./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ --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 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:56:35,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:56:35,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:56:35,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:56:35,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:56:35,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:56:35,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:56:35,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:56:35,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:56:35,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:56:35,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:56:35,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:56:35,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:56:35,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:56:35,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:56:35,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:56:35,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:56:35,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:56:35,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:56:35,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:56:35,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:56:35,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:56:35,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:56:35,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:56:35,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:56:35,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:56:35,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:56:35,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:56:35,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:56:35,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:56:35,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:56:35,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:56:35,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:56:35,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:56:35,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:56:35,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:56:35,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:56:35,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:56:35,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:56:35,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:56:35,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:56:35,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:56:35,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:56:35,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:56:35,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:56:35,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:56:35,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:56:35,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:56:35,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:56:35,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:56:35,202 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:56:35,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:56:35,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:56:35,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:56:35,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:56:35,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:56:35,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:56:35,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:56:35,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:56:35,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:56:35,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:56:35,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:56:35,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:56:35,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:56:35,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:56:35,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:56:35,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:56:35,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:56:35,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:56:35,206 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:56:35,207 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:56:35,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:56:35,207 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_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a [2022-10-17 10:56:35,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:56:35,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:56:35,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:56:35,592 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:56:35,593 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:56:35,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-10-17 10:56:35,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/data/0db5e0e1d/b2fdead88d6d40fd91c16ee4d2eebb58/FLAGb36cb0399 [2022-10-17 10:56:36,716 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:56:36,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-10-17 10:56:36,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/data/0db5e0e1d/b2fdead88d6d40fd91c16ee4d2eebb58/FLAGb36cb0399 [2022-10-17 10:56:37,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/data/0db5e0e1d/b2fdead88d6d40fd91c16ee4d2eebb58 [2022-10-17 10:56:37,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:56:37,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:56:37,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:37,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:56:37,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:56:37,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:37" (1/1) ... [2022-10-17 10:56:37,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0f3292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:37, skipping insertion in model container [2022-10-17 10:56:37,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:37" (1/1) ... [2022-10-17 10:56:37,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:56:37,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:56:40,257 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_94fd3fb7-fd42-423c-836f-d13640b663ff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-10-17 10:56:40,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:40,527 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:56:41,220 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_94fd3fb7-fd42-423c-836f-d13640b663ff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-10-17 10:56:41,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:41,477 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:56:41,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41 WrapperNode [2022-10-17 10:56:41,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:41,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:41,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:56:41,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:56:41,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:41,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:41,904 INFO L138 Inliner]: procedures = 388, calls = 3920, calls flagged for inlining = 190, calls inlined = 187, statements flattened = 7932 [2022-10-17 10:56:41,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:41,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:56:41,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:56:41,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:56:41,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:41,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:41,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:41,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:42,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:42,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:42,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:42,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:42,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:56:42,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:56:42,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:56:42,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:56:42,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (1/1) ... [2022-10-17 10:56:42,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:56:42,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:42,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:42,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94fd3fb7-fd42-423c-836f-d13640b663ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:56:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-10-17 10:56:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-10-17 10:56:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-10-17 10:56:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-10-17 10:56:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-10-17 10:56:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-10-17 10:56:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 10:56:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 10:56:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:56:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:56:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-17 10:56:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-17 10:56:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-10-17 10:56:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-10-17 10:56:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-10-17 10:56:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-10-17 10:56:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 10:56:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 10:56:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-10-17 10:56:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-10-17 10:56:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:56:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:56:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-10-17 10:56:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-10-17 10:56:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2022-10-17 10:56:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2022-10-17 10:56:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-10-17 10:56:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-10-17 10:56:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-10-17 10:56:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-10-17 10:56:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-10-17 10:56:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-10-17 10:56:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-17 10:56:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-17 10:56:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2022-10-17 10:56:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2022-10-17 10:56:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-10-17 10:56:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-10-17 10:56:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-17 10:56:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-17 10:56:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2022-10-17 10:56:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2022-10-17 10:56:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:56:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:56:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-10-17 10:56:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-10-17 10:56:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-10-17 10:56:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-10-17 10:56:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-10-17 10:56:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-10-17 10:56:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-10-17 10:56:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-10-17 10:56:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:56:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:56:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:56:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:56:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-10-17 10:56:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-10-17 10:56:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-10-17 10:56:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-10-17 10:56:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:56:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-10-17 10:56:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-10-17 10:56:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:56:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:56:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:56:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:56:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-10-17 10:56:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-10-17 10:56:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:56:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:56:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:56:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-17 10:56:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-17 10:56:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-10-17 10:56:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-10-17 10:56:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:56:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:56:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-10-17 10:56:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-10-17 10:56:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-10-17 10:56:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-10-17 10:56:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:56:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:56:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:56:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-10-17 10:56:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-10-17 10:56:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:56:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:56:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:56:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-10-17 10:56:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-10-17 10:56:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-10-17 10:56:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-10-17 10:56:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-17 10:56:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-17 10:56:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:56:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:56:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:56:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-10-17 10:56:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-10-17 10:56:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-17 10:56:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-17 10:56:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 10:56:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 10:56:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-10-17 10:56:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-10-17 10:56:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:56:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:56:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:56:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:56:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:56:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:56:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:56:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:56:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:56:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:56:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-17 10:56:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-10-17 10:56:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 10:56:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 10:56:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-10-17 10:56:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-10-17 10:56:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:56:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-10-17 10:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-10-17 10:56:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:56:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:56:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-10-17 10:56:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-10-17 10:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:56:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-10-17 10:56:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-10-17 10:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-10-17 10:56:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-10-17 10:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 10:56:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 10:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 10:56:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 10:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 10:56:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 10:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-10-17 10:56:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-10-17 10:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:56:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2022-10-17 10:56:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2022-10-17 10:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-10-17 10:56:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-10-17 10:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:56:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-17 10:56:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-17 10:56:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:56:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:56:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 10:56:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 10:56:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:56:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-10-17 10:56:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-10-17 10:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-10-17 10:56:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-10-17 10:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2022-10-17 10:56:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2022-10-17 10:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-10-17 10:56:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-10-17 10:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:56:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2022-10-17 10:56:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2022-10-17 10:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-10-17 10:56:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-10-17 10:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:56:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:56:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:56:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-10-17 10:56:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-10-17 10:56:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-10-17 10:56:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-10-17 10:56:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:56:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:56:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:56:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-10-17 10:56:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-10-17 10:56:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:56:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:56:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:56:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-17 10:56:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-17 10:56:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:56:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:56:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-10-17 10:56:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-10-17 10:56:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-17 10:56:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-10-17 10:56:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:56:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:56:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 10:56:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 10:56:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2022-10-17 10:56:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2022-10-17 10:56:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-10-17 10:56:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-10-17 10:56:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-17 10:56:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-17 10:56:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-10-17 10:56:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-10-17 10:56:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-10-17 10:56:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-10-17 10:56:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-10-17 10:56:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-10-17 10:56:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-17 10:56:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-10-17 10:56:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-17 10:56:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-17 10:56:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2022-10-17 10:56:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2022-10-17 10:56:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:56:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:56:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-10-17 10:56:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-10-17 10:56:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-10-17 10:56:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-10-17 10:56:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:56:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:56:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-17 10:56:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-17 10:56:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:56:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:56:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:56:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2022-10-17 10:56:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2022-10-17 10:56:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-10-17 10:56:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-10-17 10:56:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-17 10:56:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-10-17 10:56:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:56:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:56:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-10-17 10:56:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-10-17 10:56:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-10-17 10:56:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-10-17 10:56:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2022-10-17 10:56:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2022-10-17 10:56:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:56:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:56:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-10-17 10:56:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-10-17 10:56:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2022-10-17 10:56:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2022-10-17 10:56:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-10-17 10:56:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-10-17 10:56:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 10:56:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 10:56:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-10-17 10:56:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-10-17 10:56:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-10-17 10:56:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-10-17 10:56:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-10-17 10:56:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-10-17 10:56:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:56:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:56:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:56:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:56:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-10-17 10:56:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-10-17 10:56:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:56:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-17 10:56:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-17 10:56:44,191 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:56:44,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:56:44,922 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:57:01,474 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:57:01,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:57:01,518 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:57:01,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:57:01 BoogieIcfgContainer [2022-10-17 10:57:01,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:57:01,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:57:01,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:57:01,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:57:01,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:56:37" (1/3) ... [2022-10-17 10:57:01,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db9a0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:57:01, skipping insertion in model container [2022-10-17 10:57:01,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:41" (2/3) ... [2022-10-17 10:57:01,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db9a0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:57:01, skipping insertion in model container [2022-10-17 10:57:01,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:57:01" (3/3) ... [2022-10-17 10:57:01,543 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-10-17 10:57:01,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:57:01,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:57:01,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:57:01,726 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ec290f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:57:01,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:57:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 1698 states have (on average 1.3468786808009423) internal successors, (2287), 1734 states have internal predecessors, (2287), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) [2022-10-17 10:57:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-17 10:57:01,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:57:01,807 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:57:01,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:57:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:57:01,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1536291652, now seen corresponding path program 1 times [2022-10-17 10:57:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:57:01,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720087372] [2022-10-17 10:57:01,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:57:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:57:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:57:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:57:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:57:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:57:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:57:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:57:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:57:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:57:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:57:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:57:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:57:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:57:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:57:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-10-17 10:57:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-17 10:57:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-17 10:57:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-10-17 10:57:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-17 10:57:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-17 10:57:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-17 10:57:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-17 10:57:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-17 10:57:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-17 10:57:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:57:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-17 10:57:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-10-17 10:57:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:57:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:57:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-10-17 10:57:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:57:04,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720087372] [2022-10-17 10:57:04,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720087372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:57:04,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:57:04,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:57:04,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101270442] [2022-10-17 10:57:04,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:57:04,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:57:04,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:57:04,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:57:04,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:57:04,620 INFO L87 Difference]: Start difference. First operand has 2348 states, 1698 states have (on average 1.3468786808009423) internal successors, (2287), 1734 states have internal predecessors, (2287), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)