./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-32_7a-drivers--usb--host--r8a66597-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_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/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_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/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_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/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 6785537a032cb4855d5467e9b639eb667ad8ad30124f23951db0f7bcb4fb8bfb --- 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 10:17:07,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:17:07,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:17:07,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:17:07,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:17:07,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:17:07,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:17:07,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:17:07,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:17:07,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:17:07,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:17:07,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:17:07,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:17:07,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:17:07,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:17:07,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:17:07,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:17:07,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:17:07,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:17:07,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:17:07,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:17:07,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:17:07,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:17:07,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:17:07,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:17:07,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:17:07,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:17:07,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:17:07,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:17:07,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:17:07,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:17:07,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:17:07,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:17:07,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:17:07,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:17:07,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:17:07,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:17:07,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:17:07,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:17:07,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:17:07,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:17:07,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:17:07,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:17:07,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:17:07,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:17:07,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:17:07,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:17:07,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:17:07,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:17:07,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:17:07,925 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:17:07,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:17:07,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:17:07,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:17:07,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:17:07,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:17:07,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:17:07,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:17:07,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:17:07,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:17:07,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:17:07,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:17:07,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:17:07,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:07,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:17:07,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:17:07,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:17:07,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:17:07,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:17:07,929 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:17:07,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:17:07,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:17:07,930 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_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6785537a032cb4855d5467e9b639eb667ad8ad30124f23951db0f7bcb4fb8bfb [2022-10-17 10:17:08,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:17:08,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:17:08,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:17:08,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:17:08,188 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:17:08,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-10-17 10:17:08,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/data/bf4135a02/91e4b936c2354767a3655db7b66230ee/FLAG5b6cdb4ac [2022-10-17 10:17:09,213 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:17:09,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-10-17 10:17:09,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/data/bf4135a02/91e4b936c2354767a3655db7b66230ee/FLAG5b6cdb4ac [2022-10-17 10:17:09,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/data/bf4135a02/91e4b936c2354767a3655db7b66230ee [2022-10-17 10:17:09,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:17:09,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:17:09,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:09,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:17:09,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:17:09,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:09" (1/1) ... [2022-10-17 10:17:09,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4738e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:09, skipping insertion in model container [2022-10-17 10:17:09,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:09" (1/1) ... [2022-10-17 10:17:09,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:17:09,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:17:12,012 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_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[252187,252200] [2022-10-17 10:17:12,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:12,156 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:17:12,612 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_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[252187,252200] [2022-10-17 10:17:12,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:12,770 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:17:12,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12 WrapperNode [2022-10-17 10:17:12,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:12,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:12,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:17:12,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:17:12,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:12,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,143 INFO L138 Inliner]: procedures = 339, calls = 2003, calls flagged for inlining = 135, calls inlined = 131, statements flattened = 5148 [2022-10-17 10:17:13,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:13,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:17:13,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:17:13,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:17:13,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:17:13,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:17:13,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:17:13,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:17:13,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (1/1) ... [2022-10-17 10:17:13,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:17:13,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:17:13,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8d1477-fd39-4568-9686-dfea8f5bf7b3/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:17:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-10-17 10:17:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-10-17 10:17:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2022-10-17 10:17:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2022-10-17 10:17:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2022-10-17 10:17:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2022-10-17 10:17:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:17:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:17:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2022-10-17 10:17:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2022-10-17 10:17:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:17:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:17:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:17:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:17:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:17:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:17:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2022-10-17 10:17:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2022-10-17 10:17:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2022-10-17 10:17:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2022-10-17 10:17:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2022-10-17 10:17:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2022-10-17 10:17:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2022-10-17 10:17:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2022-10-17 10:17:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2022-10-17 10:17:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2022-10-17 10:17:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2022-10-17 10:17:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2022-10-17 10:17:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:17:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:17:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:17:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:17:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2022-10-17 10:17:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2022-10-17 10:17:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:17:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:17:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-17 10:17:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-17 10:17:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2022-10-17 10:17:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2022-10-17 10:17:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2022-10-17 10:17:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2022-10-17 10:17:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2022-10-17 10:17:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2022-10-17 10:17:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:17:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:17:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-10-17 10:17:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-10-17 10:17:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2022-10-17 10:17:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2022-10-17 10:17:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2022-10-17 10:17:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2022-10-17 10:17:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-17 10:17:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-17 10:17:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2022-10-17 10:17:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2022-10-17 10:17:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:17:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:17:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2022-10-17 10:17:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2022-10-17 10:17:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2022-10-17 10:17:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2022-10-17 10:17:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2022-10-17 10:17:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2022-10-17 10:17:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:17:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:17:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-10-17 10:17:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-10-17 10:17:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2022-10-17 10:17:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2022-10-17 10:17:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:17:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:17:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2022-10-17 10:17:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2022-10-17 10:17:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2022-10-17 10:17:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2022-10-17 10:17:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2022-10-17 10:17:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2022-10-17 10:17:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-10-17 10:17:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-10-17 10:17:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:17:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:17:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:17:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2022-10-17 10:17:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2022-10-17 10:17:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:17:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2022-10-17 10:17:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2022-10-17 10:17:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2022-10-17 10:17:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2022-10-17 10:17:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2022-10-17 10:17:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2022-10-17 10:17:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:17:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:17:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:17:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:17:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2022-10-17 10:17:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2022-10-17 10:17:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:17:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:17:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:17:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 10:17:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 10:17:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:17:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:17:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:17:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2022-10-17 10:17:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2022-10-17 10:17:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2022-10-17 10:17:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2022-10-17 10:17:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2022-10-17 10:17:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2022-10-17 10:17:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:17:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:17:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:17:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:17:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:17:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:17:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2022-10-17 10:17:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2022-10-17 10:17:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2022-10-17 10:17:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2022-10-17 10:17:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2022-10-17 10:17:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2022-10-17 10:17:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2022-10-17 10:17:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2022-10-17 10:17:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2022-10-17 10:17:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2022-10-17 10:17:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:17:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:17:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-17 10:17:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-17 10:17:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2022-10-17 10:17:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2022-10-17 10:17:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-10-17 10:17:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-10-17 10:17:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:17:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2022-10-17 10:17:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2022-10-17 10:17:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:17:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:17:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:17:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:17:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:17:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 10:17:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 10:17:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2022-10-17 10:17:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2022-10-17 10:17:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 10:17:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 10:17:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2022-10-17 10:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2022-10-17 10:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2022-10-17 10:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2022-10-17 10:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2022-10-17 10:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2022-10-17 10:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2022-10-17 10:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2022-10-17 10:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2022-10-17 10:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2022-10-17 10:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2022-10-17 10:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2022-10-17 10:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2022-10-17 10:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2022-10-17 10:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 10:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 10:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2022-10-17 10:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2022-10-17 10:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2022-10-17 10:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2022-10-17 10:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2022-10-17 10:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2022-10-17 10:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2022-10-17 10:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2022-10-17 10:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2022-10-17 10:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2022-10-17 10:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2022-10-17 10:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2022-10-17 10:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2022-10-17 10:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2022-10-17 10:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2022-10-17 10:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2022-10-17 10:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2022-10-17 10:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2022-10-17 10:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2022-10-17 10:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2022-10-17 10:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-10-17 10:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-10-17 10:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2022-10-17 10:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2022-10-17 10:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 10:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 10:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2022-10-17 10:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2022-10-17 10:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2022-10-17 10:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2022-10-17 10:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2022-10-17 10:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2022-10-17 10:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2022-10-17 10:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2022-10-17 10:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-17 10:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-17 10:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2022-10-17 10:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2022-10-17 10:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2022-10-17 10:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2022-10-17 10:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2022-10-17 10:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2022-10-17 10:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 10:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 10:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2022-10-17 10:17:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2022-10-17 10:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2022-10-17 10:17:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2022-10-17 10:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2022-10-17 10:17:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2022-10-17 10:17:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:17:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:17:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2022-10-17 10:17:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2022-10-17 10:17:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:17:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:17:14,801 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:17:14,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:17:16,005 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:17:19,911 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:17:19,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:17:19,942 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:17:19,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:19 BoogieIcfgContainer [2022-10-17 10:17:19,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:17:19,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:17:19,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:17:19,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:17:19,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:17:09" (1/3) ... [2022-10-17 10:17:19,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35404e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:19, skipping insertion in model container [2022-10-17 10:17:19,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:12" (2/3) ... [2022-10-17 10:17:19,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35404e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:19, skipping insertion in model container [2022-10-17 10:17:19,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:19" (3/3) ... [2022-10-17 10:17:19,961 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-10-17 10:17:19,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:17:19,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:17:20,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:17:20,128 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;@45349e59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:17:20,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:17:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 2291 states, 1550 states have (on average 1.3851612903225807) internal successors, (2147), 1639 states have internal predecessors, (2147), 625 states have call successors, (625), 115 states have call predecessors, (625), 114 states have return successors, (617), 595 states have call predecessors, (617), 617 states have call successors, (617) [2022-10-17 10:17:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 10:17:20,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:17:20,166 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:20,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:17:20,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:20,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1935893193, now seen corresponding path program 1 times [2022-10-17 10:17:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:20,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764728681] [2022-10-17 10:17:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:17:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:17:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:20,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:17:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:17:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:17:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:17:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:17:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:17:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:17:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-10-17 10:17:21,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:21,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764728681] [2022-10-17 10:17:21,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764728681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:21,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:21,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:21,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931357126] [2022-10-17 10:17:21,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:21,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:17:21,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:21,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:17:21,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:17:21,274 INFO L87 Difference]: Start difference. First operand has 2291 states, 1550 states have (on average 1.3851612903225807) internal successors, (2147), 1639 states have internal predecessors, (2147), 625 states have call successors, (625), 115 states have call predecessors, (625), 114 states have return successors, (617), 595 states have call predecessors, (617), 617 states have call successors, (617) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-17 10:17:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:17:28,271 INFO L93 Difference]: Finished difference Result 5077 states and 7749 transitions. [2022-10-17 10:17:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:17:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 135 [2022-10-17 10:17:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:17:28,330 INFO L225 Difference]: With dead ends: 5077 [2022-10-17 10:17:28,331 INFO L226 Difference]: Without dead ends: 2774 [2022-10-17 10:17:28,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:28,362 INFO L413 NwaCegarLoop]: 2884 mSDtfsCounter, 3577 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 3451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 4867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3451 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:17:28,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3611 Valid, 4038 Invalid, 4867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3451 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-17 10:17:28,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-10-17 10:17:28,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2274. [2022-10-17 10:17:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 1543 states have (on average 1.3570965651328581) internal successors, (2094), 1622 states have internal predecessors, (2094), 617 states have call successors, (617), 114 states have call predecessors, (617), 113 states have return successors, (614), 592 states have call predecessors, (614), 614 states have call successors, (614) [2022-10-17 10:17:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3325 transitions. [2022-10-17 10:17:28,655 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3325 transitions. Word has length 135 [2022-10-17 10:17:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:17:28,656 INFO L495 AbstractCegarLoop]: Abstraction has 2274 states and 3325 transitions. [2022-10-17 10:17:28,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-17 10:17:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3325 transitions. [2022-10-17 10:17:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 10:17:28,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:17:28,662 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:28,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:17:28,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:17:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1304446321, now seen corresponding path program 1 times [2022-10-17 10:17:28,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:28,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585681232] [2022-10-17 10:17:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:28,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:17:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:17:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:17:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:17:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:17:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:17:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:17:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:17:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:17:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-10-17 10:17:29,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:29,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585681232] [2022-10-17 10:17:29,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585681232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:29,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:29,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:17:29,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229858217] [2022-10-17 10:17:29,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:29,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:29,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:29,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:29,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:29,272 INFO L87 Difference]: Start difference. First operand 2274 states and 3325 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)