./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8cfca91e359676f221b9d3196f23901e359124e72b956d963114c00faf4f7248 --- 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-4e7fbc6 [2022-11-23 15:52:00,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:52:00,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:52:00,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:52:00,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:52:00,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:52:00,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:52:00,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:52:00,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:52:00,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:52:00,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:52:00,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:52:00,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:52:00,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:52:00,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:52:00,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:52:00,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:52:00,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:52:00,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:52:00,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:52:00,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:52:00,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:52:00,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:52:00,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:52:00,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:52:00,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:52:00,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:52:00,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:52:00,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:52:00,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:52:00,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:52:00,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:52:00,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:52:00,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:52:00,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:52:00,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:52:00,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:52:00,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:52:00,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:52:00,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:52:00,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:52:00,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:52:00,155 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:52:00,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:52:00,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:52:00,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:52:00,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:52:00,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:52:00,158 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:52:00,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:52:00,158 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:52:00,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:52:00,159 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:52:00,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:52:00,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:52:00,160 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:52:00,160 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:52:00,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:52:00,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:52:00,161 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:52:00,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:52:00,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:52:00,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:52:00,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:52:00,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:52:00,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:52:00,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:52:00,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:52:00,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:52:00,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:52:00,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:52:00,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:52:00,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:52:00,166 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:52:00,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:52:00,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:52:00,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:52:00,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:52:00,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:52:00,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:52:00,168 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_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cfca91e359676f221b9d3196f23901e359124e72b956d963114c00faf4f7248 [2022-11-23 15:52:00,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:52:00,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:52:00,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:52:00,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:52:00,489 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:52:00,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2022-11-23 15:52:03,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:52:04,163 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:52:04,164 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2022-11-23 15:52:04,203 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/data/1fb23df51/8b177f8dab7040758bc099d0f68f8f26/FLAG598b82309 [2022-11-23 15:52:04,219 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/data/1fb23df51/8b177f8dab7040758bc099d0f68f8f26 [2022-11-23 15:52:04,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:52:04,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:52:04,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:52:04,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:52:04,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:52:04,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:04" (1/1) ... [2022-11-23 15:52:04,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaad2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04, skipping insertion in model container [2022-11-23 15:52:04,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:04" (1/1) ... [2022-11-23 15:52:04,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:52:04,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:52:05,001 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2022-11-23 15:52:05,002 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2022-11-23 15:52:05,135 WARN L237 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_eb7923a6-b38e-46c3-938c-86b8f7cc049c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i[192641,192654] [2022-11-23 15:52:05,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:52:05,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:52:06,129 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2022-11-23 15:52:06,129 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2022-11-23 15:52:06,140 WARN L237 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_eb7923a6-b38e-46c3-938c-86b8f7cc049c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i[192641,192654] [2022-11-23 15:52:06,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:52:06,529 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:52:06,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06 WrapperNode [2022-11-23 15:52:06,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:52:06,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:52:06,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:52:06,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:52:06,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,758 INFO L138 Inliner]: procedures = 151, calls = 1538, calls flagged for inlining = 53, calls inlined = 38, statements flattened = 2238 [2022-11-23 15:52:06,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:52:06,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:52:06,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:52:06,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:52:06,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:06,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:07,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:07,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:52:07,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:52:07,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:52:07,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:52:07,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (1/1) ... [2022-11-23 15:52:07,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:52:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:07,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:52:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:52:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:52:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 15:52:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 15:52:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2022-11-23 15:52:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2022-11-23 15:52:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:52:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:52:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:52:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:52:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:52:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2022-11-23 15:52:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2022-11-23 15:52:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2022-11-23 15:52:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2022-11-23 15:52:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:52:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:52:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 15:52:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 15:52:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:52:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:52:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 15:52:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 15:52:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:52:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:52:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2022-11-23 15:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2022-11-23 15:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:52:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:52:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:52:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:52:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:52:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 15:52:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 15:52:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-11-23 15:52:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-11-23 15:52:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:52:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-23 15:52:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-23 15:52:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:52:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2022-11-23 15:52:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2022-11-23 15:52:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:52:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:52:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-23 15:52:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-23 15:52:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:52:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-23 15:52:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-23 15:52:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-23 15:52:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-23 15:52:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2022-11-23 15:52:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2022-11-23 15:52:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure queue_control_request [2022-11-23 15:52:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_control_request [2022-11-23 15:52:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:52:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:52:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 15:52:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 15:52:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2022-11-23 15:52:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2022-11-23 15:52:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-23 15:52:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-23 15:52:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:52:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-23 15:52:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-23 15:52:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:52:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:52:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:52:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:52:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:52:07,583 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:52:07,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:52:07,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:52:12,540 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:52:13,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:52:13,108 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:52:13,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:13 BoogieIcfgContainer [2022-11-23 15:52:13,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:52:13,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:52:13,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:52:13,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:52:13,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:52:04" (1/3) ... [2022-11-23 15:52:13,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e40c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:52:13, skipping insertion in model container [2022-11-23 15:52:13,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:06" (2/3) ... [2022-11-23 15:52:13,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e40c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:52:13, skipping insertion in model container [2022-11-23 15:52:13,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:13" (3/3) ... [2022-11-23 15:52:13,127 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2022-11-23 15:52:13,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:52:13,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:52:13,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:52:13,237 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=FINITE_AUTOMATA, 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;@263fd4f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:52:13,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:52:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 378 states, 243 states have (on average 1.3580246913580247) internal successors, (330), 251 states have internal predecessors, (330), 105 states have call successors, (105), 29 states have call predecessors, (105), 28 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-11-23 15:52:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:52:13,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:13,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:13,263 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:13,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:13,270 INFO L85 PathProgramCache]: Analyzing trace with hash 560428856, now seen corresponding path program 1 times [2022-11-23 15:52:13,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:13,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462429365] [2022-11-23 15:52:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:13,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:13,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462429365] [2022-11-23 15:52:13,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462429365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:13,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:13,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:52:13,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256215842] [2022-11-23 15:52:13,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:13,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:13,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:13,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:13,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:13,943 INFO L87 Difference]: Start difference. First operand has 378 states, 243 states have (on average 1.3580246913580247) internal successors, (330), 251 states have internal predecessors, (330), 105 states have call successors, (105), 29 states have call predecessors, (105), 28 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:52:16,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:18,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:18,339 INFO L93 Difference]: Finished difference Result 788 states and 1142 transitions. [2022-11-23 15:52:18,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:18,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-23 15:52:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:18,357 INFO L225 Difference]: With dead ends: 788 [2022-11-23 15:52:18,360 INFO L226 Difference]: Without dead ends: 402 [2022-11-23 15:52:18,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:18,376 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 45 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:18,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 913 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-23 15:52:18,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-11-23 15:52:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2022-11-23 15:52:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 266 states have (on average 1.3458646616541354) internal successors, (358), 269 states have internal predecessors, (358), 105 states have call successors, (105), 31 states have call predecessors, (105), 30 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-23 15:52:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 567 transitions. [2022-11-23 15:52:18,493 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 567 transitions. Word has length 25 [2022-11-23 15:52:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 567 transitions. [2022-11-23 15:52:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:52:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 567 transitions. [2022-11-23 15:52:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-23 15:52:18,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:18,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:18,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:52:18,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:18,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1888213319, now seen corresponding path program 1 times [2022-11-23 15:52:18,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:18,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673187969] [2022-11-23 15:52:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:18,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 15:52:18,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:18,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673187969] [2022-11-23 15:52:18,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673187969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:18,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:18,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:52:18,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139397348] [2022-11-23 15:52:18,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:18,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:18,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:18,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:18,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:18,872 INFO L87 Difference]: Start difference. First operand 402 states and 567 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:52:21,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:23,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:23,538 INFO L93 Difference]: Finished difference Result 892 states and 1277 transitions. [2022-11-23 15:52:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:23,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-11-23 15:52:23,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:23,543 INFO L225 Difference]: With dead ends: 892 [2022-11-23 15:52:23,543 INFO L226 Difference]: Without dead ends: 501 [2022-11-23 15:52:23,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:23,546 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 77 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:23,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1017 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-23 15:52:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-11-23 15:52:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 405. [2022-11-23 15:52:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 269 states have (on average 1.345724907063197) internal successors, (362), 272 states have internal predecessors, (362), 105 states have call successors, (105), 31 states have call predecessors, (105), 30 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-23 15:52:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 571 transitions. [2022-11-23 15:52:23,578 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 571 transitions. Word has length 39 [2022-11-23 15:52:23,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:23,578 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 571 transitions. [2022-11-23 15:52:23,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:52:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 571 transitions. [2022-11-23 15:52:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 15:52:23,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:23,581 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:23,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:52:23,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:23,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash 539646564, now seen corresponding path program 1 times [2022-11-23 15:52:23,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:23,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316418469] [2022-11-23 15:52:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:23,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:52:23,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:23,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316418469] [2022-11-23 15:52:23,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316418469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:23,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:23,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:52:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039561502] [2022-11-23 15:52:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:23,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:23,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:23,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:23,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:23,956 INFO L87 Difference]: Start difference. First operand 405 states and 571 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:52:26,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:28,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:28,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:28,505 INFO L93 Difference]: Finished difference Result 909 states and 1302 transitions. [2022-11-23 15:52:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:28,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-23 15:52:28,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:28,510 INFO L225 Difference]: With dead ends: 909 [2022-11-23 15:52:28,511 INFO L226 Difference]: Without dead ends: 515 [2022-11-23 15:52:28,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:28,513 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 90 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:28,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1020 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-23 15:52:28,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-11-23 15:52:28,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 410. [2022-11-23 15:52:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 274 states have (on average 1.3467153284671534) internal successors, (369), 277 states have internal predecessors, (369), 105 states have call successors, (105), 31 states have call predecessors, (105), 30 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-23 15:52:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 578 transitions. [2022-11-23 15:52:28,539 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 578 transitions. Word has length 41 [2022-11-23 15:52:28,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:28,540 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 578 transitions. [2022-11-23 15:52:28,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:52:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 578 transitions. [2022-11-23 15:52:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 15:52:28,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:28,543 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:28,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:52:28,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:28,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1395306008, now seen corresponding path program 1 times [2022-11-23 15:52:28,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:28,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416065129] [2022-11-23 15:52:28,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:52:29,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:29,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416065129] [2022-11-23 15:52:29,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416065129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:29,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:29,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:52:29,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669934040] [2022-11-23 15:52:29,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:29,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:52:29,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:29,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:52:29,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:52:29,610 INFO L87 Difference]: Start difference. First operand 410 states and 578 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:52:32,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:35,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:36,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:36,150 INFO L93 Difference]: Finished difference Result 882 states and 1234 transitions. [2022-11-23 15:52:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:52:36,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 53 [2022-11-23 15:52:36,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:36,154 INFO L225 Difference]: With dead ends: 882 [2022-11-23 15:52:36,154 INFO L226 Difference]: Without dead ends: 483 [2022-11-23 15:52:36,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:52:36,157 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 456 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:36,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1177 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-23 15:52:36,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-11-23 15:52:36,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 471. [2022-11-23 15:52:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 318 states have (on average 1.3459119496855345) internal successors, (428), 323 states have internal predecessors, (428), 113 states have call successors, (113), 40 states have call predecessors, (113), 39 states have return successors, (112), 110 states have call predecessors, (112), 112 states have call successors, (112) [2022-11-23 15:52:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 653 transitions. [2022-11-23 15:52:36,187 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 653 transitions. Word has length 53 [2022-11-23 15:52:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:36,188 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 653 transitions. [2022-11-23 15:52:36,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:52:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 653 transitions. [2022-11-23 15:52:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 15:52:36,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:36,190 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:36,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:52:36,191 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:36,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1675598234, now seen corresponding path program 1 times [2022-11-23 15:52:36,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:36,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868011748] [2022-11-23 15:52:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:52:36,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:36,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868011748] [2022-11-23 15:52:36,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868011748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:36,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:36,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:52:36,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262997306] [2022-11-23 15:52:36,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:36,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:36,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:36,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:36,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:36,563 INFO L87 Difference]: Start difference. First operand 471 states and 653 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:52:39,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:41,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:41,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:41,707 INFO L93 Difference]: Finished difference Result 1140 states and 1618 transitions. [2022-11-23 15:52:41,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:41,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2022-11-23 15:52:41,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:41,715 INFO L225 Difference]: With dead ends: 1140 [2022-11-23 15:52:41,715 INFO L226 Difference]: Without dead ends: 680 [2022-11-23 15:52:41,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:41,718 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 140 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:41,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 993 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-23 15:52:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-11-23 15:52:41,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 472. [2022-11-23 15:52:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 319 states have (on average 1.3448275862068966) internal successors, (429), 324 states have internal predecessors, (429), 113 states have call successors, (113), 40 states have call predecessors, (113), 39 states have return successors, (112), 110 states have call predecessors, (112), 112 states have call successors, (112) [2022-11-23 15:52:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 654 transitions. [2022-11-23 15:52:41,763 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 654 transitions. Word has length 58 [2022-11-23 15:52:41,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:41,763 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 654 transitions. [2022-11-23 15:52:41,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:52:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 654 transitions. [2022-11-23 15:52:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 15:52:41,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:41,766 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:41,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:52:41,766 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1436786467, now seen corresponding path program 1 times [2022-11-23 15:52:41,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:41,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524739526] [2022-11-23 15:52:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:41,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:52:42,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:42,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524739526] [2022-11-23 15:52:42,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524739526] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:52:42,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10048663] [2022-11-23 15:52:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:42,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:42,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:42,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:52:42,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:52:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:42,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:52:42,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:52:43,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:43,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10048663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:43,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:52:43,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 15:52:43,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680519944] [2022-11-23 15:52:43,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:43,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:43,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:43,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:43,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:43,050 INFO L87 Difference]: Start difference. First operand 472 states and 654 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:52:45,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:47,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:48,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:48,618 INFO L93 Difference]: Finished difference Result 837 states and 1157 transitions. [2022-11-23 15:52:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:48,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 59 [2022-11-23 15:52:48,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:48,623 INFO L225 Difference]: With dead ends: 837 [2022-11-23 15:52:48,623 INFO L226 Difference]: Without dead ends: 834 [2022-11-23 15:52:48,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:48,625 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 359 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:48,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 974 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-23 15:52:48,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-11-23 15:52:48,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 827. [2022-11-23 15:52:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 567 states have (on average 1.343915343915344) internal successors, (762), 574 states have internal predecessors, (762), 192 states have call successors, (192), 68 states have call predecessors, (192), 67 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-23 15:52:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1145 transitions. [2022-11-23 15:52:48,694 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1145 transitions. Word has length 59 [2022-11-23 15:52:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:48,695 INFO L495 AbstractCegarLoop]: Abstraction has 827 states and 1145 transitions. [2022-11-23 15:52:48,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:52:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1145 transitions. [2022-11-23 15:52:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-23 15:52:48,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:48,699 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:48,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:48,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:48,909 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:48,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:48,910 INFO L85 PathProgramCache]: Analyzing trace with hash -241030603, now seen corresponding path program 1 times [2022-11-23 15:52:48,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:48,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965698680] [2022-11-23 15:52:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2022-11-23 15:52:49,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:49,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965698680] [2022-11-23 15:52:49,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965698680] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:52:49,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123431588] [2022-11-23 15:52:49,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:49,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:49,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:49,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:52:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:52:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:50,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:52:50,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-23 15:52:50,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:50,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123431588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:50,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:52:50,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 15:52:50,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890195655] [2022-11-23 15:52:50,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:50,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:50,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:50,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:50,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:50,731 INFO L87 Difference]: Start difference. First operand 827 states and 1145 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:52:53,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:54,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:55,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:55,070 INFO L93 Difference]: Finished difference Result 1319 states and 1834 transitions. [2022-11-23 15:52:55,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:55,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2022-11-23 15:52:55,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:55,077 INFO L225 Difference]: With dead ends: 1319 [2022-11-23 15:52:55,077 INFO L226 Difference]: Without dead ends: 847 [2022-11-23 15:52:55,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:55,080 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 4 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:55,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 893 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-23 15:52:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2022-11-23 15:52:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 831. [2022-11-23 15:52:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 571 states have (on average 1.341506129597198) internal successors, (766), 578 states have internal predecessors, (766), 192 states have call successors, (192), 68 states have call predecessors, (192), 67 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-23 15:52:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1149 transitions. [2022-11-23 15:52:55,185 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1149 transitions. Word has length 164 [2022-11-23 15:52:55,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:55,186 INFO L495 AbstractCegarLoop]: Abstraction has 831 states and 1149 transitions. [2022-11-23 15:52:55,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:52:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1149 transitions. [2022-11-23 15:52:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-23 15:52:55,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:55,193 INFO L195 NwaCegarLoop]: trace histogram [17, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:55,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:55,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:55,407 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:55,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:55,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1251168783, now seen corresponding path program 1 times [2022-11-23 15:52:55,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:55,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529972567] [2022-11-23 15:52:55,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:55,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-23 15:52:55,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:55,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529972567] [2022-11-23 15:52:55,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529972567] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:52:55,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560554986] [2022-11-23 15:52:55,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:55,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:55,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:55,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:52:55,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:52:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:57,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 4387 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:52:57,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-23 15:52:57,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:57,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560554986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:57,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:52:57,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 15:52:57,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421789436] [2022-11-23 15:52:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:57,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:57,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:57,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:57,339 INFO L87 Difference]: Start difference. First operand 831 states and 1149 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-23 15:52:59,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:01,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:03,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:53:03,114 INFO L93 Difference]: Finished difference Result 1312 states and 1820 transitions. [2022-11-23 15:53:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:53:03,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 183 [2022-11-23 15:53:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:53:03,120 INFO L225 Difference]: With dead ends: 1312 [2022-11-23 15:53:03,121 INFO L226 Difference]: Without dead ends: 848 [2022-11-23 15:53:03,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:03,123 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 4 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:53:03,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 893 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-23 15:53:03,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2022-11-23 15:53:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 832. [2022-11-23 15:53:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 572 states have (on average 1.3409090909090908) internal successors, (767), 579 states have internal predecessors, (767), 192 states have call successors, (192), 68 states have call predecessors, (192), 67 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-23 15:53:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1150 transitions. [2022-11-23 15:53:03,173 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1150 transitions. Word has length 183 [2022-11-23 15:53:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:53:03,173 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1150 transitions. [2022-11-23 15:53:03,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-23 15:53:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1150 transitions. [2022-11-23 15:53:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-23 15:53:03,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:53:03,178 INFO L195 NwaCegarLoop]: trace histogram [17, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:03,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:53:03,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:53:03,392 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:53:03,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:53:03,392 INFO L85 PathProgramCache]: Analyzing trace with hash 266118276, now seen corresponding path program 1 times [2022-11-23 15:53:03,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:53:03,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609444858] [2022-11-23 15:53:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:03,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:53:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-11-23 15:53:03,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:03,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609444858] [2022-11-23 15:53:03,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609444858] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:53:03,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448796966] [2022-11-23 15:53:03,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:03,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:53:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:53:03,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:53:04,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:53:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:05,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:53:05,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:53:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-23 15:53:05,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:53:05,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448796966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:53:05,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:53:05,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 15:53:05,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831648055] [2022-11-23 15:53:05,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:53:05,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:53:05,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:53:05,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:53:05,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:05,347 INFO L87 Difference]: Start difference. First operand 832 states and 1150 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-23 15:53:07,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:09,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:10,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:10,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:53:10,995 INFO L93 Difference]: Finished difference Result 1314 states and 1822 transitions. [2022-11-23 15:53:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:53:10,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184 [2022-11-23 15:53:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:53:11,001 INFO L225 Difference]: With dead ends: 1314 [2022-11-23 15:53:11,001 INFO L226 Difference]: Without dead ends: 849 [2022-11-23 15:53:11,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:11,003 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 4 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:53:11,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 892 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-23 15:53:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2022-11-23 15:53:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 833. [2022-11-23 15:53:11,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 573 states have (on average 1.3403141361256545) internal successors, (768), 580 states have internal predecessors, (768), 192 states have call successors, (192), 68 states have call predecessors, (192), 67 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-23 15:53:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1151 transitions. [2022-11-23 15:53:11,053 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1151 transitions. Word has length 184 [2022-11-23 15:53:11,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:53:11,054 INFO L495 AbstractCegarLoop]: Abstraction has 833 states and 1151 transitions. [2022-11-23 15:53:11,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-23 15:53:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1151 transitions. [2022-11-23 15:53:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-23 15:53:11,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:53:11,058 INFO L195 NwaCegarLoop]: trace histogram [17, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:11,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 15:53:11,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 15:53:11,272 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:53:11,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:53:11,272 INFO L85 PathProgramCache]: Analyzing trace with hash -435595228, now seen corresponding path program 1 times [2022-11-23 15:53:11,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:53:11,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178674585] [2022-11-23 15:53:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:11,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:53:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-23 15:53:11,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:11,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178674585] [2022-11-23 15:53:11,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178674585] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:53:11,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471161659] [2022-11-23 15:53:11,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:11,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:53:11,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:53:11,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:53:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:53:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:13,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:53:13,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:53:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-23 15:53:13,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:53:13,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471161659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:53:13,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:53:13,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 15:53:13,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259473006] [2022-11-23 15:53:13,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:53:13,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:53:13,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:53:13,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:53:13,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:13,598 INFO L87 Difference]: Start difference. First operand 833 states and 1151 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-23 15:53:15,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:17,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:53:17,273 INFO L93 Difference]: Finished difference Result 833 states and 1151 transitions. [2022-11-23 15:53:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:53:17,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 185 [2022-11-23 15:53:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:53:17,275 INFO L225 Difference]: With dead ends: 833 [2022-11-23 15:53:17,275 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:53:17,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:17,277 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 370 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:53:17,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 447 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-23 15:53:17,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:53:17,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:53:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:53:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:53:17,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2022-11-23 15:53:17,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:53:17,280 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:53:17,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-23 15:53:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:53:17,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:53:17,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:53:17,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:53:17,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 15:53:17,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:53:20,206 INFO L899 garLoopResultBuilder]: For program point kfreeEXIT(lines 9374 9376) no Hoare annotation was computed. [2022-11-23 15:53:20,206 INFO L902 garLoopResultBuilder]: At program point kfreeENTRY(lines 9374 9376) the Hoare annotation is: true [2022-11-23 15:53:20,206 INFO L899 garLoopResultBuilder]: For program point L7554-2(lines 7554 7559) no Hoare annotation was computed. [2022-11-23 15:53:20,206 INFO L902 garLoopResultBuilder]: At program point L7534(line 7534) the Hoare annotation is: true [2022-11-23 15:53:20,206 INFO L899 garLoopResultBuilder]: For program point L7530(lines 7530 7548) no Hoare annotation was computed. [2022-11-23 15:53:20,206 INFO L899 garLoopResultBuilder]: For program point L7534-1(line 7534) no Hoare annotation was computed. [2022-11-23 15:53:20,206 INFO L899 garLoopResultBuilder]: For program point L7555-1(line 7555) no Hoare annotation was computed. [2022-11-23 15:53:20,207 INFO L902 garLoopResultBuilder]: At program point L7555(line 7555) the Hoare annotation is: true [2022-11-23 15:53:20,207 INFO L902 garLoopResultBuilder]: At program point start_isoc_chainENTRY(lines 7507 7568) the Hoare annotation is: true [2022-11-23 15:53:20,207 INFO L902 garLoopResultBuilder]: At program point L9100(line 9100) the Hoare annotation is: true [2022-11-23 15:53:20,207 INFO L902 garLoopResultBuilder]: At program point L9100-1(line 9100) the Hoare annotation is: true [2022-11-23 15:53:20,207 INFO L899 garLoopResultBuilder]: For program point L7531-1(lines 7531 7533) no Hoare annotation was computed. [2022-11-23 15:53:20,207 INFO L902 garLoopResultBuilder]: At program point L7531(lines 7531 7533) the Hoare annotation is: true [2022-11-23 15:53:20,208 INFO L899 garLoopResultBuilder]: For program point L7523-1(lines 7523 7550) no Hoare annotation was computed. [2022-11-23 15:53:20,208 INFO L899 garLoopResultBuilder]: For program point L7523(lines 7523 7550) no Hoare annotation was computed. [2022-11-23 15:53:20,208 INFO L902 garLoopResultBuilder]: At program point L9109(line 9109) the Hoare annotation is: true [2022-11-23 15:53:20,208 INFO L902 garLoopResultBuilder]: At program point L9109-1(line 9109) the Hoare annotation is: true [2022-11-23 15:53:20,208 INFO L899 garLoopResultBuilder]: For program point start_isoc_chainEXIT(lines 7507 7568) no Hoare annotation was computed. [2022-11-23 15:53:20,208 INFO L902 garLoopResultBuilder]: At program point L9101(line 9101) the Hoare annotation is: true [2022-11-23 15:53:20,209 INFO L902 garLoopResultBuilder]: At program point L7561(lines 7514 7567) the Hoare annotation is: true [2022-11-23 15:53:20,209 INFO L902 garLoopResultBuilder]: At program point L7541(lines 7530 7546) the Hoare annotation is: true [2022-11-23 15:53:20,209 INFO L902 garLoopResultBuilder]: At program point L9110(line 9110) the Hoare annotation is: true [2022-11-23 15:53:20,209 INFO L899 garLoopResultBuilder]: For program point L7554(lines 7554 7559) no Hoare annotation was computed. [2022-11-23 15:53:20,209 INFO L902 garLoopResultBuilder]: At program point set_led_bitENTRY(lines 7299 7324) the Hoare annotation is: true [2022-11-23 15:53:20,209 INFO L899 garLoopResultBuilder]: For program point set_led_bitEXIT(lines 7299 7324) no Hoare annotation was computed. [2022-11-23 15:53:20,210 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 9370 9372) no Hoare annotation was computed. [2022-11-23 15:53:20,210 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 9370 9372) the Hoare annotation is: true [2022-11-23 15:53:20,210 INFO L899 garLoopResultBuilder]: For program point L7360-1(line 7360) no Hoare annotation was computed. [2022-11-23 15:53:20,210 INFO L902 garLoopResultBuilder]: At program point L7360(line 7360) the Hoare annotation is: true [2022-11-23 15:53:20,210 INFO L899 garLoopResultBuilder]: For program point L7356(line 7356) no Hoare annotation was computed. [2022-11-23 15:53:20,210 INFO L899 garLoopResultBuilder]: For program point L7348-1(line 7348) no Hoare annotation was computed. [2022-11-23 15:53:20,211 INFO L902 garLoopResultBuilder]: At program point L7348(line 7348) the Hoare annotation is: true [2022-11-23 15:53:20,211 INFO L899 garLoopResultBuilder]: For program point L7344-1(line 7344) no Hoare annotation was computed. [2022-11-23 15:53:20,211 INFO L902 garLoopResultBuilder]: At program point L7344(line 7344) the Hoare annotation is: true [2022-11-23 15:53:20,211 INFO L899 garLoopResultBuilder]: For program point L7336-1(line 7336) no Hoare annotation was computed. [2022-11-23 15:53:20,211 INFO L902 garLoopResultBuilder]: At program point L7336(line 7336) the Hoare annotation is: true [2022-11-23 15:53:20,211 INFO L899 garLoopResultBuilder]: For program point L7291(lines 7291 7295) no Hoare annotation was computed. [2022-11-23 15:53:20,212 INFO L899 garLoopResultBuilder]: For program point L7357-1(line 7357) no Hoare annotation was computed. [2022-11-23 15:53:20,212 INFO L902 garLoopResultBuilder]: At program point L7357(line 7357) the Hoare annotation is: true [2022-11-23 15:53:20,212 INFO L899 garLoopResultBuilder]: For program point L7353(line 7353) no Hoare annotation was computed. [2022-11-23 15:53:20,212 INFO L902 garLoopResultBuilder]: At program point L7291-2(lines 7288 7298) the Hoare annotation is: true [2022-11-23 15:53:20,212 INFO L899 garLoopResultBuilder]: For program point L7345-1(line 7345) no Hoare annotation was computed. [2022-11-23 15:53:20,212 INFO L902 garLoopResultBuilder]: At program point L7345(line 7345) the Hoare annotation is: true [2022-11-23 15:53:20,213 INFO L899 garLoopResultBuilder]: For program point L7341(line 7341) no Hoare annotation was computed. [2022-11-23 15:53:20,213 INFO L902 garLoopResultBuilder]: At program point L7366(lines 7328 7369) the Hoare annotation is: true [2022-11-23 15:53:20,213 INFO L899 garLoopResultBuilder]: For program point L7337-1(line 7337) no Hoare annotation was computed. [2022-11-23 15:53:20,213 INFO L902 garLoopResultBuilder]: At program point L7337(line 7337) the Hoare annotation is: true [2022-11-23 15:53:20,213 INFO L899 garLoopResultBuilder]: For program point L7362(line 7362) no Hoare annotation was computed. [2022-11-23 15:53:20,213 INFO L902 garLoopResultBuilder]: At program point L7354(line 7354) the Hoare annotation is: true [2022-11-23 15:53:20,214 INFO L899 garLoopResultBuilder]: For program point L7350(line 7350) no Hoare annotation was computed. [2022-11-23 15:53:20,214 INFO L899 garLoopResultBuilder]: For program point handle_ledEXIT(lines 7325 7370) no Hoare annotation was computed. [2022-11-23 15:53:20,214 INFO L899 garLoopResultBuilder]: For program point L7354-1(line 7354) no Hoare annotation was computed. [2022-11-23 15:53:20,214 INFO L902 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2022-11-23 15:53:20,214 INFO L902 garLoopResultBuilder]: At program point L7338(line 7338) the Hoare annotation is: true [2022-11-23 15:53:20,214 INFO L899 garLoopResultBuilder]: For program point L7342-1(line 7342) no Hoare annotation was computed. [2022-11-23 15:53:20,215 INFO L899 garLoopResultBuilder]: For program point L7338-1(line 7338) no Hoare annotation was computed. [2022-11-23 15:53:20,215 INFO L899 garLoopResultBuilder]: For program point L7330(lines 7330 7333) no Hoare annotation was computed. [2022-11-23 15:53:20,215 INFO L899 garLoopResultBuilder]: For program point L7363-1(line 7363) no Hoare annotation was computed. [2022-11-23 15:53:20,215 INFO L902 garLoopResultBuilder]: At program point L7363(line 7363) the Hoare annotation is: true [2022-11-23 15:53:20,215 INFO L899 garLoopResultBuilder]: For program point handle_ledFINAL(lines 7325 7370) no Hoare annotation was computed. [2022-11-23 15:53:20,215 INFO L899 garLoopResultBuilder]: For program point L7359(line 7359) no Hoare annotation was computed. [2022-11-23 15:53:20,216 INFO L899 garLoopResultBuilder]: For program point L7293-1(line 7293) no Hoare annotation was computed. [2022-11-23 15:53:20,216 INFO L902 garLoopResultBuilder]: At program point L7293(line 7293) the Hoare annotation is: true [2022-11-23 15:53:20,216 INFO L899 garLoopResultBuilder]: For program point L7351-1(line 7351) no Hoare annotation was computed. [2022-11-23 15:53:20,216 INFO L902 garLoopResultBuilder]: At program point L7351(line 7351) the Hoare annotation is: true [2022-11-23 15:53:20,216 INFO L902 garLoopResultBuilder]: At program point handle_ledENTRY(lines 7325 7370) the Hoare annotation is: true [2022-11-23 15:53:20,216 INFO L899 garLoopResultBuilder]: For program point L7347(line 7347) no Hoare annotation was computed. [2022-11-23 15:53:20,217 INFO L899 garLoopResultBuilder]: For program point L7343-1(line 7343) no Hoare annotation was computed. [2022-11-23 15:53:20,217 INFO L902 garLoopResultBuilder]: At program point L7343(line 7343) the Hoare annotation is: true [2022-11-23 15:53:20,217 INFO L899 garLoopResultBuilder]: For program point L7339-1(line 7339) no Hoare annotation was computed. [2022-11-23 15:53:20,217 INFO L902 garLoopResultBuilder]: At program point L7339(line 7339) the Hoare annotation is: true [2022-11-23 15:53:20,217 INFO L899 garLoopResultBuilder]: For program point L7335(line 7335) no Hoare annotation was computed. [2022-11-23 15:53:20,217 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 6866 6872) the Hoare annotation is: true [2022-11-23 15:53:20,218 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6870) no Hoare annotation was computed. [2022-11-23 15:53:20,218 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 6866 6872) no Hoare annotation was computed. [2022-11-23 15:53:20,218 INFO L899 garLoopResultBuilder]: For program point reg_timer_1EXIT(lines 8789 8796) no Hoare annotation was computed. [2022-11-23 15:53:20,218 INFO L902 garLoopResultBuilder]: At program point reg_timer_1ENTRY(lines 8789 8796) the Hoare annotation is: true [2022-11-23 15:53:20,218 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 6873 6879) no Hoare annotation was computed. [2022-11-23 15:53:20,218 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 6873 6879) the Hoare annotation is: true [2022-11-23 15:53:20,219 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:53:20,219 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:53:20,219 INFO L902 garLoopResultBuilder]: At program point L7499(lines 7481 7505) the Hoare annotation is: true [2022-11-23 15:53:20,219 INFO L899 garLoopResultBuilder]: For program point fill_isoc_urbEXIT(lines 7476 7506) no Hoare annotation was computed. [2022-11-23 15:53:20,219 INFO L902 garLoopResultBuilder]: At program point fill_isoc_urbENTRY(lines 7476 7506) the Hoare annotation is: true [2022-11-23 15:53:20,219 INFO L899 garLoopResultBuilder]: For program point start_int_fifoEXIT(lines 8012 8042) no Hoare annotation was computed. [2022-11-23 15:53:20,220 INFO L902 garLoopResultBuilder]: At program point L9146(line 9146) the Hoare annotation is: true [2022-11-23 15:53:20,220 INFO L902 garLoopResultBuilder]: At program point L9154-1(line 9154) the Hoare annotation is: true [2022-11-23 15:53:20,220 INFO L899 garLoopResultBuilder]: For program point L8023(lines 8023 8026) no Hoare annotation was computed. [2022-11-23 15:53:20,220 INFO L902 garLoopResultBuilder]: At program point L8021-2(lines 8021 8028) the Hoare annotation is: true [2022-11-23 15:53:20,220 INFO L899 garLoopResultBuilder]: For program point L8021(lines 8021 8028) no Hoare annotation was computed. [2022-11-23 15:53:20,220 INFO L902 garLoopResultBuilder]: At program point L9155(line 9155) the Hoare annotation is: true [2022-11-23 15:53:20,221 INFO L899 garLoopResultBuilder]: For program point L8034-2(lines 8012 8042) no Hoare annotation was computed. [2022-11-23 15:53:20,221 INFO L902 garLoopResultBuilder]: At program point L9145(line 9145) the Hoare annotation is: true [2022-11-23 15:53:20,221 INFO L902 garLoopResultBuilder]: At program point L9145-1(line 9145) the Hoare annotation is: true [2022-11-23 15:53:20,221 INFO L902 garLoopResultBuilder]: At program point start_int_fifoENTRY(lines 8012 8042) the Hoare annotation is: true [2022-11-23 15:53:20,221 INFO L902 garLoopResultBuilder]: At program point L9154(line 9154) the Hoare annotation is: true [2022-11-23 15:53:20,222 INFO L902 garLoopResultBuilder]: At program point L7220(lines 7211 7226) the Hoare annotation is: true [2022-11-23 15:53:20,222 INFO L902 garLoopResultBuilder]: At program point symbolicENTRY(lines 7208 7227) the Hoare annotation is: true [2022-11-23 15:53:20,222 INFO L902 garLoopResultBuilder]: At program point L7221(lines 7221 7224) the Hoare annotation is: true [2022-11-23 15:53:20,222 INFO L899 garLoopResultBuilder]: For program point symbolicEXIT(lines 7208 7227) no Hoare annotation was computed. [2022-11-23 15:53:20,222 INFO L899 garLoopResultBuilder]: For program point L7215(lines 7215 7218) no Hoare annotation was computed. [2022-11-23 15:53:20,222 INFO L899 garLoopResultBuilder]: For program point symbolicFINAL(lines 7208 7227) no Hoare annotation was computed. [2022-11-23 15:53:20,223 INFO L899 garLoopResultBuilder]: For program point usb_control_msgEXIT(lines 9349 9351) no Hoare annotation was computed. [2022-11-23 15:53:20,223 INFO L902 garLoopResultBuilder]: At program point usb_control_msgENTRY(lines 9349 9351) the Hoare annotation is: true [2022-11-23 15:53:20,223 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:53:20,223 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-23 15:53:20,223 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:53:20,223 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6937 6943) the Hoare annotation is: true [2022-11-23 15:53:20,224 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6937 6943) no Hoare annotation was computed. [2022-11-23 15:53:20,224 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-23 15:53:20,224 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-23 15:53:20,224 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:53:20,224 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:53:20,224 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 6813 6815) the Hoare annotation is: true [2022-11-23 15:53:20,225 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 6813 6815) no Hoare annotation was computed. [2022-11-23 15:53:20,225 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 9355 9357) no Hoare annotation was computed. [2022-11-23 15:53:20,225 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 9355 9357) the Hoare annotation is: true [2022-11-23 15:53:20,225 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 7018 7023) the Hoare annotation is: true [2022-11-23 15:53:20,225 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 7018 7023) no Hoare annotation was computed. [2022-11-23 15:53:20,225 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 6816 6832) the Hoare annotation is: true [2022-11-23 15:53:20,226 INFO L899 garLoopResultBuilder]: For program point L6828-1(line 6828) no Hoare annotation was computed. [2022-11-23 15:53:20,226 INFO L902 garLoopResultBuilder]: At program point L6828(line 6828) the Hoare annotation is: true [2022-11-23 15:53:20,226 INFO L899 garLoopResultBuilder]: For program point L6823(lines 6823 6830) no Hoare annotation was computed. [2022-11-23 15:53:20,226 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 6816 6832) no Hoare annotation was computed. [2022-11-23 15:53:20,226 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 6816 6832) no Hoare annotation was computed. [2022-11-23 15:53:20,226 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 9294 9296) no Hoare annotation was computed. [2022-11-23 15:53:20,227 INFO L902 garLoopResultBuilder]: At program point del_timerENTRY(lines 9294 9296) the Hoare annotation is: true [2022-11-23 15:53:20,227 INFO L902 garLoopResultBuilder]: At program point timer_pendingENTRY(lines 6792 6797) the Hoare annotation is: true [2022-11-23 15:53:20,227 INFO L899 garLoopResultBuilder]: For program point timer_pendingEXIT(lines 6792 6797) no Hoare annotation was computed. [2022-11-23 15:53:20,227 INFO L902 garLoopResultBuilder]: At program point usb_alloc_urbENTRY(lines 9345 9347) the Hoare annotation is: true [2022-11-23 15:53:20,227 INFO L899 garLoopResultBuilder]: For program point L9346-1(line 9346) no Hoare annotation was computed. [2022-11-23 15:53:20,227 INFO L902 garLoopResultBuilder]: At program point L9346(line 9346) the Hoare annotation is: true [2022-11-23 15:53:20,228 INFO L899 garLoopResultBuilder]: For program point usb_alloc_urbEXIT(lines 9345 9347) no Hoare annotation was computed. [2022-11-23 15:53:20,228 INFO L899 garLoopResultBuilder]: For program point disable_suitable_timer_1EXIT(lines 8853 8863) no Hoare annotation was computed. [2022-11-23 15:53:20,228 INFO L902 garLoopResultBuilder]: At program point disable_suitable_timer_1ENTRY(lines 8853 8863) the Hoare annotation is: true [2022-11-23 15:53:20,228 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2022-11-23 15:53:20,228 INFO L902 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: true [2022-11-23 15:53:20,229 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 6833 6849) no Hoare annotation was computed. [2022-11-23 15:53:20,229 INFO L899 garLoopResultBuilder]: For program point L6840(lines 6840 6847) no Hoare annotation was computed. [2022-11-23 15:53:20,229 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 6833 6849) the Hoare annotation is: true [2022-11-23 15:53:20,229 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 6833 6849) no Hoare annotation was computed. [2022-11-23 15:53:20,229 INFO L899 garLoopResultBuilder]: For program point L8954(lines 8954 8957) no Hoare annotation was computed. [2022-11-23 15:53:20,229 INFO L899 garLoopResultBuilder]: For program point L8558-2(lines 8558 8601) no Hoare annotation was computed. [2022-11-23 15:53:20,229 INFO L899 garLoopResultBuilder]: For program point L8558-3(lines 8558 8601) no Hoare annotation was computed. [2022-11-23 15:53:20,230 INFO L895 garLoopResultBuilder]: At program point L8591(lines 8558 8600) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,230 INFO L895 garLoopResultBuilder]: At program point L9186(line 9186) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,230 INFO L895 garLoopResultBuilder]: At program point L8228(lines 8228 8232) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,230 INFO L899 garLoopResultBuilder]: For program point L8261-1(lines 8261 8262) no Hoare annotation was computed. [2022-11-23 15:53:20,231 INFO L895 garLoopResultBuilder]: At program point L8261(lines 8261 8262) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,231 INFO L895 garLoopResultBuilder]: At program point L9186-1(line 9186) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,231 INFO L899 garLoopResultBuilder]: For program point L8889(line 8889) no Hoare annotation was computed. [2022-11-23 15:53:20,231 INFO L895 garLoopResultBuilder]: At program point L8625(line 8625) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,231 INFO L899 garLoopResultBuilder]: For program point L8625-1(line 8625) no Hoare annotation was computed. [2022-11-23 15:53:20,232 INFO L895 garLoopResultBuilder]: At program point L8526(lines 8445 8649) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,232 INFO L899 garLoopResultBuilder]: For program point L8923(line 8923) no Hoare annotation was computed. [2022-11-23 15:53:20,232 INFO L899 garLoopResultBuilder]: For program point L8890(lines 8890 8921) no Hoare annotation was computed. [2022-11-23 15:53:20,232 INFO L899 garLoopResultBuilder]: For program point L8461(lines 8461 8465) no Hoare annotation was computed. [2022-11-23 15:53:20,232 INFO L899 garLoopResultBuilder]: For program point L8461-2(lines 8461 8465) no Hoare annotation was computed. [2022-11-23 15:53:20,232 INFO L895 garLoopResultBuilder]: At program point L8362(line 8362) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,233 INFO L899 garLoopResultBuilder]: For program point L8560(line 8560) no Hoare annotation was computed. [2022-11-23 15:53:20,233 INFO L895 garLoopResultBuilder]: At program point L8527(lines 8527 8530) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,233 INFO L899 garLoopResultBuilder]: For program point L8924(lines 8924 8951) no Hoare annotation was computed. [2022-11-23 15:53:20,233 INFO L899 garLoopResultBuilder]: For program point L8462-1(line 8462) no Hoare annotation was computed. [2022-11-23 15:53:20,233 INFO L895 garLoopResultBuilder]: At program point L8561(line 8561) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,234 INFO L899 garLoopResultBuilder]: For program point L8330(lines 8330 8334) no Hoare annotation was computed. [2022-11-23 15:53:20,234 INFO L899 garLoopResultBuilder]: For program point L8561-1(line 8561) no Hoare annotation was computed. [2022-11-23 15:53:20,234 INFO L895 garLoopResultBuilder]: At program point L8462(line 8462) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,234 INFO L895 garLoopResultBuilder]: At program point L8264(lines 8220 8381) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,234 INFO L899 garLoopResultBuilder]: For program point L8892(lines 8892 8918) no Hoare annotation was computed. [2022-11-23 15:53:20,235 INFO L899 garLoopResultBuilder]: For program point L8893(line 8893) no Hoare annotation was computed. [2022-11-23 15:53:20,235 INFO L899 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2022-11-23 15:53:20,235 INFO L899 garLoopResultBuilder]: For program point L8926(lines 8926 8948) no Hoare annotation was computed. [2022-11-23 15:53:20,235 INFO L895 garLoopResultBuilder]: At program point L8464(line 8464) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,235 INFO L899 garLoopResultBuilder]: For program point L8464-1(line 8464) no Hoare annotation was computed. [2022-11-23 15:53:20,235 INFO L902 garLoopResultBuilder]: At program point L8960(line 8960) the Hoare annotation is: true [2022-11-23 15:53:20,236 INFO L899 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2022-11-23 15:53:20,236 INFO L895 garLoopResultBuilder]: At program point L8894(lines 8894 8899) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,236 INFO L895 garLoopResultBuilder]: At program point L8498(lines 8445 8649) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,236 INFO L895 garLoopResultBuilder]: At program point L8234(lines 8234 8235) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,236 INFO L895 garLoopResultBuilder]: At program point L8366-4(lines 8366 8375) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,236 INFO L899 garLoopResultBuilder]: For program point L8366-2(lines 8366 8375) no Hoare annotation was computed. [2022-11-23 15:53:20,237 INFO L899 garLoopResultBuilder]: For program point L8234-1(lines 8234 8235) no Hoare annotation was computed. [2022-11-23 15:53:20,237 INFO L895 garLoopResultBuilder]: At program point L8928(lines 8928 8936) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,237 INFO L895 garLoopResultBuilder]: At program point L8532(lines 8445 8649) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,237 INFO L895 garLoopResultBuilder]: At program point L8499(lines 8499 8502) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,237 INFO L899 garLoopResultBuilder]: For program point L8367-1(line 8367) no Hoare annotation was computed. [2022-11-23 15:53:20,238 INFO L895 garLoopResultBuilder]: At program point L8367(line 8367) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,238 INFO L895 garLoopResultBuilder]: At program point L8962(lines 8871 8967) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,238 INFO L895 garLoopResultBuilder]: At program point L8533(lines 8533 8536) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,238 INFO L895 garLoopResultBuilder]: At program point L8665(line 8665) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,238 INFO L895 garLoopResultBuilder]: At program point L8665-1(line 8665) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,239 INFO L899 garLoopResultBuilder]: For program point L8566(line 8566) no Hoare annotation was computed. [2022-11-23 15:53:20,239 INFO L895 garLoopResultBuilder]: At program point L8368-2(lines 8368 8371) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,239 INFO L899 garLoopResultBuilder]: For program point L8368(lines 8368 8371) no Hoare annotation was computed. [2022-11-23 15:53:20,239 INFO L899 garLoopResultBuilder]: For program point L8236-1(lines 8236 8237) no Hoare annotation was computed. [2022-11-23 15:53:20,239 INFO L895 garLoopResultBuilder]: At program point L8236(lines 8236 8237) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,239 INFO L899 garLoopResultBuilder]: For program point L8269-1(lines 8269 8270) no Hoare annotation was computed. [2022-11-23 15:53:20,240 INFO L895 garLoopResultBuilder]: At program point L8269(lines 8269 8270) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,240 INFO L899 garLoopResultBuilder]: For program point L8567-2(lines 8567 8573) no Hoare annotation was computed. [2022-11-23 15:53:20,240 INFO L899 garLoopResultBuilder]: For program point L7576-2(lines 7576 7586) no Hoare annotation was computed. [2022-11-23 15:53:20,240 INFO L899 garLoopResultBuilder]: For program point L7576(lines 7576 7586) no Hoare annotation was computed. [2022-11-23 15:53:20,240 INFO L899 garLoopResultBuilder]: For program point L8567(lines 8567 8573) no Hoare annotation was computed. [2022-11-23 15:53:20,240 INFO L899 garLoopResultBuilder]: For program point L8369-1(line 8369) no Hoare annotation was computed. [2022-11-23 15:53:20,241 INFO L895 garLoopResultBuilder]: At program point L8369(line 8369) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,241 INFO L895 garLoopResultBuilder]: At program point L8568(line 8568) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,241 INFO L899 garLoopResultBuilder]: For program point L8568-1(line 8568) no Hoare annotation was computed. [2022-11-23 15:53:20,241 INFO L895 garLoopResultBuilder]: At program point L8238(lines 8238 8239) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,241 INFO L899 garLoopResultBuilder]: For program point L8271-1(lines 8271 8272) no Hoare annotation was computed. [2022-11-23 15:53:20,241 INFO L895 garLoopResultBuilder]: At program point L8271(lines 8271 8272) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,242 INFO L895 garLoopResultBuilder]: At program point L9163(line 9163) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,242 INFO L895 garLoopResultBuilder]: At program point L9163-1(line 9163) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,242 INFO L899 garLoopResultBuilder]: For program point L8238-1(lines 8238 8239) no Hoare annotation was computed. [2022-11-23 15:53:20,242 INFO L895 garLoopResultBuilder]: At program point L9164(line 9164) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,242 INFO L895 garLoopResultBuilder]: At program point L8669(line 8669) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,243 INFO L895 garLoopResultBuilder]: At program point L8669-1(line 8669) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,243 INFO L895 garLoopResultBuilder]: At program point L8801(line 8801) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,243 INFO L895 garLoopResultBuilder]: At program point L8801-1(line 8801) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,243 INFO L899 garLoopResultBuilder]: For program point L8537(lines 8537 8648) no Hoare annotation was computed. [2022-11-23 15:53:20,243 INFO L899 garLoopResultBuilder]: For program point L8372(line 8372) no Hoare annotation was computed. [2022-11-23 15:53:20,243 INFO L895 garLoopResultBuilder]: At program point L8438(lines 8420 8653) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,244 INFO L899 garLoopResultBuilder]: For program point L8240-1(lines 8240 8241) no Hoare annotation was computed. [2022-11-23 15:53:20,244 INFO L895 garLoopResultBuilder]: At program point L8240(lines 8240 8241) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,244 INFO L899 garLoopResultBuilder]: For program point L8273-1(lines 8273 8274) no Hoare annotation was computed. [2022-11-23 15:53:20,244 INFO L895 garLoopResultBuilder]: At program point L8273(lines 8273 8274) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,244 INFO L899 garLoopResultBuilder]: For program point L8901(line 8901) no Hoare annotation was computed. [2022-11-23 15:53:20,245 INFO L899 garLoopResultBuilder]: For program point L8637(lines 8637 8644) no Hoare annotation was computed. [2022-11-23 15:53:20,245 INFO L895 garLoopResultBuilder]: At program point L8604(lines 8537 8647) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,245 INFO L895 garLoopResultBuilder]: At program point L8571(line 8571) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,245 INFO L899 garLoopResultBuilder]: For program point L8571-1(line 8571) no Hoare annotation was computed. [2022-11-23 15:53:20,245 INFO L895 garLoopResultBuilder]: At program point L8703(line 8703) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,245 INFO L899 garLoopResultBuilder]: For program point L8670(line 8670) no Hoare annotation was computed. [2022-11-23 15:53:20,246 INFO L899 garLoopResultBuilder]: For program point L8703-1(line 8703) no Hoare annotation was computed. [2022-11-23 15:53:20,246 INFO L895 garLoopResultBuilder]: At program point L8307(lines 8220 8381) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,246 INFO L895 garLoopResultBuilder]: At program point L8439(lines 8439 8442) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,246 INFO L899 garLoopResultBuilder]: For program point L8373-1(line 8373) no Hoare annotation was computed. [2022-11-23 15:53:20,246 INFO L895 garLoopResultBuilder]: At program point L8373(line 8373) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,247 INFO L895 garLoopResultBuilder]: At program point L8902(lines 8902 8914) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,247 INFO L895 garLoopResultBuilder]: At program point L8605(lines 8605 8608) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,247 INFO L899 garLoopResultBuilder]: For program point L8638-1(line 8638) no Hoare annotation was computed. [2022-11-23 15:53:20,247 INFO L895 garLoopResultBuilder]: At program point L8671-2(lines 8671 8674) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,247 INFO L895 garLoopResultBuilder]: At program point L8704(line 8704) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,247 INFO L899 garLoopResultBuilder]: For program point L8671(lines 8671 8674) no Hoare annotation was computed. [2022-11-23 15:53:20,248 INFO L899 garLoopResultBuilder]: For program point L8704-1(line 8704) no Hoare annotation was computed. [2022-11-23 15:53:20,248 INFO L895 garLoopResultBuilder]: At program point L8638(line 8638) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,248 INFO L895 garLoopResultBuilder]: At program point L8242(lines 8242 8243) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,248 INFO L899 garLoopResultBuilder]: For program point L8275-1(lines 8275 8276) no Hoare annotation was computed. [2022-11-23 15:53:20,248 INFO L895 garLoopResultBuilder]: At program point L8275(lines 8275 8276) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,249 INFO L895 garLoopResultBuilder]: At program point L8341(lines 8220 8381) the Hoare annotation is: (and (= ~ldv_spin~0 0) (<= |ULTIMATE.start_hfc_usb_init_~i~4#1| 4)) [2022-11-23 15:53:20,249 INFO L899 garLoopResultBuilder]: For program point L8242-1(lines 8242 8243) no Hoare annotation was computed. [2022-11-23 15:53:20,249 INFO L895 garLoopResultBuilder]: At program point L8837(line 8837) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1)) [2022-11-23 15:53:20,249 INFO L895 garLoopResultBuilder]: At program point L8837-1(line 8837) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1)) [2022-11-23 15:53:20,249 INFO L895 garLoopResultBuilder]: At program point L7582(line 7582) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,249 INFO L895 garLoopResultBuilder]: At program point L8639(line 8639) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,250 INFO L899 garLoopResultBuilder]: For program point L8639-1(line 8639) no Hoare annotation was computed. [2022-11-23 15:53:20,250 INFO L899 garLoopResultBuilder]: For program point L7582-1(line 7582) no Hoare annotation was computed. [2022-11-23 15:53:20,250 INFO L899 garLoopResultBuilder]: For program point L8904-2(lines 8902 8913) no Hoare annotation was computed. [2022-11-23 15:53:20,250 INFO L899 garLoopResultBuilder]: For program point L8541(lines 8541 8544) no Hoare annotation was computed. [2022-11-23 15:53:20,250 INFO L899 garLoopResultBuilder]: For program point L7583-1(line 7583) no Hoare annotation was computed. [2022-11-23 15:53:20,250 INFO L895 garLoopResultBuilder]: At program point L7583(line 7583) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,251 INFO L899 garLoopResultBuilder]: For program point L8376(line 8376) no Hoare annotation was computed. [2022-11-23 15:53:20,251 INFO L899 garLoopResultBuilder]: For program point L8244-1(lines 8244 8245) no Hoare annotation was computed. [2022-11-23 15:53:20,251 INFO L895 garLoopResultBuilder]: At program point L8244(lines 8244 8245) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,251 INFO L899 garLoopResultBuilder]: For program point L8277-1(lines 8277 8278) no Hoare annotation was computed. [2022-11-23 15:53:20,251 INFO L895 garLoopResultBuilder]: At program point L8277(lines 8277 8278) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,252 INFO L899 garLoopResultBuilder]: For program point L8938(line 8938) no Hoare annotation was computed. [2022-11-23 15:53:20,252 INFO L895 garLoopResultBuilder]: At program point L8872(line 8872) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 0)) [2022-11-23 15:53:20,252 INFO L895 garLoopResultBuilder]: At program point L8872-1(line 8872) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 0)) [2022-11-23 15:53:20,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:53:20,252 INFO L895 garLoopResultBuilder]: At program point L8641(line 8641) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,252 INFO L899 garLoopResultBuilder]: For program point L8641-1(line 8641) no Hoare annotation was computed. [2022-11-23 15:53:20,253 INFO L899 garLoopResultBuilder]: For program point L8377-1(line 8377) no Hoare annotation was computed. [2022-11-23 15:53:20,253 INFO L895 garLoopResultBuilder]: At program point L8377(line 8377) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,253 INFO L895 garLoopResultBuilder]: At program point L8939(lines 8939 8944) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,253 INFO L899 garLoopResultBuilder]: For program point L8675(line 8675) no Hoare annotation was computed. [2022-11-23 15:53:20,253 INFO L895 garLoopResultBuilder]: At program point L8378(line 8378) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,253 INFO L895 garLoopResultBuilder]: At program point L8246(lines 8246 8247) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,254 INFO L899 garLoopResultBuilder]: For program point L8378-1(line 8378) no Hoare annotation was computed. [2022-11-23 15:53:20,254 INFO L899 garLoopResultBuilder]: For program point L8246-1(lines 8246 8247) no Hoare annotation was computed. [2022-11-23 15:53:20,254 INFO L895 garLoopResultBuilder]: At program point L8973(line 8973) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,254 INFO L895 garLoopResultBuilder]: At program point L8973-1(line 8973) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,254 INFO L895 garLoopResultBuilder]: At program point L8709(lines 8662 8720) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,254 INFO L899 garLoopResultBuilder]: For program point L8676(lines 8676 8679) no Hoare annotation was computed. [2022-11-23 15:53:20,255 INFO L899 garLoopResultBuilder]: For program point L8676-2(lines 8676 8679) no Hoare annotation was computed. [2022-11-23 15:53:20,255 INFO L899 garLoopResultBuilder]: For program point L8445(lines 8445 8651) no Hoare annotation was computed. [2022-11-23 15:53:20,255 INFO L899 garLoopResultBuilder]: For program point L8445-2(lines 8445 8651) no Hoare annotation was computed. [2022-11-23 15:53:20,255 INFO L899 garLoopResultBuilder]: For program point L8577(line 8577) no Hoare annotation was computed. [2022-11-23 15:53:20,255 INFO L899 garLoopResultBuilder]: For program point L8379-1(line 8379) no Hoare annotation was computed. [2022-11-23 15:53:20,255 INFO L895 garLoopResultBuilder]: At program point L8379(line 8379) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,256 INFO L895 garLoopResultBuilder]: At program point L8511(lines 8445 8649) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,256 INFO L899 garLoopResultBuilder]: For program point L8578(lines 8578 8584) no Hoare annotation was computed. [2022-11-23 15:53:20,256 INFO L899 garLoopResultBuilder]: For program point L8578-2(lines 8578 8584) no Hoare annotation was computed. [2022-11-23 15:53:20,256 INFO L895 garLoopResultBuilder]: At program point L8380(lines 8213 8382) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,256 INFO L895 garLoopResultBuilder]: At program point L9173(line 9173) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,256 INFO L899 garLoopResultBuilder]: For program point L9173-1(line 9173) no Hoare annotation was computed. [2022-11-23 15:53:20,257 INFO L895 garLoopResultBuilder]: At program point L8645(line 8645) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,257 INFO L899 garLoopResultBuilder]: For program point L8645-1(line 8645) no Hoare annotation was computed. [2022-11-23 15:53:20,257 INFO L895 garLoopResultBuilder]: At program point L8579(line 8579) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,257 INFO L899 garLoopResultBuilder]: For program point L8579-1(line 8579) no Hoare annotation was computed. [2022-11-23 15:53:20,257 INFO L895 garLoopResultBuilder]: At program point L7588(lines 7572 7598) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,257 INFO L902 garLoopResultBuilder]: At program point L8910(lines 8871 8967) the Hoare annotation is: true [2022-11-23 15:53:20,258 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:53:20,258 INFO L895 garLoopResultBuilder]: At program point L9175(line 9175) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,258 INFO L895 garLoopResultBuilder]: At program point L9175-1(line 9175) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,258 INFO L895 garLoopResultBuilder]: At program point L8714(line 8714) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,258 INFO L899 garLoopResultBuilder]: For program point L8582-1(line 8582) no Hoare annotation was computed. [2022-11-23 15:53:20,259 INFO L899 garLoopResultBuilder]: For program point L8714-1(line 8714) no Hoare annotation was computed. [2022-11-23 15:53:20,259 INFO L895 garLoopResultBuilder]: At program point L8582(line 8582) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,259 INFO L895 garLoopResultBuilder]: At program point L8351(lines 8220 8381) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,259 INFO L899 garLoopResultBuilder]: For program point L8252-1(lines 8252 8253) no Hoare annotation was computed. [2022-11-23 15:53:20,259 INFO L895 garLoopResultBuilder]: At program point L8252(lines 8252 8253) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,259 INFO L899 garLoopResultBuilder]: For program point L8285-1(line 8285) no Hoare annotation was computed. [2022-11-23 15:53:20,260 INFO L895 garLoopResultBuilder]: At program point L8285(line 8285) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,260 INFO L899 garLoopResultBuilder]: For program point L8946(line 8946) no Hoare annotation was computed. [2022-11-23 15:53:20,260 INFO L895 garLoopResultBuilder]: At program point L8715(line 8715) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,260 INFO L895 garLoopResultBuilder]: At program point L8715-1(line 8715) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,260 INFO L902 garLoopResultBuilder]: At program point L8947(line 8947) the Hoare annotation is: true [2022-11-23 15:53:20,260 INFO L899 garLoopResultBuilder]: For program point L8683(lines 8683 8706) no Hoare annotation was computed. [2022-11-23 15:53:20,261 INFO L899 garLoopResultBuilder]: For program point L8683-1(lines 8683 8706) no Hoare annotation was computed. [2022-11-23 15:53:20,261 INFO L899 garLoopResultBuilder]: For program point L7593-1(line 7593) no Hoare annotation was computed. [2022-11-23 15:53:20,261 INFO L895 garLoopResultBuilder]: At program point L7593(line 7593) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,261 INFO L895 garLoopResultBuilder]: At program point L8617(line 8617) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,261 INFO L899 garLoopResultBuilder]: For program point L8617-1(line 8617) no Hoare annotation was computed. [2022-11-23 15:53:20,261 INFO L899 garLoopResultBuilder]: For program point L8221-1(lines 8221 8222) no Hoare annotation was computed. [2022-11-23 15:53:20,262 INFO L895 garLoopResultBuilder]: At program point L8221(lines 8221 8222) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,262 INFO L899 garLoopResultBuilder]: For program point L8882(lines 8882 8961) no Hoare annotation was computed. [2022-11-23 15:53:20,262 INFO L899 garLoopResultBuilder]: For program point L8684(lines 8684 8692) no Hoare annotation was computed. [2022-11-23 15:53:20,262 INFO L895 garLoopResultBuilder]: At program point L7594(line 7594) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,262 INFO L895 garLoopResultBuilder]: At program point L8783(line 8783) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,263 INFO L895 garLoopResultBuilder]: At program point L8783-1(line 8783) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,263 INFO L895 garLoopResultBuilder]: At program point L7594-1(line 7594) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,263 INFO L895 garLoopResultBuilder]: At program point L8288-1(line 8288) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,263 INFO L895 garLoopResultBuilder]: At program point L8288(line 8288) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,263 INFO L899 garLoopResultBuilder]: For program point L8916(line 8916) no Hoare annotation was computed. [2022-11-23 15:53:20,263 INFO L899 garLoopResultBuilder]: For program point L8883(line 8883) no Hoare annotation was computed. [2022-11-23 15:53:20,264 INFO L895 garLoopResultBuilder]: At program point L8718-1(lines 8655 8721) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,264 INFO L895 garLoopResultBuilder]: At program point L8652(lines 8383 8654) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,264 INFO L895 garLoopResultBuilder]: At program point L8619(line 8619) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,264 INFO L899 garLoopResultBuilder]: For program point L8619-1(line 8619) no Hoare annotation was computed. [2022-11-23 15:53:20,264 INFO L895 garLoopResultBuilder]: At program point L8718(line 8718) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,264 INFO L895 garLoopResultBuilder]: At program point L8322(lines 8220 8381) the Hoare annotation is: (and (= ~ldv_spin~0 0) (<= |ULTIMATE.start_hfc_usb_init_~i~4#1| 4)) [2022-11-23 15:53:20,265 INFO L899 garLoopResultBuilder]: For program point L8223(lines 8223 8227) no Hoare annotation was computed. [2022-11-23 15:53:20,265 INFO L902 garLoopResultBuilder]: At program point L8917(line 8917) the Hoare annotation is: true [2022-11-23 15:53:20,265 INFO L899 garLoopResultBuilder]: For program point L8884(lines 8884 8887) no Hoare annotation was computed. [2022-11-23 15:53:20,265 INFO L899 garLoopResultBuilder]: For program point L8356-2(lines 8356 8365) no Hoare annotation was computed. [2022-11-23 15:53:20,265 INFO L899 garLoopResultBuilder]: For program point L8257-1(lines 8257 8258) no Hoare annotation was computed. [2022-11-23 15:53:20,265 INFO L895 garLoopResultBuilder]: At program point L8257(lines 8257 8258) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,266 INFO L899 garLoopResultBuilder]: For program point L8356-3(lines 8356 8365) no Hoare annotation was computed. [2022-11-23 15:53:20,266 INFO L899 garLoopResultBuilder]: For program point L8357-1(line 8357) no Hoare annotation was computed. [2022-11-23 15:53:20,266 INFO L895 garLoopResultBuilder]: At program point L8357(line 8357) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,266 INFO L899 garLoopResultBuilder]: For program point L8358(lines 8358 8361) no Hoare annotation was computed. [2022-11-23 15:53:20,266 INFO L899 garLoopResultBuilder]: For program point L8259-1(lines 8259 8260) no Hoare annotation was computed. [2022-11-23 15:53:20,266 INFO L895 garLoopResultBuilder]: At program point L8259(lines 8259 8260) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_3~0 1) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,267 INFO L895 garLoopResultBuilder]: At program point L8358-1(lines 8358 8361) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,267 INFO L895 garLoopResultBuilder]: At program point L9184(line 9184) the Hoare annotation is: (and (= ~ldv_spin~0 0) (or (not (= ~ldv_state_variable_3~0 |ULTIMATE.start_main_~tmp___0~8#1|)) |ULTIMATE.start_main_#t~switch703#1|)) [2022-11-23 15:53:20,267 INFO L899 garLoopResultBuilder]: For program point L9184-1(line 9184) no Hoare annotation was computed. [2022-11-23 15:53:20,267 INFO L899 garLoopResultBuilder]: For program point L8953(line 8953) no Hoare annotation was computed. [2022-11-23 15:53:20,267 INFO L899 garLoopResultBuilder]: For program point L8623(lines 8623 8628) no Hoare annotation was computed. [2022-11-23 15:53:20,267 INFO L895 garLoopResultBuilder]: At program point L8359(line 8359) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 15:53:20,268 INFO L899 garLoopResultBuilder]: For program point usb_kill_urbEXIT(lines 9358 9360) no Hoare annotation was computed. [2022-11-23 15:53:20,268 INFO L902 garLoopResultBuilder]: At program point usb_kill_urbENTRY(lines 9358 9360) the Hoare annotation is: true [2022-11-23 15:53:20,268 INFO L899 garLoopResultBuilder]: For program point L7231(lines 7231 7240) no Hoare annotation was computed. [2022-11-23 15:53:20,268 INFO L899 garLoopResultBuilder]: For program point L7231-2(lines 7228 7243) no Hoare annotation was computed. [2022-11-23 15:53:20,268 INFO L902 garLoopResultBuilder]: At program point L9069(line 9069) the Hoare annotation is: true [2022-11-23 15:53:20,268 INFO L902 garLoopResultBuilder]: At program point L9069-1(line 9069) the Hoare annotation is: true [2022-11-23 15:53:20,269 INFO L902 garLoopResultBuilder]: At program point L9070(line 9070) the Hoare annotation is: true [2022-11-23 15:53:20,269 INFO L902 garLoopResultBuilder]: At program point ctrl_start_transferENTRY(lines 7228 7243) the Hoare annotation is: true [2022-11-23 15:53:20,269 INFO L899 garLoopResultBuilder]: For program point ctrl_start_transferEXIT(lines 7228 7243) no Hoare annotation was computed. [2022-11-23 15:53:20,269 INFO L899 garLoopResultBuilder]: For program point ldv_check_alloc_flagsEXIT(lines 9214 9223) no Hoare annotation was computed. [2022-11-23 15:53:20,269 INFO L899 garLoopResultBuilder]: For program point L9217(lines 9217 9220) no Hoare annotation was computed. [2022-11-23 15:53:20,269 INFO L902 garLoopResultBuilder]: At program point ldv_check_alloc_flagsENTRY(lines 9214 9223) the Hoare annotation is: true [2022-11-23 15:53:20,270 INFO L895 garLoopResultBuilder]: At program point L9219(line 9219) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2022-11-23 15:53:20,270 INFO L899 garLoopResultBuilder]: For program point L9219-1(lines 9214 9223) no Hoare annotation was computed. [2022-11-23 15:53:20,270 INFO L899 garLoopResultBuilder]: For program point L7262(lines 7262 7265) no Hoare annotation was computed. [2022-11-23 15:53:20,270 INFO L902 garLoopResultBuilder]: At program point L7263(line 7263) the Hoare annotation is: true [2022-11-23 15:53:20,270 INFO L899 garLoopResultBuilder]: For program point L7262-1(lines 7262 7265) no Hoare annotation was computed. [2022-11-23 15:53:20,270 INFO L902 garLoopResultBuilder]: At program point queue_control_requestENTRY(lines 7244 7268) the Hoare annotation is: true [2022-11-23 15:53:20,271 INFO L899 garLoopResultBuilder]: For program point queue_control_requestEXIT(lines 7244 7268) no Hoare annotation was computed. [2022-11-23 15:53:20,271 INFO L899 garLoopResultBuilder]: For program point queue_control_requestFINAL(lines 7244 7268) no Hoare annotation was computed. [2022-11-23 15:53:20,271 INFO L899 garLoopResultBuilder]: For program point L7248(lines 7248 7251) no Hoare annotation was computed. [2022-11-23 15:53:20,274 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:20,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:53:20,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:53:20 BoogieIcfgContainer [2022-11-23 15:53:20,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:53:20,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:53:20,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:53:20,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:53:20,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:13" (3/4) ... [2022-11-23 15:53:20,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:53:20,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2022-11-23 15:53:20,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure start_isoc_chain [2022-11-23 15:53:20,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_led_bit [2022-11-23 15:53:20,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure handle_led [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_1 [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fill_isoc_urb [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure start_int_fifo [2022-11-23 15:53:20,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure symbolic [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_control_msg [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-23 15:53:20,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-11-23 15:53:20,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-23 15:53:20,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-23 15:53:20,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timer_pending [2022-11-23 15:53:20,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2022-11-23 15:53:20,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_timer_1 [2022-11-23 15:53:20,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-23 15:53:20,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_urb [2022-11-23 15:53:20,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ctrl_start_transfer [2022-11-23 15:53:20,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2022-11-23 15:53:20,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_control_request [2022-11-23 15:53:20,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 328 nodes and edges [2022-11-23 15:53:20,387 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2022-11-23 15:53:20,390 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2022-11-23 15:53:20,393 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-23 15:53:20,396 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 15:53:20,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:53:20,402 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:53:20,413 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:53:20,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:53:20,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:53:20,751 INFO L158 Benchmark]: Toolchain (without parser) took 76527.26ms. Allocated memory was 167.8MB in the beginning and 429.9MB in the end (delta: 262.1MB). Free memory was 124.5MB in the beginning and 191.3MB in the end (delta: -66.8MB). Peak memory consumption was 197.3MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,752 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:53:20,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2304.15ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 124.5MB in the beginning and 139.9MB in the end (delta: -15.4MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.85ms. Allocated memory is still 243.3MB. Free memory was 139.9MB in the beginning and 124.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,753 INFO L158 Benchmark]: Boogie Preprocessor took 265.70ms. Allocated memory is still 243.3MB. Free memory was 124.1MB in the beginning and 163.9MB in the end (delta: -39.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,753 INFO L158 Benchmark]: RCFGBuilder took 6086.94ms. Allocated memory was 243.3MB in the beginning and 348.1MB in the end (delta: 104.9MB). Free memory was 163.9MB in the beginning and 211.9MB in the end (delta: -48.0MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,754 INFO L158 Benchmark]: TraceAbstraction took 67213.42ms. Allocated memory was 348.1MB in the beginning and 429.9MB in the end (delta: 81.8MB). Free memory was 210.8MB in the beginning and 240.5MB in the end (delta: -29.7MB). Peak memory consumption was 211.4MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,754 INFO L158 Benchmark]: Witness Printer took 419.73ms. Allocated memory is still 429.9MB. Free memory was 240.5MB in the beginning and 191.3MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-23 15:53:20,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2304.15ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 124.5MB in the beginning and 139.9MB in the end (delta: -15.4MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.85ms. Allocated memory is still 243.3MB. Free memory was 139.9MB in the beginning and 124.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 265.70ms. Allocated memory is still 243.3MB. Free memory was 124.1MB in the beginning and 163.9MB in the end (delta: -39.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6086.94ms. Allocated memory was 243.3MB in the beginning and 348.1MB in the end (delta: 104.9MB). Free memory was 163.9MB in the beginning and 211.9MB in the end (delta: -48.0MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * TraceAbstraction took 67213.42ms. Allocated memory was 348.1MB in the beginning and 429.9MB in the end (delta: 81.8MB). Free memory was 210.8MB in the beginning and 240.5MB in the end (delta: -29.7MB). Peak memory consumption was 211.4MB. Max. memory is 16.1GB. * Witness Printer took 419.73ms. Allocated memory is still 429.9MB. Free memory was 240.5MB in the beginning and 191.3MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 379 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.1s, OverallIterations: 10, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 1675 SdHoareTripleChecker+Valid, 49.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1549 mSDsluCounter, 9219 SdHoareTripleChecker+Invalid, 48.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4332 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1799 IncrementalHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 4887 mSDtfsCounter, 1799 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 813 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=833occurred in iteration=9, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 476 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 191 LocationsWithAnnotation, 2677 PreInvPairs, 2936 NumberOfFragments, 1157 HoareAnnotationTreeSize, 2677 FomulaSimplifications, 787 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 191 FomulaSimplificationsInter, 3754 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1766 NumberOfCodeBlocks, 1766 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1751 ConstructedInterpolants, 0 QuantifiedInterpolants, 2310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 19720 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 2235/2240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9164]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8662]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 9101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7594]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8445]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8220]: Loop Invariant Derived loop invariant: ldv_spin == 0 && i <= 4 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8715]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 9070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8288]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8837]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_3 == 1 - InvariantResult [Line: 8783]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8973]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8445]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8928]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 7211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7572]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 9175]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8383]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8558]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8220]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8527]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8801]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8939]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8213]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 9146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8445]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8420]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 6873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8439]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8220]: Loop Invariant Derived loop invariant: ldv_spin == 0 && i <= 4 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8220]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8655]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8228]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8445]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 9110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8499]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8871]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 9186]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8220]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8605]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8533]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8894]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8872]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_3 == 0 - InvariantResult [Line: 8537]: Loop Invariant Derived loop invariant: (ldv_spin == 0 && ldv_state_variable_3 == 1) && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 8021]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8665]: Loop Invariant Derived loop invariant: ldv_spin == 0 && (!(ldv_state_variable_3 == tmp___0) || aux-switch (tmp___0) { case 0: ; if (ldv_state_variable_1 != 0) { choose_timer_1(ldv_timer_list_1); } else { } goto ldv_47014; case 1: ; if (ldv_state_variable_0 != 0) { tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { hfc_usb_mod_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_47018; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = hfc_usb_mod_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_47018; default: ldv_stop(); } ldv_47018: ; } else { } goto ldv_47014; case 2: ; if (ldv_state_variable_3 != 0) { tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_1 = hfc_usb_probe(hfc_drv_group1, (struct usb_device_id const *)ldvarg0); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_47023; case 1: ; if (ldv_state_variable_3 == 2 && usb_counter == 0) { hfc_usb_disconnect(hfc_drv_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_47023; default: ldv_stop(); } ldv_47023: ; } else { } goto ldv_47014; case 3: ; if (ldv_state_variable_2 != 0) { choose_timer_2(ldv_timer_list_2); } else { } goto ldv_47014; default: ldv_stop(); }-aux) - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:53:20,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7923a6-b38e-46c3-938c-86b8f7cc049c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE