-02 22:58:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15577 states, 14903 states have (on average 1.307119371938536) internal successors, (19480), 15229 states have internal predecessors, (19480), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-02 22:58:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15577 states to 15577 states and 20135 transitions. [2021-11-02 22:58:56,749 INFO L78 Accepts]: Start accepts. Automaton has 15577 states and 20135 transitions. Word has length 7 [2021-11-02 22:58:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:56,751 INFO L470 AbstractCegarLoop]: Abstraction has 15577 states and 20135 transitions. [2021-11-02 22:58:56,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 15577 states and 20135 transitions. [2021-11-02 22:58:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-02 22:58:56,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:56,753 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:56,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:58:56,753 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:58:56,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:56,764 INFO L85 PathProgramCache]: Analyzing trace with hash 801627252, now seen corresponding path program 1 times [2021-11-02 22:58:56,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:56,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844785734] [2021-11-02 22:58:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:56,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:57,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:57,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844785734] [2021-11-02 22:58:57,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844785734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:57,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:57,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:57,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918854784] [2021-11-02 22:58:57,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:57,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:57,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:57,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:57,527 INFO L87 Difference]: Start difference. First operand 15577 states and 20135 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:00,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:00,544 INFO L93 Difference]: Finished difference Result 15577 states and 20135 transitions. [2021-11-02 22:59:00,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:00,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-02 22:59:00,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:00,612 INFO L225 Difference]: With dead ends: 15577 [2021-11-02 22:59:00,612 INFO L226 Difference]: Without dead ends: 15573 [2021-11-02 22:59:00,622 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15573 states. [2021-11-02 22:59:01,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15573 to 15573. [2021-11-02 22:59:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15573 states, 14901 states have (on average 1.306959264478894) internal successors, (19475), 15225 states have internal predecessors, (19475), 264 states have call successors, (264), 148 states have call predecessors, (264), 148 states have return successors, (391), 223 states have call predecessors, (391), 264 states have call successors, (391) [2021-11-02 22:59:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15573 states to 15573 states and 20130 transitions. [2021-11-02 22:59:01,321 INFO L78 Accepts]: Start accepts. Automaton has 15573 states and 20130 transitions. Word has length 8 [2021-11-02 22:59:01,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:01,322 INFO L470 AbstractCegarLoop]: Abstraction has 15573 states and 20130 transitions. [2021-11-02 22:59:01,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 15573 states and 20130 transitions. [2021-11-02 22:59:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-02 22:59:01,323 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:01,323 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:01,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:59:01,324 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:01,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash -919335115, now seen corresponding path program 1 times [2021-11-02 22:59:01,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:01,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358362799] [2021-11-02 22:59:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:01,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:02,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:02,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358362799] [2021-11-02 22:59:02,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358362799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:02,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:02,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:02,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616901421] [2021-11-02 22:59:02,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:02,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:02,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:02,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:02,112 INFO L87 Difference]: Start difference. First operand 15573 states and 20130 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:06,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:06,050 INFO L93 Difference]: Finished difference Result 37239 states and 49549 transitions. [2021-11-02 22:59:06,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:06,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-02 22:59:06,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:06,192 INFO L225 Difference]: With dead ends: 37239 [2021-11-02 22:59:06,192 INFO L226 Difference]: Without dead ends: 21668 [2021-11-02 22:59:06,295 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:06,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21668 states. [2021-11-02 22:59:07,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21668 to 20749. [2021-11-02 22:59:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20749 states, 19672 states have (on average 1.2963603090687272) internal successors, (25502), 20058 states have internal predecessors, (25502), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-02 22:59:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20749 states to 20749 states and 27541 transitions. [2021-11-02 22:59:07,672 INFO L78 Accepts]: Start accepts. Automaton has 20749 states and 27541 transitions. Word has length 9 [2021-11-02 22:59:07,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:07,673 INFO L470 AbstractCegarLoop]: Abstraction has 20749 states and 27541 transitions. [2021-11-02 22:59:07,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 20749 states and 27541 transitions. [2021-11-02 22:59:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-02 22:59:07,675 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:07,675 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:07,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:59:07,676 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:07,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1565406366, now seen corresponding path program 1 times [2021-11-02 22:59:07,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:07,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029865715] [2021-11-02 22:59:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:07,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:08,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:08,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029865715] [2021-11-02 22:59:08,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029865715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:08,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:08,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:08,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870716054] [2021-11-02 22:59:08,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:08,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:08,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:08,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:08,356 INFO L87 Difference]: Start difference. First operand 20749 states and 27541 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:11,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:11,472 INFO L93 Difference]: Finished difference Result 20749 states and 27541 transitions. [2021-11-02 22:59:11,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:11,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-02 22:59:11,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:11,571 INFO L225 Difference]: With dead ends: 20749 [2021-11-02 22:59:11,571 INFO L226 Difference]: Without dead ends: 20745 [2021-11-02 22:59:11,588 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:11,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20745 states. [2021-11-02 22:59:12,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20745 to 20745. [2021-11-02 22:59:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20745 states, 19670 states have (on average 1.2961362480935434) internal successors, (25495), 20054 states have internal predecessors, (25495), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-02 22:59:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20745 states to 20745 states and 27534 transitions. [2021-11-02 22:59:12,582 INFO L78 Accepts]: Start accepts. Automaton has 20745 states and 27534 transitions. Word has length 10 [2021-11-02 22:59:12,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:12,582 INFO L470 AbstractCegarLoop]: Abstraction has 20745 states and 27534 transitions. [2021-11-02 22:59:12,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 20745 states and 27534 transitions. [2021-11-02 22:59:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-02 22:59:12,585 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:12,585 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:12,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:59:12,586 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1282980959, now seen corresponding path program 1 times [2021-11-02 22:59:12,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:12,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663801707] [2021-11-02 22:59:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:12,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:13,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:13,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663801707] [2021-11-02 22:59:13,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663801707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:13,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:13,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:13,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368433850] [2021-11-02 22:59:13,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:13,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:13,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:13,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:13,302 INFO L87 Difference]: Start difference. First operand 20745 states and 27534 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:17,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:17,885 INFO L93 Difference]: Finished difference Result 20745 states and 27534 transitions. [2021-11-02 22:59:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:17,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-02 22:59:17,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:17,964 INFO L225 Difference]: With dead ends: 20745 [2021-11-02 22:59:17,964 INFO L226 Difference]: Without dead ends: 20547 [2021-11-02 22:59:17,982 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:18,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2021-11-02 22:59:18,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20547. [2021-11-02 22:59:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20547 states, 19571 states have (on average 1.2862909406775331) internal successors, (25174), 19856 states have internal predecessors, (25174), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-02 22:59:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 27213 transitions. [2021-11-02 22:59:18,937 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 27213 transitions. Word has length 11 [2021-11-02 22:59:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:18,938 INFO L470 AbstractCegarLoop]: Abstraction has 20547 states and 27213 transitions. [2021-11-02 22:59:18,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 27213 transitions. [2021-11-02 22:59:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-02 22:59:18,944 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:18,944 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:18,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:59:18,945 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:18,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1117727944, now seen corresponding path program 1 times [2021-11-02 22:59:18,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:18,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051519492] [2021-11-02 22:59:18,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:18,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:19,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:19,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051519492] [2021-11-02 22:59:19,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051519492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:19,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:19,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:19,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464160089] [2021-11-02 22:59:19,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:19,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:19,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:19,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:19,652 INFO L87 Difference]: Start difference. First operand 20547 states and 27213 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:22,627 INFO L93 Difference]: Finished difference Result 20547 states and 27213 transitions. [2021-11-02 22:59:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-02 22:59:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:22,717 INFO L225 Difference]: With dead ends: 20547 [2021-11-02 22:59:22,718 INFO L226 Difference]: Without dead ends: 20545 [2021-11-02 22:59:22,734 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:22,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20545 states. [2021-11-02 22:59:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20545 to 20545. [2021-11-02 22:59:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20545 states, 19570 states have (on average 1.2862544711292796) internal successors, (25172), 19854 states have internal predecessors, (25172), 523 states have call successors, (523), 296 states have call predecessors, (523), 294 states have return successors, (1516), 441 states have call predecessors, (1516), 523 states have call successors, (1516) [2021-11-02 22:59:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20545 states to 20545 states and 27211 transitions. [2021-11-02 22:59:23,866 INFO L78 Accepts]: Start accepts. Automaton has 20545 states and 27211 transitions. Word has length 12 [2021-11-02 22:59:23,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:23,866 INFO L470 AbstractCegarLoop]: Abstraction has 20545 states and 27211 transitions. [2021-11-02 22:59:23,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 20545 states and 27211 transitions. [2021-11-02 22:59:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-02 22:59:23,871 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:23,872 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:23,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:59:23,872 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:23,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:23,873 INFO L85 PathProgramCache]: Analyzing trace with hash 289851785, now seen corresponding path program 1 times [2021-11-02 22:59:23,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:23,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82745539] [2021-11-02 22:59:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:23,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:24,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:24,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82745539] [2021-11-02 22:59:24,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82745539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:24,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:24,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:24,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445653190] [2021-11-02 22:59:24,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:24,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:24,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:24,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:24,861 INFO L87 Difference]: Start difference. First operand 20545 states and 27211 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:28,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:28,826 INFO L93 Difference]: Finished difference Result 61475 states and 85796 transitions. [2021-11-02 22:59:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:28,827 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 [2021-11-02 22:59:28,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:29,023 INFO L225 Difference]: With dead ends: 61475 [2021-11-02 22:59:29,024 INFO L226 Difference]: Without dead ends: 40932 [2021-11-02 22:59:29,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40932 states. [2021-11-02 22:59:30,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40932 to 39790. [2021-11-02 22:59:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39790 states, 38011 states have (on average 1.2866012470074453) internal successors, (48905), 38416 states have internal predecessors, (48905), 1034 states have call successors, (1034), 592 states have call predecessors, (1034), 588 states have return successors, (4418), 872 states have call predecessors, (4418), 1034 states have call successors, (4418) [2021-11-02 22:59:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39790 states to 39790 states and 54357 transitions. [2021-11-02 22:59:31,176 INFO L78 Accepts]: Start accepts. Automaton has 39790 states and 54357 transitions. Word has length 13 [2021-11-02 22:59:31,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:31,177 INFO L470 AbstractCegarLoop]: Abstraction has 39790 states and 54357 transitions. [2021-11-02 22:59:31,177 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) [2021-11-02 22:59:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 39790 states and 54357 transitions. [2021-11-02 22:59:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-02 22:59:31,178 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:31,178 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:31,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:59:31,179 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:31,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:31,179 INFO L85 PathProgramCache]: Analyzing trace with hash 395494642, now seen corresponding path program 1 times [2021-11-02 22:59:31,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:31,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143135991] [2021-11-02 22:59:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:31,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:31,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:31,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143135991] [2021-11-02 22:59:31,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143135991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:31,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:31,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:31,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768380040] [2021-11-02 22:59:31,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:31,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:31,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:31,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:31,809 INFO L87 Difference]: Start difference. First operand 39790 states and 54357 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:35,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:35,920 INFO L93 Difference]: Finished difference Result 39790 states and 54357 transitions. [2021-11-02 22:59:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:35,926 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 [2021-11-02 22:59:35,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:36,072 INFO L225 Difference]: With dead ends: 39790 [2021-11-02 22:59:36,073 INFO L226 Difference]: Without dead ends: 39788 [2021-11-02 22:59:36,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39788 states. [2021-11-02 22:59:37,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39788 to 39788. [2021-11-02 22:59:37,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39788 states, 38010 states have (on average 1.2865824782951856) internal successors, (48903), 38414 states have internal predecessors, (48903), 1034 states have call successors, (1034), 592 states have call predecessors, (1034), 588 states have return successors, (4418), 872 states have call predecessors, (4418), 1034 states have call successors, (4418) [2021-11-02 22:59:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39788 states to 39788 states and 54355 transitions. [2021-11-02 22:59:38,063 INFO L78 Accepts]: Start accepts. Automaton has 39788 states and 54355 transitions. Word has length 14 [2021-11-02 22:59:38,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:38,064 INFO L470 AbstractCegarLoop]: Abstraction has 39788 states and 54355 transitions. [2021-11-02 22:59:38,064 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) [2021-11-02 22:59:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 39788 states and 54355 transitions. [2021-11-02 22:59:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-02 22:59:38,065 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:38,065 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:38,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:59:38,065 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:38,066 INFO L85 PathProgramCache]: Analyzing trace with hash -624544077, now seen corresponding path program 1 times [2021-11-02 22:59:38,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:38,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898804318] [2021-11-02 22:59:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:38,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:38,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:38,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898804318] [2021-11-02 22:59:38,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898804318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:38,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:38,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:38,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880199516] [2021-11-02 22:59:38,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:38,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:38,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:38,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:38,697 INFO L87 Difference]: Start difference. First operand 39788 states and 54355 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:44,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:44,843 INFO L93 Difference]: Finished difference Result 117110 states and 172662 transitions. [2021-11-02 22:59:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:44,843 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 [2021-11-02 22:59:44,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:45,217 INFO L225 Difference]: With dead ends: 117110 [2021-11-02 22:59:45,217 INFO L226 Difference]: Without dead ends: 77324 [2021-11-02 22:59:45,750 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77324 states. [2021-11-02 22:59:49,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77324 to 75765. [2021-11-02 22:59:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75765 states, 72452 states have (on average 1.2894744106442886) internal successors, (93425), 73089 states have internal predecessors, (93425), 2014 states have call successors, (2014), 1156 states have call predecessors, (2014), 1144 states have return successors, (12550), 1662 states have call predecessors, (12550), 2014 states have call successors, (12550) [2021-11-02 22:59:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75765 states to 75765 states and 107989 transitions. [2021-11-02 22:59:50,399 INFO L78 Accepts]: Start accepts. Automaton has 75765 states and 107989 transitions. Word has length 15 [2021-11-02 22:59:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:50,400 INFO L470 AbstractCegarLoop]: Abstraction has 75765 states and 107989 transitions. [2021-11-02 22:59:50,400 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) [2021-11-02 22:59:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 75765 states and 107989 transitions. [2021-11-02 22:59:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-02 22:59:50,401 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:50,401 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:50,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 22:59:50,402 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 262 more)] === [2021-11-02 22:59:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:50,402 INFO L85 PathProgramCache]: Analyzing trace with hash 2113994012, now seen corresponding path program 1 times [2021-11-02 22:59:50,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:50,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486408462] [2021-11-02 22:59:50,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:50,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:51,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:51,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486408462] [2021-11-02 22:59:51,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486408462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:51,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:51,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:51,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965224302] [2021-11-02 22:59:51,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:51,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:51,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:51,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:51,162 INFO L87 Difference]: Start difference. First operand 75765 states and 107989 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)