./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-43_2a-drivers--usb--host--oxu210hp-hcd.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_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/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_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/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_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/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 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de --- 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 10:48:26,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:48:26,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:48:26,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:48:26,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:48:26,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:48:26,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:48:26,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:48:26,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:48:26,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:48:26,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:48:26,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:48:26,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:48:26,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:48:26,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:48:26,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:48:26,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:48:26,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:48:26,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:48:26,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:48:26,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:48:26,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:48:26,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:48:26,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:48:26,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:48:26,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:48:26,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:48:26,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:48:26,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:48:26,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:48:26,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:48:26,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:48:26,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:48:26,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:48:26,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:48:26,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:48:26,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:48:26,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:48:26,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:48:26,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:48:26,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:48:26,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:48:26,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:48:26,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:48:26,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:48:26,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:48:26,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:48:26,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:48:26,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:48:26,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:48:26,819 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:48:26,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:48:26,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:48:26,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:48:26,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:48:26,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:48:26,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:48:26,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:48:26,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:48:26,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:48:26,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:48:26,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:48:26,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:48:26,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:48:26,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:48:26,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:48:26,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:48:26,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:48:26,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:48:26,837 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:48:26,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:48:26,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:48:26,838 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_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de [2022-10-17 10:48:27,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:48:27,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:48:27,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:48:27,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:48:27,171 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:48:27,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 10:48:27,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/data/7bf47d105/e126a06638c0497aa36f58d1f41fc026/FLAGbf90143d4 [2022-10-17 10:48:28,134 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:48:28,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 10:48:28,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/data/7bf47d105/e126a06638c0497aa36f58d1f41fc026/FLAGbf90143d4 [2022-10-17 10:48:28,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/data/7bf47d105/e126a06638c0497aa36f58d1f41fc026 [2022-10-17 10:48:28,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:48:28,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:48:28,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:48:28,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:48:28,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:48:28,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:48:28" (1/1) ... [2022-10-17 10:48:28,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca6e7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:28, skipping insertion in model container [2022-10-17 10:48:28,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:48:28" (1/1) ... [2022-10-17 10:48:28,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:48:28,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:48:30,837 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_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2022-10-17 10:48:30,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:48:30,907 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:48:31,436 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_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2022-10-17 10:48:31,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:48:31,563 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:48:31,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31 WrapperNode [2022-10-17 10:48:31,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:48:31,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:48:31,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:48:31,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:48:31,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:31,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,127 INFO L138 Inliner]: procedures = 272, calls = 2959, calls flagged for inlining = 111, calls inlined = 108, statements flattened = 7643 [2022-10-17 10:48:32,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:48:32,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:48:32,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:48:32,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:48:32,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:48:32,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:48:32,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:48:32,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:48:32,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (1/1) ... [2022-10-17 10:48:32,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:48:32,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:32,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:32,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e06cb3-b3a5-4c70-a3bd-5ab8a9e44ecd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:48:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-10-17 10:48:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-10-17 10:48:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-10-17 10:48:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-10-17 10:48:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-10-17 10:48:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-10-17 10:48:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:48:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:48:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 10:48:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 10:48:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:48:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:48:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:48:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:48:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2022-10-17 10:48:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2022-10-17 10:48:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:48:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:48:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 10:48:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 10:48:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:48:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:48:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:48:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:48:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2022-10-17 10:48:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2022-10-17 10:48:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2022-10-17 10:48:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2022-10-17 10:48:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2022-10-17 10:48:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2022-10-17 10:48:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:48:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:48:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-10-17 10:48:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-10-17 10:48:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2022-10-17 10:48:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2022-10-17 10:48:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2022-10-17 10:48:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2022-10-17 10:48:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:48:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:48:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2022-10-17 10:48:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2022-10-17 10:48:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-17 10:48:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-17 10:48:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:48:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:48:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2022-10-17 10:48:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2022-10-17 10:48:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2022-10-17 10:48:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2022-10-17 10:48:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-10-17 10:48:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-10-17 10:48:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:48:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:48:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 10:48:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 10:48:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:48:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:48:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2022-10-17 10:48:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2022-10-17 10:48:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:48:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:48:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:48:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-10-17 10:48:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-10-17 10:48:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:48:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-10-17 10:48:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-10-17 10:48:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:48:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:48:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:48:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:48:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:48:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2022-10-17 10:48:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2022-10-17 10:48:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:48:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:48:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2022-10-17 10:48:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2022-10-17 10:48:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:48:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:48:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2022-10-17 10:48:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2022-10-17 10:48:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:48:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:48:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-10-17 10:48:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-10-17 10:48:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2022-10-17 10:48:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2022-10-17 10:48:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-10-17 10:48:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-10-17 10:48:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-10-17 10:48:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-10-17 10:48:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2022-10-17 10:48:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2022-10-17 10:48:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2022-10-17 10:48:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2022-10-17 10:48:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:48:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:48:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2022-10-17 10:48:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2022-10-17 10:48:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-10-17 10:48:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-10-17 10:48:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-10-17 10:48:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:48:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:48:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-17 10:48:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-17 10:48:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 10:48:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 10:48:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:48:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2022-10-17 10:48:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2022-10-17 10:48:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:48:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:48:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2022-10-17 10:48:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2022-10-17 10:48:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:48:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2022-10-17 10:48:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2022-10-17 10:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2022-10-17 10:48:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2022-10-17 10:48:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 10:48:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 10:48:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:48:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:48:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:48:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:48:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:48:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-10-17 10:48:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-10-17 10:48:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-10-17 10:48:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-10-17 10:48:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2022-10-17 10:48:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2022-10-17 10:48:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2022-10-17 10:48:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2022-10-17 10:48:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 10:48:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 10:48:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:48:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:48:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:48:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:48:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:48:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:48:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:48:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 10:48:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 10:48:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:48:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:48:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2022-10-17 10:48:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2022-10-17 10:48:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2022-10-17 10:48:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2022-10-17 10:48:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:48:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:48:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-10-17 10:48:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-10-17 10:48:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:48:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 10:48:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 10:48:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-17 10:48:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2022-10-17 10:48:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2022-10-17 10:48:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2022-10-17 10:48:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2022-10-17 10:48:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2022-10-17 10:48:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2022-10-17 10:48:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:48:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:48:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:48:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:48:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:48:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2022-10-17 10:48:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2022-10-17 10:48:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2022-10-17 10:48:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2022-10-17 10:48:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-10-17 10:48:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-10-17 10:48:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-10-17 10:48:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-10-17 10:48:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:48:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:48:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-10-17 10:48:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-10-17 10:48:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:48:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2022-10-17 10:48:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2022-10-17 10:48:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2022-10-17 10:48:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2022-10-17 10:48:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-10-17 10:48:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-10-17 10:48:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:48:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:48:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2022-10-17 10:48:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2022-10-17 10:48:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:48:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:48:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2022-10-17 10:48:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2022-10-17 10:48:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2022-10-17 10:48:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2022-10-17 10:48:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:48:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:48:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:48:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:48:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-10-17 10:48:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-10-17 10:48:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2022-10-17 10:48:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2022-10-17 10:48:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2022-10-17 10:48:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2022-10-17 10:48:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2022-10-17 10:48:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2022-10-17 10:48:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-17 10:48:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-17 10:48:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-10-17 10:48:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-10-17 10:48:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-17 10:48:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-17 10:48:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-10-17 10:48:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-10-17 10:48:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:48:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:48:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-10-17 10:48:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-10-17 10:48:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 10:48:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 10:48:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2022-10-17 10:48:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2022-10-17 10:48:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2022-10-17 10:48:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2022-10-17 10:48:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:48:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:48:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:48:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:48:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:48:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:48:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:48:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:48:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-10-17 10:48:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-10-17 10:48:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2022-10-17 10:48:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2022-10-17 10:48:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:48:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2022-10-17 10:48:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2022-10-17 10:48:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2022-10-17 10:48:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2022-10-17 10:48:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2022-10-17 10:48:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2022-10-17 10:48:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:48:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:48:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:48:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:48:33,908 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:48:33,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:48:34,430 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:48:46,375 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:48:46,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:48:46,401 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:48:46,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:48:46 BoogieIcfgContainer [2022-10-17 10:48:46,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:48:46,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:48:46,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:48:46,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:48:46,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:48:28" (1/3) ... [2022-10-17 10:48:46,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e8f5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:48:46, skipping insertion in model container [2022-10-17 10:48:46,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:31" (2/3) ... [2022-10-17 10:48:46,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e8f5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:48:46, skipping insertion in model container [2022-10-17 10:48:46,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:48:46" (3/3) ... [2022-10-17 10:48:46,418 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 10:48:46,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:48:46,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:48:46,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:48:46,593 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;@58284cb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:48:46,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:48:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 3128 states, 2296 states have (on average 1.4729965156794425) internal successors, (3382), 2367 states have internal predecessors, (3382), 712 states have call successors, (712), 119 states have call predecessors, (712), 118 states have return successors, (706), 690 states have call predecessors, (706), 706 states have call successors, (706) [2022-10-17 10:48:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-17 10:48:46,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:48:46,744 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:48:46,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:48:46,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:48:46,751 INFO L85 PathProgramCache]: Analyzing trace with hash -283817009, now seen corresponding path program 1 times [2022-10-17 10:48:46,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:48:46,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573149433] [2022-10-17 10:48:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:48:46,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:48:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:48:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:48:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:48:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:48:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:48:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:48:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:48:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:48:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:48:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:48:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:48:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:48:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-17 10:48:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-17 10:48:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 10:48:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:48:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-17 10:48:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-17 10:48:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-17 10:48:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-17 10:48:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-17 10:48:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-17 10:48:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-17 10:48:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-17 10:48:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:48:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-17 10:48:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-17 10:48:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-17 10:48:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-17 10:48:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-17 10:48:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-10-17 10:48:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-17 10:48:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-17 10:48:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-17 10:48:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-10-17 10:48:48,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:48:48,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573149433] [2022-10-17 10:48:48,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573149433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:48:48,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:48:48,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:48:48,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010542225] [2022-10-17 10:48:48,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:48:48,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:48:48,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:48:48,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:48:48,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:48:48,482 INFO L87 Difference]: Start difference. First operand has 3128 states, 2296 states have (on average 1.4729965156794425) internal successors, (3382), 2367 states have internal predecessors, (3382), 712 states have call successors, (712), 119 states have call predecessors, (712), 118 states have return successors, (706), 690 states have call predecessors, (706), 706 states have call successors, (706) Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)