./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX --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 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:19:29,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:19:29,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:19:29,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:19:29,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:19:29,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:19:29,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:19:29,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:19:29,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:19:29,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:19:29,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:19:29,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:19:29,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:19:29,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:19:29,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:19:29,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:19:29,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:19:29,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:19:29,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:19:29,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:19:29,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:19:29,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:19:29,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:19:29,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:19:29,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:19:29,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:19:29,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:19:29,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:19:29,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:19:29,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:19:29,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:19:29,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:19:29,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:19:29,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:19:29,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:19:29,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:19:29,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:19:29,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:19:29,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:19:29,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:19:29,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:19:29,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 09:19:29,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:19:29,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:19:29,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:19:29,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:19:29,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:19:29,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:19:29,974 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:19:29,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:19:29,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:19:29,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:19:29,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:19:29,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:19:29,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:19:29,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:19:29,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:19:29,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:19:29,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:19:29,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:19:29,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:19:29,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:19:29,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:19:29,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:19:29,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:19:29,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:19:29,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:19:29,980 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:19:29,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:19:29,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:19:29,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:19:29,981 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_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2021-11-09 09:19:30,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:19:30,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:19:30,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:19:30,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:19:30,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:19:30,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-09 09:19:30,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/data/9ecd1dee6/02c15c9ea8074bd5aaf6afc2722b14b7/FLAG8863b205b [2021-11-09 09:19:31,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:19:31,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-09 09:19:32,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/data/9ecd1dee6/02c15c9ea8074bd5aaf6afc2722b14b7/FLAG8863b205b [2021-11-09 09:19:32,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/data/9ecd1dee6/02c15c9ea8074bd5aaf6afc2722b14b7 [2021-11-09 09:19:32,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:19:32,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:19:32,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:19:32,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:19:32,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:19:32,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:19:32" (1/1) ... [2021-11-09 09:19:32,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25043123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:32, skipping insertion in model container [2021-11-09 09:19:32,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:19:32" (1/1) ... [2021-11-09 09:19:32,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:19:32,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:19:38,249 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_4cf1110c-2578-4fac-9664-d3a1c4691f3a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-09 09:19:38,259 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_4cf1110c-2578-4fac-9664-d3a1c4691f3a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-09 09:19:38,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:19:38,431 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:19:39,440 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_4cf1110c-2578-4fac-9664-d3a1c4691f3a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-09 09:19:39,441 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_4cf1110c-2578-4fac-9664-d3a1c4691f3a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-09 09:19:39,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:19:39,741 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:19:39,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39 WrapperNode [2021-11-09 09:19:39,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:19:39,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:19:39,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:19:39,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:19:39,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:39,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:41,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:19:41,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:19:41,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:19:41,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:19:41,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:41,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:41,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:41,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:42,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:42,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:42,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:42,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:19:42,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:19:42,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:19:42,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:19:42,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (1/1) ... [2021-11-09 09:19:42,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:19:42,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:19:42,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:19:42,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-09 09:19:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-09 09:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-09 09:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-09 09:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-09 09:19:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-09 09:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-09 09:19:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-09 09:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:19:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 09:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-09 09:19:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-09 09:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:20:51,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-09 09:20:51,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-09 09:20:51,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-09 09:20:51,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-09 09:20:51,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-09 09:20:51,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-09 09:20:51,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-09 09:20:51,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-09 09:20:51,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-09 09:20:51,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-09 09:20:51,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-09 09:20:51,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-09 09:20:54,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:20:54,481 INFO L299 CfgBuilder]: Removed 5383 assume(true) statements. [2021-11-09 09:20:54,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:20:54 BoogieIcfgContainer [2021-11-09 09:20:54,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:20:54,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:20:54,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:20:54,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:20:54,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:19:32" (1/3) ... [2021-11-09 09:20:54,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b3122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:20:54, skipping insertion in model container [2021-11-09 09:20:54,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:39" (2/3) ... [2021-11-09 09:20:54,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b3122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:20:54, skipping insertion in model container [2021-11-09 09:20:54,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:20:54" (3/3) ... [2021-11-09 09:20:54,501 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-09 09:20:54,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:20:54,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-09 09:20:54,606 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:20:54,614 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 [2021-11-09 09:20:54,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-09 09:20:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 5385 states, 5363 states have (on average 1.3072906955062464) internal successors, (7011), 5365 states have internal predecessors, (7011), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 09:20:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-09 09:20:54,742 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:20:54,743 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:20:54,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:20:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:20:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash 658504876, now seen corresponding path program 1 times [2021-11-09 09:20:54,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:20:54,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743394763] [2021-11-09 09:20:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:20:54,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:20:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:20:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:20:56,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:20:56,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743394763] [2021-11-09 09:20:56,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743394763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:20:56,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:20:56,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:20:56,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271012358] [2021-11-09 09:20:56,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:20:56,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:20:56,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:20:56,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:20:56,294 INFO L87 Difference]: Start difference. First operand has 5385 states, 5363 states have (on average 1.3072906955062464) internal successors, (7011), 5365 states have internal predecessors, (7011), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:20:59,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:20:59,432 INFO L93 Difference]: Finished difference Result 14189 states and 18569 transitions. [2021-11-09 09:20:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:20:59,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2021-11-09 09:20:59,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:20:59,503 INFO L225 Difference]: With dead ends: 14189 [2021-11-09 09:20:59,504 INFO L226 Difference]: Without dead ends: 8440 [2021-11-09 09:20:59,543 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 [2021-11-09 09:20:59,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8440 states. [2021-11-09 09:20:59,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8440 to 8426. [2021-11-09 09:20:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8426 states, 8390 states have (on average 1.2400476758045291) internal successors, (10404), 8392 states have internal predecessors, (10404), 25 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-09 09:20:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8426 states to 8426 states and 10454 transitions. [2021-11-09 09:20:59,955 INFO L78 Accepts]: Start accepts. Automaton has 8426 states and 10454 transitions. Word has length 176 [2021-11-09 09:20:59,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:20:59,957 INFO L470 AbstractCegarLoop]: Abstraction has 8426 states and 10454 transitions. [2021-11-09 09:20:59,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:20:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8426 states and 10454 transitions. [2021-11-09 09:20:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-09 09:20:59,967 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:20:59,968 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:20:59,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:20:59,968 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:20:59,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:20:59,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1394049775, now seen corresponding path program 1 times [2021-11-09 09:20:59,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:20:59,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410052171] [2021-11-09 09:20:59,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:20:59,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:00,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:00,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410052171] [2021-11-09 09:21:00,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410052171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:00,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:21:00,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:21:00,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55585566] [2021-11-09 09:21:00,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:00,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:00,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:00,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:21:00,699 INFO L87 Difference]: Start difference. First operand 8426 states and 10454 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2021-11-09 09:21:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:04,115 INFO L93 Difference]: Finished difference Result 23000 states and 28711 transitions. [2021-11-09 09:21:04,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:04,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 179 [2021-11-09 09:21:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:04,260 INFO L225 Difference]: With dead ends: 23000 [2021-11-09 09:21:04,261 INFO L226 Difference]: Without dead ends: 14970 [2021-11-09 09:21:04,288 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 [2021-11-09 09:21:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14970 states. [2021-11-09 09:21:04,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14970 to 14958. [2021-11-09 09:21:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14958 states, 14891 states have (on average 1.2466590558055202) internal successors, (18564), 14893 states have internal predecessors, (18564), 48 states have call successors, (48), 16 states have call predecessors, (48), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2021-11-09 09:21:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14958 states to 14958 states and 18660 transitions. [2021-11-09 09:21:04,938 INFO L78 Accepts]: Start accepts. Automaton has 14958 states and 18660 transitions. Word has length 179 [2021-11-09 09:21:04,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:04,939 INFO L470 AbstractCegarLoop]: Abstraction has 14958 states and 18660 transitions. [2021-11-09 09:21:04,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2021-11-09 09:21:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14958 states and 18660 transitions. [2021-11-09 09:21:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-09 09:21:04,950 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:04,950 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:04,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:21:04,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:04,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:04,952 INFO L85 PathProgramCache]: Analyzing trace with hash -878768903, now seen corresponding path program 1 times [2021-11-09 09:21:04,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:04,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204532499] [2021-11-09 09:21:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:04,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:05,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:05,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204532499] [2021-11-09 09:21:05,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204532499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:05,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:21:05,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:21:05,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647614473] [2021-11-09 09:21:05,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:05,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:05,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:21:05,775 INFO L87 Difference]: Start difference. First operand 14958 states and 18660 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:08,859 INFO L93 Difference]: Finished difference Result 32291 states and 40354 transitions. [2021-11-09 09:21:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2021-11-09 09:21:08,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:08,981 INFO L225 Difference]: With dead ends: 32291 [2021-11-09 09:21:08,981 INFO L226 Difference]: Without dead ends: 17729 [2021-11-09 09:21:09,043 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 [2021-11-09 09:21:09,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17729 states. [2021-11-09 09:21:09,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17729 to 17725. [2021-11-09 09:21:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17725 states, 17645 states have (on average 1.247662227259847) internal successors, (22015), 17647 states have internal predecessors, (22015), 57 states have call successors, (57), 20 states have call predecessors, (57), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2021-11-09 09:21:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17725 states to 17725 states and 22129 transitions. [2021-11-09 09:21:09,761 INFO L78 Accepts]: Start accepts. Automaton has 17725 states and 22129 transitions. Word has length 193 [2021-11-09 09:21:09,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:09,763 INFO L470 AbstractCegarLoop]: Abstraction has 17725 states and 22129 transitions. [2021-11-09 09:21:09,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 17725 states and 22129 transitions. [2021-11-09 09:21:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-09 09:21:09,775 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:09,775 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:09,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:21:09,776 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting video_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2086883259, now seen corresponding path program 1 times [2021-11-09 09:21:09,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:09,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282072913] [2021-11-09 09:21:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:09,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:10,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:10,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282072913] [2021-11-09 09:21:10,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282072913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:10,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:21:10,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:21:10,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096206981] [2021-11-09 09:21:10,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:10,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:10,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:21:10,572 INFO L87 Difference]: Start difference. First operand 17725 states and 22129 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:13,838 INFO L93 Difference]: Finished difference Result 42356 states and 52874 transitions. [2021-11-09 09:21:13,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:13,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2021-11-09 09:21:13,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:13,934 INFO L225 Difference]: With dead ends: 42356 [2021-11-09 09:21:13,935 INFO L226 Difference]: Without dead ends: 25027 [2021-11-09 09:21:13,982 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 [2021-11-09 09:21:14,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25027 states. [2021-11-09 09:21:14,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25027 to 25009. [2021-11-09 09:21:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25009 states, 24908 states have (on average 1.2438172474706921) internal successors, (30981), 24910 states have internal predecessors, (30981), 72 states have call successors, (72), 26 states have call predecessors, (72), 26 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2021-11-09 09:21:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25009 states to 25009 states and 31125 transitions. [2021-11-09 09:21:14,731 INFO L78 Accepts]: Start accepts. Automaton has 25009 states and 31125 transitions. Word has length 198 [2021-11-09 09:21:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:14,732 INFO L470 AbstractCegarLoop]: Abstraction has 25009 states and 31125 transitions. [2021-11-09 09:21:14,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 25009 states and 31125 transitions. [2021-11-09 09:21:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-09 09:21:14,742 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:14,742 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:14,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:21:14,743 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:14,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:14,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1241698348, now seen corresponding path program 1 times [2021-11-09 09:21:14,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:14,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716855217] [2021-11-09 09:21:14,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:14,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:15,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:15,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716855217] [2021-11-09 09:21:15,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716855217] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:15,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:21:15,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:21:15,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620521859] [2021-11-09 09:21:15,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:15,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:15,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:15,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:21:15,462 INFO L87 Difference]: Start difference. First operand 25009 states and 31125 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-11-09 09:21:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:19,256 INFO L93 Difference]: Finished difference Result 58956 states and 73578 transitions. [2021-11-09 09:21:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:19,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 215 [2021-11-09 09:21:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:19,375 INFO L225 Difference]: With dead ends: 58956 [2021-11-09 09:21:19,375 INFO L226 Difference]: Without dead ends: 35179 [2021-11-09 09:21:19,420 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 [2021-11-09 09:21:19,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35179 states. [2021-11-09 09:21:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35179 to 35159. [2021-11-09 09:21:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35159 states, 35013 states have (on average 1.2462228315197212) internal successors, (43634), 35015 states have internal predecessors, (43634), 105 states have call successors, (105), 38 states have call predecessors, (105), 38 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2021-11-09 09:21:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35159 states to 35159 states and 43844 transitions. [2021-11-09 09:21:20,478 INFO L78 Accepts]: Start accepts. Automaton has 35159 states and 43844 transitions. Word has length 215 [2021-11-09 09:21:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:20,478 INFO L470 AbstractCegarLoop]: Abstraction has 35159 states and 43844 transitions. [2021-11-09 09:21:20,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-11-09 09:21:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 35159 states and 43844 transitions. [2021-11-09 09:21:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-09 09:21:20,501 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:20,502 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:20,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:21:20,502 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:20,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:20,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1337708022, now seen corresponding path program 1 times [2021-11-09 09:21:20,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:20,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397647732] [2021-11-09 09:21:20,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:21,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:21,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397647732] [2021-11-09 09:21:21,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397647732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:21,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:21:21,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:21:21,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623349594] [2021-11-09 09:21:21,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:21,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:21,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:21,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:21:21,423 INFO L87 Difference]: Start difference. First operand 35159 states and 43844 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:25,501 INFO L93 Difference]: Finished difference Result 102423 states and 127956 transitions. [2021-11-09 09:21:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:25,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2021-11-09 09:21:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:25,863 INFO L225 Difference]: With dead ends: 102423 [2021-11-09 09:21:25,863 INFO L226 Difference]: Without dead ends: 68496 [2021-11-09 09:21:25,930 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 [2021-11-09 09:21:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68496 states. [2021-11-09 09:21:27,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68496 to 68490. [2021-11-09 09:21:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68490 states, 68201 states have (on average 1.2474010645005205) internal successors, (85074), 68203 states have internal predecessors, (85074), 210 states have call successors, (210), 76 states have call predecessors, (210), 76 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2021-11-09 09:21:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68490 states to 68490 states and 85494 transitions. [2021-11-09 09:21:28,243 INFO L78 Accepts]: Start accepts. Automaton has 68490 states and 85494 transitions. Word has length 226 [2021-11-09 09:21:28,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:28,246 INFO L470 AbstractCegarLoop]: Abstraction has 68490 states and 85494 transitions. [2021-11-09 09:21:28,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 68490 states and 85494 transitions. [2021-11-09 09:21:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-09 09:21:28,266 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:28,267 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:28,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:21:28,269 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:28,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:28,270 INFO L85 PathProgramCache]: Analyzing trace with hash 440314744, now seen corresponding path program 1 times [2021-11-09 09:21:28,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:28,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347518817] [2021-11-09 09:21:28,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:28,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:29,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:29,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347518817] [2021-11-09 09:21:29,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347518817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:29,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:21:29,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:21:29,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086420495] [2021-11-09 09:21:29,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:29,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:29,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:29,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:21:29,457 INFO L87 Difference]: Start difference. First operand 68490 states and 85494 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:34,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:34,681 INFO L93 Difference]: Finished difference Result 169097 states and 211268 transitions. [2021-11-09 09:21:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:34,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2021-11-09 09:21:34,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:35,013 INFO L225 Difference]: With dead ends: 169097 [2021-11-09 09:21:35,014 INFO L226 Difference]: Without dead ends: 100850 [2021-11-09 09:21:35,153 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 [2021-11-09 09:21:35,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100850 states. [2021-11-09 09:21:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100850 to 100844. [2021-11-09 09:21:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100844 states, 100412 states have (on average 1.2481675496952556) internal successors, (125331), 100414 states have internal predecessors, (125331), 315 states have call successors, (315), 114 states have call predecessors, (315), 114 states have return successors, (315), 315 states have call predecessors, (315), 315 states have call successors, (315) [2021-11-09 09:21:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100844 states to 100844 states and 125961 transitions. [2021-11-09 09:21:39,256 INFO L78 Accepts]: Start accepts. Automaton has 100844 states and 125961 transitions. Word has length 226 [2021-11-09 09:21:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:39,257 INFO L470 AbstractCegarLoop]: Abstraction has 100844 states and 125961 transitions. [2021-11-09 09:21:39,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 100844 states and 125961 transitions. [2021-11-09 09:21:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-09 09:21:39,285 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:39,285 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:39,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 09:21:39,286 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:39,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:39,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1380853428, now seen corresponding path program 1 times [2021-11-09 09:21:39,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:39,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976024462] [2021-11-09 09:21:39,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:39,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-09 09:21:40,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:40,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976024462] [2021-11-09 09:21:40,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976024462] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:21:40,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371345986] [2021-11-09 09:21:40,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:40,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:21:40,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:40,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:21:40,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 09:21:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:43,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 8653 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:21:43,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-09 09:21:44,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371345986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:44,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:21:44,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-09 09:21:44,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145719993] [2021-11-09 09:21:44,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:44,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:44,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:44,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:21:44,718 INFO L87 Difference]: Start difference. First operand 100844 states and 125961 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:47,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:21:47,815 INFO L93 Difference]: Finished difference Result 200456 states and 250768 transitions. [2021-11-09 09:21:47,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:21:47,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2021-11-09 09:21:47,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:21:48,378 INFO L225 Difference]: With dead ends: 200456 [2021-11-09 09:21:48,379 INFO L226 Difference]: Without dead ends: 100844 [2021-11-09 09:21:48,651 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:21:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100844 states. [2021-11-09 09:21:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100844 to 100844. [2021-11-09 09:21:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100844 states, 100412 states have (on average 1.2474803808309765) internal successors, (125262), 100414 states have internal predecessors, (125262), 315 states have call successors, (315), 114 states have call predecessors, (315), 114 states have return successors, (315), 315 states have call predecessors, (315), 315 states have call successors, (315) [2021-11-09 09:21:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100844 states to 100844 states and 125892 transitions. [2021-11-09 09:21:52,607 INFO L78 Accepts]: Start accepts. Automaton has 100844 states and 125892 transitions. Word has length 244 [2021-11-09 09:21:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:21:52,608 INFO L470 AbstractCegarLoop]: Abstraction has 100844 states and 125892 transitions. [2021-11-09 09:21:52,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 100844 states and 125892 transitions. [2021-11-09 09:21:52,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-09 09:21:52,630 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:21:52,630 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:52,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:52,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:21:52,851 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [video_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:21:52,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash -142967650, now seen corresponding path program 1 times [2021-11-09 09:21:52,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:52,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915073500] [2021-11-09 09:21:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:52,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-09 09:21:53,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:21:53,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915073500] [2021-11-09 09:21:53,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915073500] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:21:53,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884452589] [2021-11-09 09:21:53,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:53,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:21:53,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:53,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:21:53,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf1110c-2578-4fac-9664-d3a1c4691f3a/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 09:21:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:56,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 8654 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:21:56,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-09 09:21:57,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884452589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:21:57,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:21:57,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-09 09:21:57,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440255893] [2021-11-09 09:21:57,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:21:57,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:21:57,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:21:57,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:21:57,769 INFO L87 Difference]: Start difference. First operand 100844 states and 125892 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 2 states have internal predecessors, (219), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)