./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--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_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/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_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/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_ed788857-cbb3-4251-91be-5e63f2c4581d/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 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 --- 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 10:13:25,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:13:25,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:13:25,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:13:25,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:13:25,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:13:25,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:13:25,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:13:25,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:13:25,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:13:25,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:13:25,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:13:25,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:13:25,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:13:25,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:13:25,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:13:25,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:13:25,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:13:25,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:13:25,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:13:25,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:13:25,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:13:25,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:13:25,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:13:25,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:13:25,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:13:25,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:13:25,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:13:25,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:13:25,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:13:25,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:13:25,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:13:25,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:13:25,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:13:25,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:13:25,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:13:25,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:13:25,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:13:25,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:13:25,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:13:25,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:13:25,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:13:25,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:13:25,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:13:25,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:13:25,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:13:25,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:13:25,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:13:25,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:13:25,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:13:25,237 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:13:25,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:13:25,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:13:25,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:13:25,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:13:25,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:13:25,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:13:25,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:13:25,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:13:25,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:13:25,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:13:25,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:13:25,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:13:25,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:13:25,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:13:25,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:13:25,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:13:25,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:13:25,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:13:25,244 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:13:25,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:13:25,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:13:25,245 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_ed788857-cbb3-4251-91be-5e63f2c4581d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 [2022-10-17 10:13:25,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:13:25,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:13:25,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:13:25,625 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:13:25,626 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:13:25,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-10-17 10:13:25,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/data/7cb04a757/c5f994449492458ea90b79a51be2a6bb/FLAG165853597 [2022-10-17 10:13:26,675 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:13:26,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-10-17 10:13:26,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/data/7cb04a757/c5f994449492458ea90b79a51be2a6bb/FLAG165853597 [2022-10-17 10:13:27,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/data/7cb04a757/c5f994449492458ea90b79a51be2a6bb [2022-10-17 10:13:27,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:13:27,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:13:27,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:13:27,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:13:27,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:13:27,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:13:27" (1/1) ... [2022-10-17 10:13:27,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143fe0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:27, skipping insertion in model container [2022-10-17 10:13:27,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:13:27" (1/1) ... [2022-10-17 10:13:27,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:13:27,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:13:29,302 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_ed788857-cbb3-4251-91be-5e63f2c4581d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2022-10-17 10:13:29,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:13:29,369 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:13:29,932 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_ed788857-cbb3-4251-91be-5e63f2c4581d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2022-10-17 10:13:29,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:13:30,085 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:13:30,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30 WrapperNode [2022-10-17 10:13:30,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:13:30,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:13:30,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:13:30,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:13:30,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,497 INFO L138 Inliner]: procedures = 302, calls = 1935, calls flagged for inlining = 138, calls inlined = 135, statements flattened = 5119 [2022-10-17 10:13:30,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:13:30,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:13:30,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:13:30,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:13:30,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:30,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:31,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:13:31,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:13:31,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:13:31,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:13:31,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (1/1) ... [2022-10-17 10:13:31,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:13:31,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:13:31,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:13:31,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed788857-cbb3-4251-91be-5e63f2c4581d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:13:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-10-17 10:13:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-10-17 10:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2022-10-17 10:13:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2022-10-17 10:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2022-10-17 10:13:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2022-10-17 10:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:13:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2022-10-17 10:13:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2022-10-17 10:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:13:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:13:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:13:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2022-10-17 10:13:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2022-10-17 10:13:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2022-10-17 10:13:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2022-10-17 10:13:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2022-10-17 10:13:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2022-10-17 10:13:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2022-10-17 10:13:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2022-10-17 10:13:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2022-10-17 10:13:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2022-10-17 10:13:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:13:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:13:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2022-10-17 10:13:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2022-10-17 10:13:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:13:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:13:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:13:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:13:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2022-10-17 10:13:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2022-10-17 10:13:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:13:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:13:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-17 10:13:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-17 10:13:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2022-10-17 10:13:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2022-10-17 10:13:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2022-10-17 10:13:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2022-10-17 10:13:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2022-10-17 10:13:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2022-10-17 10:13:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:13:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:13:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-10-17 10:13:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-10-17 10:13:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2022-10-17 10:13:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2022-10-17 10:13:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2022-10-17 10:13:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2022-10-17 10:13:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-17 10:13:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-17 10:13:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2022-10-17 10:13:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2022-10-17 10:13:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:13:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:13:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2022-10-17 10:13:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2022-10-17 10:13:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2022-10-17 10:13:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2022-10-17 10:13:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2022-10-17 10:13:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2022-10-17 10:13:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-10-17 10:13:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-10-17 10:13:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2022-10-17 10:13:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2022-10-17 10:13:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:13:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:13:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2022-10-17 10:13:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2022-10-17 10:13:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2022-10-17 10:13:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2022-10-17 10:13:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2022-10-17 10:13:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2022-10-17 10:13:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-10-17 10:13:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-10-17 10:13:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:13:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:13:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:13:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2022-10-17 10:13:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2022-10-17 10:13:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:13:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2022-10-17 10:13:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2022-10-17 10:13:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2022-10-17 10:13:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2022-10-17 10:13:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2022-10-17 10:13:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2022-10-17 10:13:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:13:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:13:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:13:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:13:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:13:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:13:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2022-10-17 10:13:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2022-10-17 10:13:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:13:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:13:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:13:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 10:13:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 10:13:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:13:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:13:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:13:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2022-10-17 10:13:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2022-10-17 10:13:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2022-10-17 10:13:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2022-10-17 10:13:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2022-10-17 10:13:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2022-10-17 10:13:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:13:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:13:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:13:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:13:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2022-10-17 10:13:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2022-10-17 10:13:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2022-10-17 10:13:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2022-10-17 10:13:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2022-10-17 10:13:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2022-10-17 10:13:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2022-10-17 10:13:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2022-10-17 10:13:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:13:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:13:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2022-10-17 10:13:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2022-10-17 10:13:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-17 10:13:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-17 10:13:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2022-10-17 10:13:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2022-10-17 10:13:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-10-17 10:13:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-10-17 10:13:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:13:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2022-10-17 10:13:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2022-10-17 10:13:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:13:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:13:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:13:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:13:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:13:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 10:13:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 10:13:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2022-10-17 10:13:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2022-10-17 10:13:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 10:13:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 10:13:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2022-10-17 10:13:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2022-10-17 10:13:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:13:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2022-10-17 10:13:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2022-10-17 10:13:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2022-10-17 10:13:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2022-10-17 10:13:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2022-10-17 10:13:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2022-10-17 10:13:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2022-10-17 10:13:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2022-10-17 10:13:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2022-10-17 10:13:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2022-10-17 10:13:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2022-10-17 10:13:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2022-10-17 10:13:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 10:13:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 10:13:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2022-10-17 10:13:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2022-10-17 10:13:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2022-10-17 10:13:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2022-10-17 10:13:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2022-10-17 10:13:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2022-10-17 10:13:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2022-10-17 10:13:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2022-10-17 10:13:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:13:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:13:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2022-10-17 10:13:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2022-10-17 10:13:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:13:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:13:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2022-10-17 10:13:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2022-10-17 10:13:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:13:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2022-10-17 10:13:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2022-10-17 10:13:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2022-10-17 10:13:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2022-10-17 10:13:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:13:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:13:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2022-10-17 10:13:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2022-10-17 10:13:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:13:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:13:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2022-10-17 10:13:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2022-10-17 10:13:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-10-17 10:13:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-10-17 10:13:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:13:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2022-10-17 10:13:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2022-10-17 10:13:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:13:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:13:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:13:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:13:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:13:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:13:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 10:13:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 10:13:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2022-10-17 10:13:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2022-10-17 10:13:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2022-10-17 10:13:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2022-10-17 10:13:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:13:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:13:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2022-10-17 10:13:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2022-10-17 10:13:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2022-10-17 10:13:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2022-10-17 10:13:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-17 10:13:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-17 10:13:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2022-10-17 10:13:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2022-10-17 10:13:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2022-10-17 10:13:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2022-10-17 10:13:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:13:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:13:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2022-10-17 10:13:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2022-10-17 10:13:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 10:13:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 10:13:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:13:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:13:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2022-10-17 10:13:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2022-10-17 10:13:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:13:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2022-10-17 10:13:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2022-10-17 10:13:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2022-10-17 10:13:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2022-10-17 10:13:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:13:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:13:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2022-10-17 10:13:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2022-10-17 10:13:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:13:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:13:32,208 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:13:32,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:13:33,427 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:13:37,489 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:13:37,522 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:13:37,522 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:13:37,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:13:37 BoogieIcfgContainer [2022-10-17 10:13:37,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:13:37,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:13:37,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:13:37,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:13:37,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:13:27" (1/3) ... [2022-10-17 10:13:37,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf6aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:13:37, skipping insertion in model container [2022-10-17 10:13:37,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:30" (2/3) ... [2022-10-17 10:13:37,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf6aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:13:37, skipping insertion in model container [2022-10-17 10:13:37,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:13:37" (3/3) ... [2022-10-17 10:13:37,539 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-10-17 10:13:37,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:13:37,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:13:37,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:13:37,704 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;@12a94404, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:13:37,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:13:37,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 2281 states, 1546 states have (on average 1.3855109961190168) internal successors, (2142), 1633 states have internal predecessors, (2142), 619 states have call successors, (619), 115 states have call predecessors, (619), 114 states have return successors, (611), 589 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-17 10:13:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 10:13:37,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:13:37,753 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, 1, 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 10:13:37,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:13:37,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:13:37,759 INFO L85 PathProgramCache]: Analyzing trace with hash -85815039, now seen corresponding path program 1 times [2022-10-17 10:13:37,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:13:37,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681821205] [2022-10-17 10:13:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:13:37,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:13:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:13:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:13:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:13:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:13:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:13:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:13:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:13:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:13:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:13:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:13:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:13:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:13:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-17 10:13:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-17 10:13:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-17 10:13:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:38,908 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 10:13:38,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:13:38,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681821205] [2022-10-17 10:13:38,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681821205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:13:38,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:13:38,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:13:38,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387144738] [2022-10-17 10:13:38,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:13:38,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:13:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:13:38,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:13:38,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:13:38,952 INFO L87 Difference]: Start difference. First operand has 2281 states, 1546 states have (on average 1.3855109961190168) internal successors, (2142), 1633 states have internal predecessors, (2142), 619 states have call successors, (619), 115 states have call predecessors, (619), 114 states have return successors, (611), 589 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 10:13:47,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:13:47,139 INFO L93 Difference]: Finished difference Result 5125 states and 7862 transitions. [2022-10-17 10:13:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:13:47,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 160 [2022-10-17 10:13:47,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:13:47,218 INFO L225 Difference]: With dead ends: 5125 [2022-10-17 10:13:47,218 INFO L226 Difference]: Without dead ends: 2828 [2022-10-17 10:13:47,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:13:47,251 INFO L413 NwaCegarLoop]: 2720 mSDtfsCounter, 4821 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 4609 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4951 SdHoareTripleChecker+Valid, 4563 SdHoareTripleChecker+Invalid, 6900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4609 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-17 10:13:47,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4951 Valid, 4563 Invalid, 6900 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4609 Valid, 2291 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-17 10:13:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2022-10-17 10:13:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2260. [2022-10-17 10:13:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2260 states, 1535 states have (on average 1.3576547231270357) internal successors, (2084), 1612 states have internal predecessors, (2084), 611 states have call successors, (611), 114 states have call predecessors, (611), 113 states have return successors, (610), 588 states have call predecessors, (610), 610 states have call successors, (610) [2022-10-17 10:13:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 3305 transitions. [2022-10-17 10:13:47,606 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 3305 transitions. Word has length 160 [2022-10-17 10:13:47,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:13:47,606 INFO L495 AbstractCegarLoop]: Abstraction has 2260 states and 3305 transitions. [2022-10-17 10:13:47,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 10:13:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3305 transitions. [2022-10-17 10:13:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-17 10:13:47,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:13:47,616 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, 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 10:13:47,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:13:47,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:13:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:13:47,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1460017047, now seen corresponding path program 1 times [2022-10-17 10:13:47,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:13:47,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012059578] [2022-10-17 10:13:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:13:47,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:13:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:13:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:13:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:13:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:13:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:13:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:13:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:13:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:13:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:13:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:13:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:13:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:13:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:13:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:13:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-17 10:13:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-17 10:13:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:13:48,235 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 10:13:48,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:13:48,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012059578] [2022-10-17 10:13:48,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012059578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:13:48,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:13:48,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:13:48,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309773856] [2022-10-17 10:13:48,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:13:48,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:13:48,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:13:48,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:13:48,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:13:48,244 INFO L87 Difference]: Start difference. First operand 2260 states and 3305 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)