./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--gadget--udc--gr_udc.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_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/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_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/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--gadget--udc--gr_udc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/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_c5644b36-3e85-4858-970d-761458900524/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 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd --- 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 10:40:36,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:40:36,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:40:36,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:40:36,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:40:36,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:40:36,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:40:36,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:40:36,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:40:36,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:40:36,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:40:36,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:40:36,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:40:36,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:40:36,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:40:36,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:40:36,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:40:36,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:40:36,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:40:36,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:40:36,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:40:36,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:40:36,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:40:36,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:40:36,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:40:36,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:40:36,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:40:36,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:40:36,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:40:36,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:40:36,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:40:36,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:40:36,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:40:36,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:40:36,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:40:36,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:40:36,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:40:36,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:40:36,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:40:36,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:40:36,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:40:36,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:40:36,952 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:40:36,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:40:36,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:40:36,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:40:36,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:40:36,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:40:36,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:40:36,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:40:36,959 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:40:36,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:40:36,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:40:36,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:40:36,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:40:36,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:40:36,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:40:36,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:40:36,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:40:36,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:40:36,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:40:36,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:40:36,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:40:36,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:40:36,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:40:36,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:40:36,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:40:36,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:40:36,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:40:36,965 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:40:36,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:40:36,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:40:36,966 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_c5644b36-3e85-4858-970d-761458900524/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd [2022-10-17 10:40:37,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:40:37,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:40:37,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:40:37,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:40:37,288 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:40:37,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-10-17 10:40:37,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/data/477535128/440fc817ca1e499c9eae4125c725ca07/FLAG22666910b [2022-10-17 10:40:38,193 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:40:38,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-10-17 10:40:38,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/data/477535128/440fc817ca1e499c9eae4125c725ca07/FLAG22666910b [2022-10-17 10:40:38,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/data/477535128/440fc817ca1e499c9eae4125c725ca07 [2022-10-17 10:40:38,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:40:38,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:40:38,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:40:38,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:40:38,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:40:38,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:40:38" (1/1) ... [2022-10-17 10:40:38,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c3059f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:38, skipping insertion in model container [2022-10-17 10:40:38,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:40:38" (1/1) ... [2022-10-17 10:40:38,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:40:38,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:40:40,213 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_c5644b36-3e85-4858-970d-761458900524/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2022-10-17 10:40:40,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:40:40,326 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:40:40,793 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_c5644b36-3e85-4858-970d-761458900524/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2022-10-17 10:40:40,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:40:40,915 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:40:40,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40 WrapperNode [2022-10-17 10:40:40,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:40:40,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:40:40,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:40:40,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:40:40,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,301 INFO L138 Inliner]: procedures = 222, calls = 2591, calls flagged for inlining = 88, calls inlined = 85, statements flattened = 5116 [2022-10-17 10:40:41,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:40:41,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:40:41,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:40:41,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:40:41,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:40:41,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:40:41,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:40:41,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:40:41,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (1/1) ... [2022-10-17 10:40:41,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:40:41,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:40:41,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:40:41,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5644b36-3e85-4858-970d-761458900524/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:40:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2022-10-17 10:40:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2022-10-17 10:40:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2022-10-17 10:40:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2022-10-17 10:40:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:40:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2022-10-17 10:40:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2022-10-17 10:40:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:40:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:40:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:40:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-10-17 10:40:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-10-17 10:40:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:40:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:40:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2022-10-17 10:40:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2022-10-17 10:40:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:40:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:40:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:40:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:40:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:40:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:40:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2022-10-17 10:40:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2022-10-17 10:40:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2022-10-17 10:40:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2022-10-17 10:40:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2022-10-17 10:40:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2022-10-17 10:40:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:40:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:40:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2022-10-17 10:40:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2022-10-17 10:40:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2022-10-17 10:40:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2022-10-17 10:40:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:40:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:40:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-10-17 10:40:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-10-17 10:40:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:40:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:40:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2022-10-17 10:40:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2022-10-17 10:40:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:40:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:40:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:40:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2022-10-17 10:40:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2022-10-17 10:40:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2022-10-17 10:40:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2022-10-17 10:40:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2022-10-17 10:40:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2022-10-17 10:40:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2022-10-17 10:40:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2022-10-17 10:40:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:40:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:40:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:40:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:40:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:40:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2022-10-17 10:40:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2022-10-17 10:40:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:40:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:40:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:40:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:40:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2022-10-17 10:40:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2022-10-17 10:40:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2022-10-17 10:40:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2022-10-17 10:40:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-10-17 10:40:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-10-17 10:40:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2022-10-17 10:40:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2022-10-17 10:40:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2022-10-17 10:40:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2022-10-17 10:40:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2022-10-17 10:40:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2022-10-17 10:40:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2022-10-17 10:40:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2022-10-17 10:40:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2022-10-17 10:40:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2022-10-17 10:40:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:40:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:40:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2022-10-17 10:40:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2022-10-17 10:40:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2022-10-17 10:40:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2022-10-17 10:40:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2022-10-17 10:40:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2022-10-17 10:40:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:40:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:40:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:40:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:40:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2022-10-17 10:40:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2022-10-17 10:40:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2022-10-17 10:40:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2022-10-17 10:40:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2022-10-17 10:40:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2022-10-17 10:40:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2022-10-17 10:40:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2022-10-17 10:40:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2022-10-17 10:40:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2022-10-17 10:40:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2022-10-17 10:40:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2022-10-17 10:40:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:40:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2022-10-17 10:40:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2022-10-17 10:40:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2022-10-17 10:40:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2022-10-17 10:40:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-10-17 10:40:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-10-17 10:40:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:40:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:40:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:40:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:40:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2022-10-17 10:40:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2022-10-17 10:40:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:40:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-17 10:40:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-10-17 10:40:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2022-10-17 10:40:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2022-10-17 10:40:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:40:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:40:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:40:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2022-10-17 10:40:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2022-10-17 10:40:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2022-10-17 10:40:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2022-10-17 10:40:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:40:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:40:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:40:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-10-17 10:40:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-10-17 10:40:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2022-10-17 10:40:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2022-10-17 10:40:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:40:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2022-10-17 10:40:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2022-10-17 10:40:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 10:40:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 10:40:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2022-10-17 10:40:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2022-10-17 10:40:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:40:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:40:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-10-17 10:40:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-10-17 10:40:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2022-10-17 10:40:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2022-10-17 10:40:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2022-10-17 10:40:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2022-10-17 10:40:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2022-10-17 10:40:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2022-10-17 10:40:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2022-10-17 10:40:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2022-10-17 10:40:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2022-10-17 10:40:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2022-10-17 10:40:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-17 10:40:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-17 10:40:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2022-10-17 10:40:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2022-10-17 10:40:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-10-17 10:40:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-10-17 10:40:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2022-10-17 10:40:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2022-10-17 10:40:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2022-10-17 10:40:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2022-10-17 10:40:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2022-10-17 10:40:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2022-10-17 10:40:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-10-17 10:40:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-10-17 10:40:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2022-10-17 10:40:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2022-10-17 10:40:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2022-10-17 10:40:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2022-10-17 10:40:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:40:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:40:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:40:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:40:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:40:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2022-10-17 10:40:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2022-10-17 10:40:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:40:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:40:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:40:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:40:42,889 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:40:42,896 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:40:44,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:40:48,173 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:40:48,230 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:40:48,230 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:40:48,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:40:48 BoogieIcfgContainer [2022-10-17 10:40:48,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:40:48,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:40:48,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:40:48,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:40:48,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:40:38" (1/3) ... [2022-10-17 10:40:48,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7e68c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:40:48, skipping insertion in model container [2022-10-17 10:40:48,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:40" (2/3) ... [2022-10-17 10:40:48,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7e68c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:40:48, skipping insertion in model container [2022-10-17 10:40:48,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:40:48" (3/3) ... [2022-10-17 10:40:48,244 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-10-17 10:40:48,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:40:48,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:40:48,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:40:48,358 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;@370f09fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:40:48,358 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:40:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 1545 states, 1106 states have (on average 1.403254972875226) internal successors, (1552), 1150 states have internal predecessors, (1552), 352 states have call successors, (352), 86 states have call predecessors, (352), 85 states have return successors, (342), 330 states have call predecessors, (342), 342 states have call successors, (342) [2022-10-17 10:40:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 10:40:48,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:48,410 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:48,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:48,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:48,419 INFO L85 PathProgramCache]: Analyzing trace with hash 843548331, now seen corresponding path program 1 times [2022-10-17 10:40:48,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:48,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675034362] [2022-10-17 10:40:48,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:48,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:40:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:40:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:40:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:40:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:40:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-17 10:40:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:40:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-17 10:40:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-17 10:40:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-17 10:40:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-10-17 10:40:49,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:49,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675034362] [2022-10-17 10:40:49,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675034362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:49,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:49,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:40:49,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526848430] [2022-10-17 10:40:49,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:49,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:40:49,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:40:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:40:49,943 INFO L87 Difference]: Start difference. First operand has 1545 states, 1106 states have (on average 1.403254972875226) internal successors, (1552), 1150 states have internal predecessors, (1552), 352 states have call successors, (352), 86 states have call predecessors, (352), 85 states have return successors, (342), 330 states have call predecessors, (342), 342 states have call successors, (342) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-17 10:40:53,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:53,834 INFO L93 Difference]: Finished difference Result 3368 states and 5062 transitions. [2022-10-17 10:40:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:40:53,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 164 [2022-10-17 10:40:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:53,879 INFO L225 Difference]: With dead ends: 3368 [2022-10-17 10:40:53,879 INFO L226 Difference]: Without dead ends: 1806 [2022-10-17 10:40:53,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 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 10:40:53,904 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 1939 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 1449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1449 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:53,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 3115 Invalid, 2285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1449 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-17 10:40:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2022-10-17 10:40:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1523. [2022-10-17 10:40:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1096 states have (on average 1.364051094890511) internal successors, (1495), 1128 states have internal predecessors, (1495), 342 states have call successors, (342), 85 states have call predecessors, (342), 84 states have return successors, (341), 329 states have call predecessors, (341), 341 states have call successors, (341) [2022-10-17 10:40:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2178 transitions. [2022-10-17 10:40:54,128 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2178 transitions. Word has length 164 [2022-10-17 10:40:54,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:54,129 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2178 transitions. [2022-10-17 10:40:54,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-17 10:40:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2178 transitions. [2022-10-17 10:40:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 10:40:54,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:54,142 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:54,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:40:54,142 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:54,143 INFO L85 PathProgramCache]: Analyzing trace with hash 114493107, now seen corresponding path program 1 times [2022-10-17 10:40:54,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:54,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137500470] [2022-10-17 10:40:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:54,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:40:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:40:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:40:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:40:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:40:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:40:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-17 10:40:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:40:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-17 10:40:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-17 10:40:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-17 10:40:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:40:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-10-17 10:40:55,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:55,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137500470] [2022-10-17 10:40:55,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137500470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:55,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:55,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:40:55,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072861082] [2022-10-17 10:40:55,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:55,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:40:55,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:55,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:40:55,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:40:55,021 INFO L87 Difference]: Start difference. First operand 1523 states and 2178 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-17 10:41:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:41:01,484 INFO L93 Difference]: Finished difference Result 4938 states and 7152 transitions. [2022-10-17 10:41:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:41:01,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 164 [2022-10-17 10:41:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:41:01,513 INFO L225 Difference]: With dead ends: 4938 [2022-10-17 10:41:01,513 INFO L226 Difference]: Without dead ends: 3445 [2022-10-17 10:41:01,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:41:01,522 INFO L413 NwaCegarLoop]: 2193 mSDtfsCounter, 5636 mSDsluCounter, 2691 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 2947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5827 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 4852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2947 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:41:01,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5827 Valid, 4884 Invalid, 4852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2947 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-17 10:41:01,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2022-10-17 10:41:01,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 2898. [2022-10-17 10:41:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2093 states have (on average 1.3635929288103201) internal successors, (2854), 2156 states have internal predecessors, (2854), 641 states have call successors, (641), 164 states have call predecessors, (641), 163 states have return successors, (640), 616 states have call predecessors, (640), 640 states have call successors, (640) [2022-10-17 10:41:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 4135 transitions. [2022-10-17 10:41:01,711 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 4135 transitions. Word has length 164 [2022-10-17 10:41:01,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:41:01,712 INFO L495 AbstractCegarLoop]: Abstraction has 2898 states and 4135 transitions. [2022-10-17 10:41:01,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-17 10:41:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 4135 transitions. [2022-10-17 10:41:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-17 10:41:01,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:41:01,722 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:01,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:41:01,722 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:41:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:01,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1468676083, now seen corresponding path program 1 times [2022-10-17 10:41:01,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:01,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069861017] [2022-10-17 10:41:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:41:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:41:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:41:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:41:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:41:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:41:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-17 10:41:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:41:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-17 10:41:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-17 10:41:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-17 10:41:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-17 10:41:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-17 10:41:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-17 10:41:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-17 10:41:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:41:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-10-17 10:41:03,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:41:03,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069861017] [2022-10-17 10:41:03,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069861017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:41:03,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:41:03,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:41:03,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965493104] [2022-10-17 10:41:03,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:41:03,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:41:03,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:41:03,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:41:03,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:41:03,038 INFO L87 Difference]: Start difference. First operand 2898 states and 4135 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)