./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-usb-usbvision-usbvision.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G --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 914e679a7c4c6b8ae8fdcddaea446689809372b49ce29e24749d9a97490c553d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:39:47,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:39:47,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:39:47,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:39:47,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:39:47,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:39:47,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:39:47,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:39:47,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:39:47,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:39:47,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:39:47,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:39:47,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:39:47,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:39:47,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:39:47,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:39:47,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:39:47,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:39:47,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:39:47,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:39:47,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:39:47,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:39:47,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:39:47,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:39:47,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:39:47,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:39:47,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:39:47,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:39:47,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:39:47,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:39:47,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:39:47,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:39:47,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:39:47,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:39:47,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:39:47,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:39:47,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:39:47,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:39:47,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:39:47,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:39:47,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:39:47,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 13:39:47,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:39:47,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:39:47,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:39:47,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:39:47,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:39:47,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:39:47,864 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:39:47,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:39:47,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:39:47,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:39:47,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:39:47,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:39:47,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:39:47,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:39:47,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:39:47,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:39:47,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:39:47,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:39:47,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:39:47,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:39:47,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:39:47,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:39:47,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:39:47,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:39:47,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:39:47,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:39:47,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:39:47,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:39:47,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:39:47,875 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_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 914e679a7c4c6b8ae8fdcddaea446689809372b49ce29e24749d9a97490c553d [2021-11-23 13:39:48,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:39:48,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:39:48,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:39:48,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:39:48,220 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:39:48,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i [2021-11-23 13:39:48,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/data/1760307ff/588a8332238042e39f26a8c3202824a5/FLAG4c6ee2a73 [2021-11-23 13:39:49,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:39:49,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i [2021-11-23 13:39:49,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/data/1760307ff/588a8332238042e39f26a8c3202824a5/FLAG4c6ee2a73 [2021-11-23 13:39:50,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/data/1760307ff/588a8332238042e39f26a8c3202824a5 [2021-11-23 13:39:50,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:39:50,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:39:50,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:39:50,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:39:50,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:39:50,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:50" (1/1) ... [2021-11-23 13:39:50,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362f3ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:50, skipping insertion in model container [2021-11-23 13:39:50,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:50" (1/1) ... [2021-11-23 13:39:50,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:39:50,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:39:56,851 WARN L230 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_560bacfa-49eb-4588-98c2-b989d465ce5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i[569745,569758] [2021-11-23 13:39:56,855 WARN L230 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_560bacfa-49eb-4588-98c2-b989d465ce5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i[569890,569903] [2021-11-23 13:39:56,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:39:57,065 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:39:58,154 WARN L230 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_560bacfa-49eb-4588-98c2-b989d465ce5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i[569745,569758] [2021-11-23 13:39:58,155 WARN L230 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_560bacfa-49eb-4588-98c2-b989d465ce5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-usbvision-usbvision.cil.i[569890,569903] [2021-11-23 13:39:58,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:39:58,525 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:39:58,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58 WrapperNode [2021-11-23 13:39:58,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:39:58,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:39:58,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:39:58,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:39:58,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:39:58,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:03,953 INFO L137 Inliner]: procedures = 554, calls = 9695, calls flagged for inlining = 1209, calls inlined = 3324, statements flattened = 55813 [2021-11-23 13:40:03,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:40:03,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:40:03,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:40:03,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:40:03,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:03,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:06,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:06,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:09,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:09,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:09,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:09,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:40:09,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:40:09,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:40:09,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:40:09,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:58" (1/1) ... [2021-11-23 13:40:09,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:40:09,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:40:09,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:40:09,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560bacfa-49eb-4588-98c2-b989d465ce5e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:40:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:40:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 13:40:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 13:40:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:40:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure usbvision_radio_open [2021-11-23 13:40:09,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usbvision_radio_open [2021-11-23 13:40:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 13:40:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:40:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 13:40:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 13:40:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 13:40:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:40:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:40:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 13:40:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 13:40:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:40:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 13:40:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure usbvision_configure_video [2021-11-23 13:40:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usbvision_configure_video [2021-11-23 13:40:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure usbvision_probe [2021-11-23 13:40:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usbvision_probe [2021-11-23 13:40:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 13:40:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure usbvision_i2c_register [2021-11-23 13:40:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usbvision_i2c_register [2021-11-23 13:40:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:40:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:40:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:40:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:40:11,900 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:40:11,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation