./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--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V --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 cf9409c9644882d0b94992da63085a143a7838c0d2df658a83d1fd7dd6703a4d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:38:13,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:38:13,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:38:13,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:38:13,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:38:13,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:38:13,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:38:13,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:38:13,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:38:13,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:38:13,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:38:13,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:38:13,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:38:13,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:38:13,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:38:13,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:38:13,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:38:13,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:38:13,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:38:13,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:38:13,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:38:13,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:38:13,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:38:13,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:38:13,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:38:13,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:38:13,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:38:13,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:38:13,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:38:13,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:38:13,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:38:13,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:38:13,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:38:13,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:38:13,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:38:13,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:38:13,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:38:13,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:38:13,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:38:13,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:38:13,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:38:13,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:38:13,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:38:13,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:38:13,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:38:13,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:38:13,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:38:13,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:38:13,220 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:38:13,220 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:38:13,220 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:38:13,220 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:38:13,221 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:38:13,221 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:38:13,221 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:38:13,221 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:38:13,221 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:38:13,222 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:38:13,222 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:38:13,222 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:38:13,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:38:13,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:38:13,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:38:13,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:38:13,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:38:13,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:38:13,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:38:13,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:38:13,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:38:13,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:38:13,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:38:13,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:13,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:38:13,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:38:13,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:38:13,226 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:38:13,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:38:13,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:38:13,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:38:13,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:38:13,227 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf9409c9644882d0b94992da63085a143a7838c0d2df658a83d1fd7dd6703a4d [2021-11-23 03:38:13,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:38:13,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:38:13,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:38:13,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:38:13,553 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:38:13,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i [2021-11-23 03:38:13,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/data/c81013ecf/3f19697c788548649e959fe520b06163/FLAG41702dab4 [2021-11-23 03:38:14,512 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:38:14,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i [2021-11-23 03:38:14,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/data/c81013ecf/3f19697c788548649e959fe520b06163/FLAG41702dab4 [2021-11-23 03:38:14,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/data/c81013ecf/3f19697c788548649e959fe520b06163 [2021-11-23 03:38:14,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:38:14,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:38:14,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:14,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:38:14,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:38:14,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:14" (1/1) ... [2021-11-23 03:38:14,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ecf3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:14, skipping insertion in model container [2021-11-23 03:38:14,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:14" (1/1) ... [2021-11-23 03:38:14,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:38:15,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:38:15,617 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5632] [2021-11-23 03:38:15,617 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5633-5634] [2021-11-23 03:38:15,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i[167514,167527] [2021-11-23 03:38:16,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:16,838 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:38:17,017 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5632] [2021-11-23 03:38:17,018 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5633-5634] [2021-11-23 03:38:17,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i[167514,167527] [2021-11-23 03:38:17,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:17,438 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:38:17,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17 WrapperNode [2021-11-23 03:38:17,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:17,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:17,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:38:17,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:38:17,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,689 INFO L137 Inliner]: procedures = 205, calls = 1464, calls flagged for inlining = 88, calls inlined = 65, statements flattened = 2141 [2021-11-23 03:38:17,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:17,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:38:17,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:38:17,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:38:17,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:38:17,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:38:17,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:38:17,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:38:17,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (1/1) ... [2021-11-23 03:38:17,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:17,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:18,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:38:18,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:38:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 03:38:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 03:38:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 03:38:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 03:38:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:38:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 03:38:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:38:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 03:38:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 03:38:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:38:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:38:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_send_msg [2021-11-23 03:38:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_send_msg [2021-11-23 03:38:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:38:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:38:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 03:38:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 03:38:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:38:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_send_simple_msg [2021-11-23 03:38:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_send_simple_msg [2021-11-23 03:38:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 03:38:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 03:38:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:38:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-23 03:38:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-23 03:38:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:38:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:38:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 03:38:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 03:38:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:38:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:38:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_unlink_tx_urbs [2021-11-23 03:38:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_unlink_tx_urbs [2021-11-23 03:38:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:38:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:38:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-23 03:38:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-23 03:38:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 03:38:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 03:38:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:38:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:38:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-11-23 03:38:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-11-23 03:38:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 03:38:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 03:38:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:38:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:38:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:38:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2021-11-23 03:38:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2021-11-23 03:38:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:38:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-23 03:38:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-23 03:38:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:38:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 03:38:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 03:38:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_remove_interfaces [2021-11-23 03:38:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_remove_interfaces [2021-11-23 03:38:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:38:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:38:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 03:38:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 03:38:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 03:38:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 03:38:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-23 03:38:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-23 03:38:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:38:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:38:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-23 03:38:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-23 03:38:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 03:38:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 03:38:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:38:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:38:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:38:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:38:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:38:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_wait_msg [2021-11-23 03:38:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_wait_msg [2021-11-23 03:38:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:38:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 03:38:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 03:38:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 03:38:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 03:38:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:38:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:38:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:38:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:38:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 03:38:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 03:38:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:38:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-11-23 03:38:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-11-23 03:38:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:38:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:38:18,592 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:38:18,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:38:18,851 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:38:20,833 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:38:21,213 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:38:21,214 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:38:21,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:21 BoogieIcfgContainer [2021-11-23 03:38:21,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:38:21,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:38:21,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:38:21,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:38:21,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:38:14" (1/3) ... [2021-11-23 03:38:21,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5c42e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:21, skipping insertion in model container [2021-11-23 03:38:21,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:17" (2/3) ... [2021-11-23 03:38:21,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5c42e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:21, skipping insertion in model container [2021-11-23 03:38:21,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:21" (3/3) ... [2021-11-23 03:38:21,242 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i [2021-11-23 03:38:21,249 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:38:21,249 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:38:21,324 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:38:21,341 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:38:21,342 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:38:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 440 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 291 states have internal predecessors, (376), 119 states have call successors, (119), 43 states have call predecessors, (119), 42 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2021-11-23 03:38:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 03:38:21,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:21,402 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:38:21,402 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:21,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:21,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1410278859, now seen corresponding path program 1 times [2021-11-23 03:38:21,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:21,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877580546] [2021-11-23 03:38:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:21,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:38:22,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:22,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877580546] [2021-11-23 03:38:22,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877580546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:22,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:22,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:22,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157738507] [2021-11-23 03:38:22,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:22,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:22,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:22,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:22,094 INFO L87 Difference]: Start difference. First operand has 440 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 291 states have internal predecessors, (376), 119 states have call successors, (119), 43 states have call predecessors, (119), 42 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-23 03:38:24,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:26,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:28,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:28,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:28,364 INFO L93 Difference]: Finished difference Result 1102 states and 1543 transitions. [2021-11-23 03:38:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:28,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2021-11-23 03:38:28,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:28,399 INFO L225 Difference]: With dead ends: 1102 [2021-11-23 03:38:28,399 INFO L226 Difference]: Without dead ends: 654 [2021-11-23 03:38:28,410 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:28,415 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 299 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:28,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 1056 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2021-11-23 03:38:28,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2021-11-23 03:38:28,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 649. [2021-11-23 03:38:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 419 states have (on average 1.3365155131264916) internal successors, (560), 430 states have internal predecessors, (560), 161 states have call successors, (161), 69 states have call predecessors, (161), 68 states have return successors, (160), 159 states have call predecessors, (160), 160 states have call successors, (160) [2021-11-23 03:38:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 881 transitions. [2021-11-23 03:38:28,579 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 881 transitions. Word has length 34 [2021-11-23 03:38:28,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:28,580 INFO L470 AbstractCegarLoop]: Abstraction has 649 states and 881 transitions. [2021-11-23 03:38:28,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-23 03:38:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 881 transitions. [2021-11-23 03:38:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:38:28,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:28,586 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:38:28,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:38:28,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:28,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:28,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1153740444, now seen corresponding path program 1 times [2021-11-23 03:38:28,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:28,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582963685] [2021-11-23 03:38:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:28,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:38:28,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:28,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582963685] [2021-11-23 03:38:28,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582963685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:28,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:28,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:28,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39003606] [2021-11-23 03:38:28,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:28,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:28,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:28,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:28,815 INFO L87 Difference]: Start difference. First operand 649 states and 881 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 03:38:31,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:33,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:33,665 INFO L93 Difference]: Finished difference Result 1554 states and 2101 transitions. [2021-11-23 03:38:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:33,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2021-11-23 03:38:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:33,673 INFO L225 Difference]: With dead ends: 1554 [2021-11-23 03:38:33,674 INFO L226 Difference]: Without dead ends: 910 [2021-11-23 03:38:33,682 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:33,683 INFO L933 BasicCegarLoop]: 716 mSDtfsCounter, 322 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:33,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 1209 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2021-11-23 03:38:33,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2021-11-23 03:38:33,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2021-11-23 03:38:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 588 states have (on average 1.3299319727891157) internal successors, (782), 602 states have internal predecessors, (782), 221 states have call successors, (221), 98 states have call predecessors, (221), 97 states have return successors, (220), 219 states have call predecessors, (220), 220 states have call successors, (220) [2021-11-23 03:38:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1223 transitions. [2021-11-23 03:38:33,808 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1223 transitions. Word has length 51 [2021-11-23 03:38:33,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:33,809 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1223 transitions. [2021-11-23 03:38:33,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 03:38:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1223 transitions. [2021-11-23 03:38:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 03:38:33,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:33,825 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-23 03:38:33,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:38:33,825 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash -556944147, now seen corresponding path program 1 times [2021-11-23 03:38:33,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:33,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233676488] [2021-11-23 03:38:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:33,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 03:38:34,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:34,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233676488] [2021-11-23 03:38:34,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233676488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:34,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:34,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:34,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559274216] [2021-11-23 03:38:34,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:34,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:34,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:34,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:34,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:34,068 INFO L87 Difference]: Start difference. First operand 907 states and 1223 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-23 03:38:38,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:38,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:38,293 INFO L93 Difference]: Finished difference Result 2064 states and 2793 transitions. [2021-11-23 03:38:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:38,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2021-11-23 03:38:38,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:38,306 INFO L225 Difference]: With dead ends: 2064 [2021-11-23 03:38:38,306 INFO L226 Difference]: Without dead ends: 1170 [2021-11-23 03:38:38,311 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:38,312 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 297 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:38,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 1227 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 03:38:38,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2021-11-23 03:38:38,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1165. [2021-11-23 03:38:38,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 773 states have (on average 1.3389391979301424) internal successors, (1035), 790 states have internal predecessors, (1035), 267 states have call successors, (267), 125 states have call predecessors, (267), 124 states have return successors, (266), 264 states have call predecessors, (266), 266 states have call successors, (266) [2021-11-23 03:38:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1568 transitions. [2021-11-23 03:38:38,393 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1568 transitions. Word has length 55 [2021-11-23 03:38:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:38,394 INFO L470 AbstractCegarLoop]: Abstraction has 1165 states and 1568 transitions. [2021-11-23 03:38:38,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-23 03:38:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1568 transitions. [2021-11-23 03:38:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:38:38,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:38,398 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-23 03:38:38,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:38:38,399 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:38,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:38,399 INFO L85 PathProgramCache]: Analyzing trace with hash -903809922, now seen corresponding path program 1 times [2021-11-23 03:38:38,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:38,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820596682] [2021-11-23 03:38:38,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:38,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 03:38:38,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:38,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820596682] [2021-11-23 03:38:38,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820596682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:38,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:38,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:38,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305160611] [2021-11-23 03:38:38,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:38,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:38,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:38,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:38,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:38,583 INFO L87 Difference]: Start difference. First operand 1165 states and 1568 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 03:38:40,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:43,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:43,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:43,108 INFO L93 Difference]: Finished difference Result 2318 states and 3122 transitions. [2021-11-23 03:38:43,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:43,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2021-11-23 03:38:43,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:43,122 INFO L225 Difference]: With dead ends: 2318 [2021-11-23 03:38:43,122 INFO L226 Difference]: Without dead ends: 1163 [2021-11-23 03:38:43,127 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:43,129 INFO L933 BasicCegarLoop]: 505 mSDtfsCounter, 0 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:43,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1007 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 03:38:43,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2021-11-23 03:38:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1159. [2021-11-23 03:38:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 767 states have (on average 1.3376792698826596) internal successors, (1026), 786 states have internal predecessors, (1026), 267 states have call successors, (267), 125 states have call predecessors, (267), 124 states have return successors, (266), 262 states have call predecessors, (266), 266 states have call successors, (266) [2021-11-23 03:38:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1559 transitions. [2021-11-23 03:38:43,207 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1559 transitions. Word has length 66 [2021-11-23 03:38:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:43,208 INFO L470 AbstractCegarLoop]: Abstraction has 1159 states and 1559 transitions. [2021-11-23 03:38:43,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 03:38:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1559 transitions. [2021-11-23 03:38:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:38:43,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:43,211 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2021-11-23 03:38:43,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:38:43,212 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:43,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:43,212 INFO L85 PathProgramCache]: Analyzing trace with hash 19806637, now seen corresponding path program 1 times [2021-11-23 03:38:43,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:43,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94871619] [2021-11-23 03:38:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:43,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 03:38:43,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:43,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94871619] [2021-11-23 03:38:43,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94871619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:43,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:43,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:43,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881156515] [2021-11-23 03:38:43,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:43,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:43,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:43,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:43,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:43,391 INFO L87 Difference]: Start difference. First operand 1159 states and 1559 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-23 03:38:45,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:48,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:48,135 INFO L93 Difference]: Finished difference Result 2268 states and 3046 transitions. [2021-11-23 03:38:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:48,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 65 [2021-11-23 03:38:48,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:48,156 INFO L225 Difference]: With dead ends: 2268 [2021-11-23 03:38:48,156 INFO L226 Difference]: Without dead ends: 2265 [2021-11-23 03:38:48,158 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:48,164 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 498 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:48,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 1097 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2021-11-23 03:38:48,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2021-11-23 03:38:48,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2263. [2021-11-23 03:38:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 1503 states have (on average 1.3359946773120426) internal successors, (2008), 1539 states have internal predecessors, (2008), 515 states have call successors, (515), 245 states have call predecessors, (515), 244 states have return successors, (514), 505 states have call predecessors, (514), 514 states have call successors, (514) [2021-11-23 03:38:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3037 transitions. [2021-11-23 03:38:48,340 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3037 transitions. Word has length 65 [2021-11-23 03:38:48,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:48,341 INFO L470 AbstractCegarLoop]: Abstraction has 2263 states and 3037 transitions. [2021-11-23 03:38:48,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-23 03:38:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3037 transitions. [2021-11-23 03:38:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 03:38:48,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:48,350 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2021-11-23 03:38:48,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:38:48,351 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash -312051603, now seen corresponding path program 1 times [2021-11-23 03:38:48,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:48,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139330558] [2021-11-23 03:38:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:48,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 03:38:48,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:48,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139330558] [2021-11-23 03:38:48,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139330558] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:38:48,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970744597] [2021-11-23 03:38:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:48,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:48,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:38:48,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:38:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:49,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:38:49,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:38:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 03:38:49,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:38:49,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970744597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:49,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:38:49,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-11-23 03:38:49,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167873604] [2021-11-23 03:38:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:49,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:49,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:49,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:49,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:38:49,775 INFO L87 Difference]: Start difference. First operand 2263 states and 3037 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:38:52,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:54,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:54,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:54,662 INFO L93 Difference]: Finished difference Result 3404 states and 4573 transitions. [2021-11-23 03:38:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:54,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 123 [2021-11-23 03:38:54,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:54,691 INFO L225 Difference]: With dead ends: 3404 [2021-11-23 03:38:54,691 INFO L226 Difference]: Without dead ends: 3401 [2021-11-23 03:38:54,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:38:54,695 INFO L933 BasicCegarLoop]: 613 mSDtfsCounter, 489 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:54,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 1110 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2021-11-23 03:38:54,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2021-11-23 03:38:54,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3399. [2021-11-23 03:38:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3399 states, 2256 states have (on average 1.3355496453900708) internal successors, (3013), 2312 states have internal predecessors, (3013), 776 states have call successors, (776), 367 states have call predecessors, (776), 366 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-23 03:38:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4564 transitions. [2021-11-23 03:38:54,901 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4564 transitions. Word has length 123 [2021-11-23 03:38:54,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:54,903 INFO L470 AbstractCegarLoop]: Abstraction has 3399 states and 4564 transitions. [2021-11-23 03:38:54,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:38:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4564 transitions. [2021-11-23 03:38:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 03:38:54,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:54,926 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 03:38:54,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:38:55,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 03:38:55,148 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:55,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1541184179, now seen corresponding path program 1 times [2021-11-23 03:38:55,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:55,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24238764] [2021-11-23 03:38:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:55,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 03:38:55,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:55,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24238764] [2021-11-23 03:38:55,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24238764] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:55,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:55,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:38:55,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703725702] [2021-11-23 03:38:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:55,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:38:55,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:55,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:38:55,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:38:55,404 INFO L87 Difference]: Start difference. First operand 3399 states and 4564 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:38:58,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:00,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:39:00,971 INFO L93 Difference]: Finished difference Result 9392 states and 13205 transitions. [2021-11-23 03:39:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:39:00,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 192 [2021-11-23 03:39:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:39:01,026 INFO L225 Difference]: With dead ends: 9392 [2021-11-23 03:39:01,027 INFO L226 Difference]: Without dead ends: 6006 [2021-11-23 03:39:01,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:39:01,043 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 476 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 100 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:39:01,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 1974 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 326 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2021-11-23 03:39:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6006 states. [2021-11-23 03:39:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6006 to 3417. [2021-11-23 03:39:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 2274 states have (on average 1.3328935795954266) internal successors, (3031), 2330 states have internal predecessors, (3031), 776 states have call successors, (776), 367 states have call predecessors, (776), 366 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-23 03:39:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4582 transitions. [2021-11-23 03:39:01,332 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4582 transitions. Word has length 192 [2021-11-23 03:39:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:39:01,334 INFO L470 AbstractCegarLoop]: Abstraction has 3417 states and 4582 transitions. [2021-11-23 03:39:01,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:39:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4582 transitions. [2021-11-23 03:39:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 03:39:01,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:39:01,350 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 03:39:01,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:39:01,350 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:39:01,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:39:01,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1341213333, now seen corresponding path program 1 times [2021-11-23 03:39:01,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:39:01,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463515879] [2021-11-23 03:39:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:01,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:39:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:39:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 03:39:01,712 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:39:01,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463515879] [2021-11-23 03:39:01,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463515879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:39:01,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:39:01,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:39:01,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718727109] [2021-11-23 03:39:01,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:39:01,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:39:01,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:39:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:39:01,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:39:01,716 INFO L87 Difference]: Start difference. First operand 3417 states and 4582 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:39:04,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:06,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:06,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:39:06,678 INFO L93 Difference]: Finished difference Result 8284 states and 11459 transitions. [2021-11-23 03:39:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:39:06,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 197 [2021-11-23 03:39:06,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:39:06,723 INFO L225 Difference]: With dead ends: 8284 [2021-11-23 03:39:06,724 INFO L226 Difference]: Without dead ends: 4880 [2021-11-23 03:39:06,739 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:39:06,740 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 175 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:39:06,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 1295 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2021-11-23 03:39:06,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2021-11-23 03:39:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 3426. [2021-11-23 03:39:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 2283 states have (on average 1.3315812527376258) internal successors, (3040), 2339 states have internal predecessors, (3040), 776 states have call successors, (776), 367 states have call predecessors, (776), 366 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-23 03:39:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4591 transitions. [2021-11-23 03:39:07,001 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4591 transitions. Word has length 197 [2021-11-23 03:39:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:39:07,002 INFO L470 AbstractCegarLoop]: Abstraction has 3426 states and 4591 transitions. [2021-11-23 03:39:07,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:39:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4591 transitions. [2021-11-23 03:39:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-23 03:39:07,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:39:07,019 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-23 03:39:07,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:39:07,019 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:39:07,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:39:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash -258309488, now seen corresponding path program 1 times [2021-11-23 03:39:07,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:39:07,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208411337] [2021-11-23 03:39:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:07,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:39:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:39:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-11-23 03:39:07,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:39:07,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208411337] [2021-11-23 03:39:07,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208411337] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:39:07,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109803104] [2021-11-23 03:39:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:07,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:39:07,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:39:07,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:39:07,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:39:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:39:08,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 3031 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:39:08,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:39:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-23 03:39:08,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:39:08,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109803104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:39:08,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:39:08,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-23 03:39:08,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570435834] [2021-11-23 03:39:08,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:39:08,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:39:08,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:39:08,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:39:08,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:39:08,950 INFO L87 Difference]: Start difference. First operand 3426 states and 4591 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-23 03:39:11,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:13,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:13,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:39:13,724 INFO L93 Difference]: Finished difference Result 4855 states and 6519 transitions. [2021-11-23 03:39:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:39:13,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 220 [2021-11-23 03:39:13,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:39:13,756 INFO L225 Difference]: With dead ends: 4855 [2021-11-23 03:39:13,757 INFO L226 Difference]: Without dead ends: 3700 [2021-11-23 03:39:13,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:39:13,765 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 200 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:39:13,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 1040 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2021-11-23 03:39:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2021-11-23 03:39:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3691. [2021-11-23 03:39:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3691 states, 2473 states have (on average 1.3348160129397493) internal successors, (3301), 2532 states have internal predecessors, (3301), 824 states have call successors, (824), 394 states have call predecessors, (824), 393 states have return successors, (823), 808 states have call predecessors, (823), 823 states have call successors, (823) [2021-11-23 03:39:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 4948 transitions. [2021-11-23 03:39:14,052 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 4948 transitions. Word has length 220 [2021-11-23 03:39:14,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:39:14,053 INFO L470 AbstractCegarLoop]: Abstraction has 3691 states and 4948 transitions. [2021-11-23 03:39:14,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-23 03:39:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 4948 transitions. [2021-11-23 03:39:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-23 03:39:14,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:39:14,071 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-11-23 03:39:14,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 03:39:14,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:39:14,288 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:39:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:39:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1501694512, now seen corresponding path program 1 times [2021-11-23 03:39:14,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:39:14,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988545614] [2021-11-23 03:39:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:14,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:39:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:39:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 03:39:14,528 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:39:14,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988545614] [2021-11-23 03:39:14,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988545614] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:39:14,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853800627] [2021-11-23 03:39:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:14,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:39:14,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:39:14,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:39:14,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:39:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:39:15,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 3057 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:39:15,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:39:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-23 03:39:16,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:39:16,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853800627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:39:16,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:39:16,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-23 03:39:16,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677894255] [2021-11-23 03:39:16,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:39:16,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:39:16,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:39:16,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:39:16,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:39:16,189 INFO L87 Difference]: Start difference. First operand 3691 states and 4948 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-23 03:39:18,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:20,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:39:20,526 INFO L93 Difference]: Finished difference Result 3691 states and 4948 transitions. [2021-11-23 03:39:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:39:20,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 230 [2021-11-23 03:39:20,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:39:20,528 INFO L225 Difference]: With dead ends: 3691 [2021-11-23 03:39:20,529 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:39:20,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:39:20,541 INFO L933 BasicCegarLoop]: 500 mSDtfsCounter, 443 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:39:20,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 500 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-23 03:39:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:39:20,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:39:20,544 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) [2021-11-23 03:39:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:39:20,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2021-11-23 03:39:20,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:39:20,546 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:39:20,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-23 03:39:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:39:20,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:39:20,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:39:20,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:39:20,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 03:39:20,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:39:23,714 INFO L858 garLoopResultBuilder]: For program point atomic_setEXIT(lines 5761 5767) no Hoare annotation was computed. [2021-11-23 03:39:23,715 INFO L861 garLoopResultBuilder]: At program point atomic_setENTRY(lines 5761 5767) the Hoare annotation is: true [2021-11-23 03:39:23,715 INFO L858 garLoopResultBuilder]: For program point L6394(lines 6394 6399) no Hoare annotation was computed. [2021-11-23 03:39:23,715 INFO L858 garLoopResultBuilder]: For program point L6370(lines 6370 6373) no Hoare annotation was computed. [2021-11-23 03:39:23,715 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_wait_msgFINAL(lines 6354 6416) no Hoare annotation was computed. [2021-11-23 03:39:23,715 INFO L861 garLoopResultBuilder]: At program point L6412(lines 6366 6415) the Hoare annotation is: true [2021-11-23 03:39:23,715 INFO L858 garLoopResultBuilder]: For program point L6375-1(line 6375) no Hoare annotation was computed. [2021-11-23 03:39:23,715 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_wait_msgEXIT(lines 6354 6416) no Hoare annotation was computed. [2021-11-23 03:39:23,715 INFO L861 garLoopResultBuilder]: At program point L6375(line 6375) the Hoare annotation is: true [2021-11-23 03:39:23,716 INFO L861 garLoopResultBuilder]: At program point L6408(lines 6366 6415) the Hoare annotation is: true [2021-11-23 03:39:23,716 INFO L861 garLoopResultBuilder]: At program point kvaser_usb_wait_msgENTRY(lines 6354 6416) the Hoare annotation is: true [2021-11-23 03:39:23,716 INFO L858 garLoopResultBuilder]: For program point L6367-1(line 6367) no Hoare annotation was computed. [2021-11-23 03:39:23,716 INFO L861 garLoopResultBuilder]: At program point L6367(line 6367) the Hoare annotation is: true [2021-11-23 03:39:23,716 INFO L858 garLoopResultBuilder]: For program point L6396-1(line 6396) no Hoare annotation was computed. [2021-11-23 03:39:23,716 INFO L861 garLoopResultBuilder]: At program point L6396(line 6396) the Hoare annotation is: true [2021-11-23 03:39:23,716 INFO L858 garLoopResultBuilder]: For program point L6413(line 6413) no Hoare annotation was computed. [2021-11-23 03:39:23,716 INFO L858 garLoopResultBuilder]: For program point L6376-1(line 6376) no Hoare annotation was computed. [2021-11-23 03:39:23,716 INFO L861 garLoopResultBuilder]: At program point L8073-1(line 8073) the Hoare annotation is: true [2021-11-23 03:39:23,716 INFO L861 garLoopResultBuilder]: At program point L6376(line 6376) the Hoare annotation is: true [2021-11-23 03:39:23,717 INFO L861 garLoopResultBuilder]: At program point L8073(line 8073) the Hoare annotation is: true [2021-11-23 03:39:23,717 INFO L861 garLoopResultBuilder]: At program point L6401(lines 6366 6415) the Hoare annotation is: true [2021-11-23 03:39:23,717 INFO L858 garLoopResultBuilder]: For program point L6389(lines 6389 6393) no Hoare annotation was computed. [2021-11-23 03:39:23,717 INFO L858 garLoopResultBuilder]: For program point L6385(lines 6385 6388) no Hoare annotation was computed. [2021-11-23 03:39:23,717 INFO L861 garLoopResultBuilder]: At program point L6406(lines 6366 6415) the Hoare annotation is: true [2021-11-23 03:39:23,717 INFO L858 garLoopResultBuilder]: For program point L6377(lines 6377 6380) no Hoare annotation was computed. [2021-11-23 03:39:23,717 INFO L861 garLoopResultBuilder]: At program point L6402(lines 6402 6405) the Hoare annotation is: true [2021-11-23 03:39:23,717 INFO L858 garLoopResultBuilder]: For program point usb_get_intfdataEXIT(lines 6138 6145) no Hoare annotation was computed. [2021-11-23 03:39:23,717 INFO L861 garLoopResultBuilder]: At program point usb_get_intfdataENTRY(lines 6138 6145) the Hoare annotation is: true [2021-11-23 03:39:23,717 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8508 8510) no Hoare annotation was computed. [2021-11-23 03:39:23,718 INFO L861 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8508 8510) the Hoare annotation is: true [2021-11-23 03:39:23,718 INFO L858 garLoopResultBuilder]: For program point L6434-1(line 6434) no Hoare annotation was computed. [2021-11-23 03:39:23,718 INFO L858 garLoopResultBuilder]: For program point L6426(lines 6426 6429) no Hoare annotation was computed. [2021-11-23 03:39:23,718 INFO L861 garLoopResultBuilder]: At program point kvaser_usb_send_simple_msgENTRY(lines 6417 6438) the Hoare annotation is: true [2021-11-23 03:39:23,718 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_send_simple_msgFINAL(lines 6417 6438) no Hoare annotation was computed. [2021-11-23 03:39:23,718 INFO L858 garLoopResultBuilder]: For program point L6424-1(line 6424) no Hoare annotation was computed. [2021-11-23 03:39:23,718 INFO L861 garLoopResultBuilder]: At program point L6424(line 6424) the Hoare annotation is: true [2021-11-23 03:39:23,718 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_send_simple_msgEXIT(lines 6417 6438) no Hoare annotation was computed. [2021-11-23 03:39:23,718 INFO L861 garLoopResultBuilder]: At program point L6434(line 6434) the Hoare annotation is: true [2021-11-23 03:39:23,718 INFO L858 garLoopResultBuilder]: For program point L6435-1(line 6435) no Hoare annotation was computed. [2021-11-23 03:39:23,719 INFO L861 garLoopResultBuilder]: At program point L6435(line 6435) the Hoare annotation is: true [2021-11-23 03:39:23,719 INFO L861 garLoopResultBuilder]: At program point usb_bulk_msgENTRY(lines 8488 8490) the Hoare annotation is: true [2021-11-23 03:39:23,719 INFO L858 garLoopResultBuilder]: For program point usb_bulk_msgEXIT(lines 8488 8490) no Hoare annotation was computed. [2021-11-23 03:39:23,719 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5887 5893) no Hoare annotation was computed. [2021-11-23 03:39:23,719 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5887 5893) the Hoare annotation is: true [2021-11-23 03:39:23,719 INFO L861 garLoopResultBuilder]: At program point usb_free_coherentENTRY(lines 8494 8496) the Hoare annotation is: true [2021-11-23 03:39:23,719 INFO L858 garLoopResultBuilder]: For program point usb_free_coherentEXIT(lines 8494 8496) no Hoare annotation was computed. [2021-11-23 03:39:23,719 INFO L858 garLoopResultBuilder]: For program point usb_endpoint_xfer_bulkEXIT(lines 6092 6097) no Hoare annotation was computed. [2021-11-23 03:39:23,719 INFO L861 garLoopResultBuilder]: At program point usb_endpoint_xfer_bulkENTRY(lines 6092 6097) the Hoare annotation is: true [2021-11-23 03:39:23,719 INFO L861 garLoopResultBuilder]: At program point atomic_decENTRY(lines 5775 5781) the Hoare annotation is: true [2021-11-23 03:39:23,720 INFO L858 garLoopResultBuilder]: For program point atomic_decEXIT(lines 5775 5781) no Hoare annotation was computed. [2021-11-23 03:39:23,720 INFO L861 garLoopResultBuilder]: At program point L7616(lines 7616 7619) the Hoare annotation is: true [2021-11-23 03:39:23,720 INFO L858 garLoopResultBuilder]: For program point L7612-1(line 7612) no Hoare annotation was computed. [2021-11-23 03:39:23,720 INFO L861 garLoopResultBuilder]: At program point L7612(line 7612) the Hoare annotation is: true [2021-11-23 03:39:23,720 INFO L858 garLoopResultBuilder]: For program point L7608(lines 7608 7611) no Hoare annotation was computed. [2021-11-23 03:39:23,720 INFO L861 garLoopResultBuilder]: At program point L7600(lines 7600 7603) the Hoare annotation is: true [2021-11-23 03:39:23,720 INFO L861 garLoopResultBuilder]: At program point L7229(lines 7222 7249) the Hoare annotation is: true [2021-11-23 03:39:23,720 INFO L861 garLoopResultBuilder]: At program point L7613(lines 7588 7621) the Hoare annotation is: true [2021-11-23 03:39:23,720 INFO L858 garLoopResultBuilder]: For program point L7238(lines 7238 7241) no Hoare annotation was computed. [2021-11-23 03:39:23,720 INFO L858 garLoopResultBuilder]: For program point L7238-1(lines 7238 7241) no Hoare annotation was computed. [2021-11-23 03:39:23,720 INFO L861 garLoopResultBuilder]: At program point L7243(lines 7222 7249) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point L7239(line 7239) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point L7615(lines 7588 7621) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L858 garLoopResultBuilder]: For program point L7227-1(line 7227) no Hoare annotation was computed. [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point L7227(line 7227) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L858 garLoopResultBuilder]: For program point L7223-1(line 7223) no Hoare annotation was computed. [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point L7223(line 7223) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point L7599(lines 7588 7621) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_remove_interfacesEXIT(lines 7585 7622) no Hoare annotation was computed. [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point kvaser_usb_remove_interfacesENTRY(lines 7585 7622) the Hoare annotation is: true [2021-11-23 03:39:23,721 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-23 03:39:23,722 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-11-23 03:39:23,722 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2021-11-23 03:39:23,722 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:39:23,722 INFO L861 garLoopResultBuilder]: At program point wait_for_completion_timeoutENTRY(lines 8515 8517) the Hoare annotation is: true [2021-11-23 03:39:23,722 INFO L858 garLoopResultBuilder]: For program point wait_for_completion_timeoutEXIT(lines 8515 8517) no Hoare annotation was computed. [2021-11-23 03:39:23,722 INFO L858 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 8497 8499) no Hoare annotation was computed. [2021-11-23 03:39:23,722 INFO L861 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 8497 8499) the Hoare annotation is: true [2021-11-23 03:39:23,722 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6213 6218) the Hoare annotation is: true [2021-11-23 03:39:23,722 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6213 6218) no Hoare annotation was computed. [2021-11-23 03:39:23,722 INFO L858 garLoopResultBuilder]: For program point L5842-1(line 5842) no Hoare annotation was computed. [2021-11-23 03:39:23,722 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5830 5846) the Hoare annotation is: true [2021-11-23 03:39:23,723 INFO L858 garLoopResultBuilder]: For program point L5837(lines 5837 5844) no Hoare annotation was computed. [2021-11-23 03:39:23,723 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5830 5846) no Hoare annotation was computed. [2021-11-23 03:39:23,723 INFO L861 garLoopResultBuilder]: At program point L5842(line 5842) the Hoare annotation is: true [2021-11-23 03:39:23,723 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5830 5846) no Hoare annotation was computed. [2021-11-23 03:39:23,725 INFO L861 garLoopResultBuilder]: At program point usb_anchor_urbENTRY(lines 8484 8486) the Hoare annotation is: true [2021-11-23 03:39:23,725 INFO L858 garLoopResultBuilder]: For program point usb_anchor_urbEXIT(lines 8484 8486) no Hoare annotation was computed. [2021-11-23 03:39:23,725 INFO L858 garLoopResultBuilder]: For program point ldv_check_alloc_flagsEXIT(lines 8260 8269) no Hoare annotation was computed. [2021-11-23 03:39:23,726 INFO L861 garLoopResultBuilder]: At program point ldv_check_alloc_flagsENTRY(lines 8260 8269) the Hoare annotation is: true [2021-11-23 03:39:23,726 INFO L858 garLoopResultBuilder]: For program point L8263(lines 8263 8266) no Hoare annotation was computed. [2021-11-23 03:39:23,726 INFO L858 garLoopResultBuilder]: For program point L8265-1(lines 8260 8269) no Hoare annotation was computed. [2021-11-23 03:39:23,726 INFO L854 garLoopResultBuilder]: At program point L8265(line 8265) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2021-11-23 03:39:23,726 INFO L861 garLoopResultBuilder]: At program point usb_kill_anchored_urbsENTRY(lines 8500 8502) the Hoare annotation is: true [2021-11-23 03:39:23,727 INFO L858 garLoopResultBuilder]: For program point usb_kill_anchored_urbsEXIT(lines 8500 8502) no Hoare annotation was computed. [2021-11-23 03:39:23,727 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 8522 8524) no Hoare annotation was computed. [2021-11-23 03:39:23,727 INFO L861 garLoopResultBuilder]: At program point kfreeENTRY(lines 8522 8524) the Hoare annotation is: true [2021-11-23 03:39:23,727 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-23 03:39:23,727 INFO L861 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: true [2021-11-23 03:39:23,728 INFO L861 garLoopResultBuilder]: At program point L6173-1(line 6173) the Hoare annotation is: true [2021-11-23 03:39:23,728 INFO L858 garLoopResultBuilder]: For program point init_usb_anchorEXIT(lines 6166 6178) no Hoare annotation was computed. [2021-11-23 03:39:23,728 INFO L861 garLoopResultBuilder]: At program point init_usb_anchorENTRY(lines 6166 6178) the Hoare annotation is: true [2021-11-23 03:39:23,728 INFO L858 garLoopResultBuilder]: For program point warn_slowpath_nullEXIT(lines 8518 8520) no Hoare annotation was computed. [2021-11-23 03:39:23,728 INFO L861 garLoopResultBuilder]: At program point warn_slowpath_nullENTRY(lines 8518 8520) the Hoare annotation is: true [2021-11-23 03:39:23,728 INFO L861 garLoopResultBuilder]: At program point init_completionENTRY(lines 5790 5798) the Hoare annotation is: true [2021-11-23 03:39:23,729 INFO L858 garLoopResultBuilder]: For program point init_completionEXIT(lines 5790 5798) no Hoare annotation was computed. [2021-11-23 03:39:23,729 INFO L861 garLoopResultBuilder]: At program point L5795(line 5795) the Hoare annotation is: true [2021-11-23 03:39:23,729 INFO L858 garLoopResultBuilder]: For program point L5795-1(line 5795) no Hoare annotation was computed. [2021-11-23 03:39:23,729 INFO L861 garLoopResultBuilder]: At program point msecs_to_jiffiesENTRY(lines 8425 8427) the Hoare annotation is: true [2021-11-23 03:39:23,729 INFO L858 garLoopResultBuilder]: For program point msecs_to_jiffiesEXIT(lines 8425 8427) no Hoare annotation was computed. [2021-11-23 03:39:23,729 INFO L861 garLoopResultBuilder]: At program point usb_fill_bulk_urbENTRY(lines 6179 6193) the Hoare annotation is: true [2021-11-23 03:39:23,730 INFO L858 garLoopResultBuilder]: For program point usb_fill_bulk_urbEXIT(lines 6179 6193) no Hoare annotation was computed. [2021-11-23 03:39:23,730 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5880 5886) the Hoare annotation is: true [2021-11-23 03:39:23,730 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5884) no Hoare annotation was computed. [2021-11-23 03:39:23,730 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5880 5886) no Hoare annotation was computed. [2021-11-23 03:39:23,730 INFO L861 garLoopResultBuilder]: At program point netif_device_detachENTRY(lines 8446 8448) the Hoare annotation is: true [2021-11-23 03:39:23,731 INFO L858 garLoopResultBuilder]: For program point netif_device_detachEXIT(lines 8446 8448) no Hoare annotation was computed. [2021-11-23 03:39:23,731 INFO L861 garLoopResultBuilder]: At program point kmallocENTRY(lines 8061 8068) the Hoare annotation is: true [2021-11-23 03:39:23,731 INFO L861 garLoopResultBuilder]: At program point L5808-1(line 5808) the Hoare annotation is: true [2021-11-23 03:39:23,731 INFO L858 garLoopResultBuilder]: For program point L8064-1(line 8064) no Hoare annotation was computed. [2021-11-23 03:39:23,731 INFO L861 garLoopResultBuilder]: At program point L8064(line 8064) the Hoare annotation is: true [2021-11-23 03:39:23,732 INFO L861 garLoopResultBuilder]: At program point L5808(line 5808) the Hoare annotation is: true [2021-11-23 03:39:23,732 INFO L858 garLoopResultBuilder]: For program point kmallocEXIT(lines 8061 8068) no Hoare annotation was computed. [2021-11-23 03:39:23,732 INFO L861 garLoopResultBuilder]: At program point L6608(lines 6600 6614) the Hoare annotation is: true [2021-11-23 03:39:23,732 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_unlink_tx_urbsEXIT(lines 6597 6615) no Hoare annotation was computed. [2021-11-23 03:39:23,732 INFO L858 garLoopResultBuilder]: For program point L6602(line 6602) no Hoare annotation was computed. [2021-11-23 03:39:23,732 INFO L861 garLoopResultBuilder]: At program point kvaser_usb_unlink_tx_urbsENTRY(lines 6597 6615) the Hoare annotation is: true [2021-11-23 03:39:23,733 INFO L861 garLoopResultBuilder]: At program point L6601-1(line 6601) the Hoare annotation is: true [2021-11-23 03:39:23,733 INFO L861 garLoopResultBuilder]: At program point L6601(line 6601) the Hoare annotation is: true [2021-11-23 03:39:23,733 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5894 5899) the Hoare annotation is: true [2021-11-23 03:39:23,733 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5894 5899) no Hoare annotation was computed. [2021-11-23 03:39:23,733 INFO L861 garLoopResultBuilder]: At program point netdev_privENTRY(lines 5971 5976) the Hoare annotation is: true [2021-11-23 03:39:23,734 INFO L858 garLoopResultBuilder]: For program point netdev_privEXIT(lines 5971 5976) no Hoare annotation was computed. [2021-11-23 03:39:23,734 INFO L858 garLoopResultBuilder]: For program point usb_unanchor_urbEXIT(lines 8511 8513) no Hoare annotation was computed. [2021-11-23 03:39:23,734 INFO L861 garLoopResultBuilder]: At program point usb_unanchor_urbENTRY(lines 8511 8513) the Hoare annotation is: true [2021-11-23 03:39:23,734 INFO L861 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6146 6152) the Hoare annotation is: true [2021-11-23 03:39:23,734 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6146 6152) no Hoare annotation was computed. [2021-11-23 03:39:23,734 INFO L858 garLoopResultBuilder]: For program point netdev_get_tx_queueEXIT(lines 5964 5970) no Hoare annotation was computed. [2021-11-23 03:39:23,735 INFO L861 garLoopResultBuilder]: At program point netdev_get_tx_queueENTRY(lines 5964 5970) the Hoare annotation is: true [2021-11-23 03:39:23,735 INFO L861 garLoopResultBuilder]: At program point __init_waitqueue_headENTRY(lines 8328 8330) the Hoare annotation is: true [2021-11-23 03:39:23,735 INFO L858 garLoopResultBuilder]: For program point __init_waitqueue_headEXIT(lines 8328 8330) no Hoare annotation was computed. [2021-11-23 03:39:23,735 INFO L858 garLoopResultBuilder]: For program point kvaser_usb_send_msgEXIT(lines 6341 6352) no Hoare annotation was computed. [2021-11-23 03:39:23,735 INFO L858 garLoopResultBuilder]: For program point L6347-1(line 6347) no Hoare annotation was computed. [2021-11-23 03:39:23,735 INFO L861 garLoopResultBuilder]: At program point L6347(line 6347) the Hoare annotation is: true [2021-11-23 03:39:23,736 INFO L858 garLoopResultBuilder]: For program point L6348-1(lines 6348 6349) no Hoare annotation was computed. [2021-11-23 03:39:23,736 INFO L861 garLoopResultBuilder]: At program point L6348(lines 6348 6349) the Hoare annotation is: true [2021-11-23 03:39:23,736 INFO L861 garLoopResultBuilder]: At program point kvaser_usb_send_msgENTRY(lines 6341 6352) the Hoare annotation is: true [2021-11-23 03:39:23,736 INFO L858 garLoopResultBuilder]: For program point close_candevEXIT(lines 8374 8376) no Hoare annotation was computed. [2021-11-23 03:39:23,736 INFO L861 garLoopResultBuilder]: At program point close_candevENTRY(lines 8374 8376) the Hoare annotation is: true [2021-11-23 03:39:23,736 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5827 5829) the Hoare annotation is: true [2021-11-23 03:39:23,737 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5827 5829) no Hoare annotation was computed. [2021-11-23 03:39:23,737 INFO L858 garLoopResultBuilder]: For program point free_candevEXIT(lines 8398 8400) no Hoare annotation was computed. [2021-11-23 03:39:23,737 INFO L861 garLoopResultBuilder]: At program point free_candevENTRY(lines 8398 8400) the Hoare annotation is: true [2021-11-23 03:39:23,737 INFO L858 garLoopResultBuilder]: For program point netif_stop_queueEXIT(lines 6037 6045) no Hoare annotation was computed. [2021-11-23 03:39:23,737 INFO L861 garLoopResultBuilder]: At program point L6041(line 6041) the Hoare annotation is: true [2021-11-23 03:39:23,738 INFO L858 garLoopResultBuilder]: For program point L6041-1(line 6041) no Hoare annotation was computed. [2021-11-23 03:39:23,738 INFO L861 garLoopResultBuilder]: At program point netif_stop_queueENTRY(lines 6037 6045) the Hoare annotation is: true [2021-11-23 03:39:23,738 INFO L861 garLoopResultBuilder]: At program point L6027(line 6027) the Hoare annotation is: true [2021-11-23 03:39:23,738 INFO L858 garLoopResultBuilder]: For program point L6023(lines 6023 6026) no Hoare annotation was computed. [2021-11-23 03:39:23,738 INFO L861 garLoopResultBuilder]: At program point L6022(line 6022) the Hoare annotation is: true [2021-11-23 03:39:23,738 INFO L861 garLoopResultBuilder]: At program point L6023-1(lines 6023 6026) the Hoare annotation is: true [2021-11-23 03:39:23,739 INFO L861 garLoopResultBuilder]: At program point L6024(line 6024) the Hoare annotation is: true [2021-11-23 03:39:23,739 INFO L858 garLoopResultBuilder]: For program point L6022-1(line 6022) no Hoare annotation was computed. [2021-11-23 03:39:23,739 INFO L861 garLoopResultBuilder]: At program point usb_alloc_urbENTRY(lines 8481 8483) the Hoare annotation is: true [2021-11-23 03:39:23,739 INFO L858 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2021-11-23 03:39:23,739 INFO L861 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: true [2021-11-23 03:39:23,739 INFO L858 garLoopResultBuilder]: For program point usb_alloc_urbEXIT(lines 8481 8483) no Hoare annotation was computed. [2021-11-23 03:39:23,740 INFO L858 garLoopResultBuilder]: For program point L5854(lines 5854 5861) no Hoare annotation was computed. [2021-11-23 03:39:23,740 INFO L858 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5847 5863) no Hoare annotation was computed. [2021-11-23 03:39:23,740 INFO L861 garLoopResultBuilder]: At program point L5859(line 5859) the Hoare annotation is: true [2021-11-23 03:39:23,740 INFO L861 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5847 5863) the Hoare annotation is: true [2021-11-23 03:39:23,740 INFO L858 garLoopResultBuilder]: For program point L5859-1(line 5859) no Hoare annotation was computed. [2021-11-23 03:39:23,740 INFO L858 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5847 5863) no Hoare annotation was computed. [2021-11-23 03:39:23,741 INFO L858 garLoopResultBuilder]: For program point L7104-1(line 7104) no Hoare annotation was computed. [2021-11-23 03:39:23,741 INFO L854 garLoopResultBuilder]: At program point L7104(line 7104) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,741 INFO L858 garLoopResultBuilder]: For program point L7170-1(line 7170) no Hoare annotation was computed. [2021-11-23 03:39:23,741 INFO L854 garLoopResultBuilder]: At program point L7765(lines 7765 7769) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,741 INFO L858 garLoopResultBuilder]: For program point L6444-1(line 6444) no Hoare annotation was computed. [2021-11-23 03:39:23,742 INFO L854 garLoopResultBuilder]: At program point L6444(line 6444) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,742 INFO L858 garLoopResultBuilder]: For program point L7171-1(line 7171) no Hoare annotation was computed. [2021-11-23 03:39:23,742 INFO L854 garLoopResultBuilder]: At program point L7171(line 7171) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,742 INFO L854 garLoopResultBuilder]: At program point L7105(line 7105) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,742 INFO L858 garLoopResultBuilder]: For program point L7832-1(line 7832) no Hoare annotation was computed. [2021-11-23 03:39:23,743 INFO L854 garLoopResultBuilder]: At program point L7832(line 7832) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,743 INFO L854 garLoopResultBuilder]: At program point L7502(lines 7372 7504) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,743 INFO L858 garLoopResultBuilder]: For program point L7436-1(lines 7436 7437) no Hoare annotation was computed. [2021-11-23 03:39:23,743 INFO L854 garLoopResultBuilder]: At program point L7436(lines 7436 7437) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,743 INFO L858 garLoopResultBuilder]: For program point L6445(lines 6445 6448) no Hoare annotation was computed. [2021-11-23 03:39:23,743 INFO L858 garLoopResultBuilder]: For program point L6247(lines 6247 6250) no Hoare annotation was computed. [2021-11-23 03:39:23,744 INFO L858 garLoopResultBuilder]: For program point L7304-1(line 7304) no Hoare annotation was computed. [2021-11-23 03:39:23,744 INFO L854 garLoopResultBuilder]: At program point L7304(line 7304) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,744 INFO L854 garLoopResultBuilder]: At program point L7701(lines 7623 7703) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,744 INFO L854 garLoopResultBuilder]: At program point L7834(line 7834) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,744 INFO L858 garLoopResultBuilder]: For program point L7834-1(lines 7831 7841) no Hoare annotation was computed. [2021-11-23 03:39:23,744 INFO L858 garLoopResultBuilder]: For program point L7636-1(line 7636) no Hoare annotation was computed. [2021-11-23 03:39:23,745 INFO L854 garLoopResultBuilder]: At program point L7636(line 7636) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,745 INFO L854 garLoopResultBuilder]: At program point L8231-1(line 8231) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,745 INFO L854 garLoopResultBuilder]: At program point L8231(line 8231) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,745 INFO L854 garLoopResultBuilder]: At program point L8232(line 8232) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,745 INFO L858 garLoopResultBuilder]: For program point L6449-1(line 6449) no Hoare annotation was computed. [2021-11-23 03:39:23,746 INFO L854 garLoopResultBuilder]: At program point L6449(line 6449) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,746 INFO L854 garLoopResultBuilder]: At program point L7176(lines 7158 7178) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,746 INFO L854 garLoopResultBuilder]: At program point L8035(line 8035) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,746 INFO L858 garLoopResultBuilder]: For program point L7903-1(line 7903) no Hoare annotation was computed. [2021-11-23 03:39:23,746 INFO L854 garLoopResultBuilder]: At program point L7903(line 7903) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-23 03:39:23,747 INFO L854 garLoopResultBuilder]: At program point L7771-1(line 7771) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,747 INFO L854 garLoopResultBuilder]: At program point L7771(line 7771) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,747 INFO L858 garLoopResultBuilder]: For program point L7639(lines 7639 7643) no Hoare annotation was computed. [2021-11-23 03:39:23,747 INFO L858 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2021-11-23 03:39:23,747 INFO L854 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,747 INFO L861 garLoopResultBuilder]: At program point L7970(lines 7902 8059) the Hoare annotation is: true [2021-11-23 03:39:23,748 INFO L858 garLoopResultBuilder]: For program point L7772(line 7772) no Hoare annotation was computed. [2021-11-23 03:39:23,748 INFO L854 garLoopResultBuilder]: At program point L6253(lines 6226 6260) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,748 INFO L854 garLoopResultBuilder]: At program point L7839-1(lines 7827 7842) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,748 INFO L854 garLoopResultBuilder]: At program point L7839(line 7839) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,748 INFO L854 garLoopResultBuilder]: At program point L7905-1(line 7905) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-23 03:39:23,749 INFO L854 garLoopResultBuilder]: At program point L7905(line 7905) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-23 03:39:23,749 INFO L858 garLoopResultBuilder]: For program point L7311-1(line 7311) no Hoare annotation was computed. [2021-11-23 03:39:23,749 INFO L854 garLoopResultBuilder]: At program point L7311(line 7311) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,749 INFO L854 garLoopResultBuilder]: At program point L7113(lines 7068 7130) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,749 INFO L858 garLoopResultBuilder]: For program point L7445(lines 7445 7449) no Hoare annotation was computed. [2021-11-23 03:39:23,749 INFO L854 garLoopResultBuilder]: At program point L6124-1(line 6124) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,750 INFO L854 garLoopResultBuilder]: At program point L6124(line 6124) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,750 INFO L858 garLoopResultBuilder]: For program point L7776(line 7776) no Hoare annotation was computed. [2021-11-23 03:39:23,750 INFO L858 garLoopResultBuilder]: For program point L7644-1(line 7644) no Hoare annotation was computed. [2021-11-23 03:39:23,750 INFO L854 garLoopResultBuilder]: At program point L7644(line 7644) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,750 INFO L854 garLoopResultBuilder]: At program point L6455(lines 6439 6457) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,751 INFO L858 garLoopResultBuilder]: For program point L7976(line 7976) no Hoare annotation was computed. [2021-11-23 03:39:23,751 INFO L854 garLoopResultBuilder]: At program point L7778(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,751 INFO L854 garLoopResultBuilder]: At program point L7646(line 7646) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,751 INFO L854 garLoopResultBuilder]: At program point L7646-1(line 7646) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,751 INFO L854 garLoopResultBuilder]: At program point L6259(lines 6219 6261) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,751 INFO L854 garLoopResultBuilder]: At program point L7118(lines 7068 7130) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,752 INFO L861 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: true [2021-11-23 03:39:23,752 INFO L854 garLoopResultBuilder]: At program point L7647(line 7647) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,752 INFO L858 garLoopResultBuilder]: For program point L8044(line 8044) no Hoare annotation was computed. [2021-11-23 03:39:23,752 INFO L854 garLoopResultBuilder]: At program point L7780(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,752 INFO L854 garLoopResultBuilder]: At program point L7648(line 7648) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,753 INFO L854 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,753 INFO L854 garLoopResultBuilder]: At program point L7186-1(line 7186) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,753 INFO L861 garLoopResultBuilder]: At program point L8045(line 8045) the Hoare annotation is: true [2021-11-23 03:39:23,753 INFO L858 garLoopResultBuilder]: For program point L7649(line 7649) no Hoare annotation was computed. [2021-11-23 03:39:23,753 INFO L854 garLoopResultBuilder]: At program point L7451(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,754 INFO L858 garLoopResultBuilder]: For program point L7916(lines 7916 8053) no Hoare annotation was computed. [2021-11-23 03:39:23,754 INFO L858 garLoopResultBuilder]: For program point L7718(lines 7718 7725) no Hoare annotation was computed. [2021-11-23 03:39:23,754 INFO L858 garLoopResultBuilder]: For program point L7784(lines 7784 7789) no Hoare annotation was computed. [2021-11-23 03:39:23,754 INFO L858 garLoopResultBuilder]: For program point L7718-1(lines 7718 7725) no Hoare annotation was computed. [2021-11-23 03:39:23,754 INFO L858 garLoopResultBuilder]: For program point L6463-1(line 6463) no Hoare annotation was computed. [2021-11-23 03:39:23,754 INFO L854 garLoopResultBuilder]: At program point L6463(line 6463) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,755 INFO L858 garLoopResultBuilder]: For program point L7190(lines 7190 7193) no Hoare annotation was computed. [2021-11-23 03:39:23,755 INFO L858 garLoopResultBuilder]: For program point L7983(line 7983) no Hoare annotation was computed. [2021-11-23 03:39:23,755 INFO L858 garLoopResultBuilder]: For program point L7917(line 7917) no Hoare annotation was computed. [2021-11-23 03:39:23,755 INFO L858 garLoopResultBuilder]: For program point L6464(lines 6464 6467) no Hoare annotation was computed. [2021-11-23 03:39:23,755 INFO L858 garLoopResultBuilder]: For program point L7257-1(line 7257) no Hoare annotation was computed. [2021-11-23 03:39:23,755 INFO L854 garLoopResultBuilder]: At program point L7257(line 7257) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,756 INFO L858 garLoopResultBuilder]: For program point L7918(lines 7918 7945) no Hoare annotation was computed. [2021-11-23 03:39:23,756 INFO L858 garLoopResultBuilder]: For program point L7984(lines 7984 8049) no Hoare annotation was computed. [2021-11-23 03:39:23,756 INFO L854 garLoopResultBuilder]: At program point L7456(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,756 INFO L854 garLoopResultBuilder]: At program point L7258(line 7258) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,756 INFO L854 garLoopResultBuilder]: At program point L7324-1(line 7324) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,757 INFO L854 garLoopResultBuilder]: At program point L7324(line 7324) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,757 INFO L858 garLoopResultBuilder]: For program point L7258-1(line 7258) no Hoare annotation was computed. [2021-11-23 03:39:23,757 INFO L858 garLoopResultBuilder]: For program point L8051(line 8051) no Hoare annotation was computed. [2021-11-23 03:39:23,757 INFO L854 garLoopResultBuilder]: At program point L7655(lines 7635 7702) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,757 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:39:23,757 INFO L858 garLoopResultBuilder]: For program point L7259(lines 7259 7262) no Hoare annotation was computed. [2021-11-23 03:39:23,758 INFO L858 garLoopResultBuilder]: For program point L7986(lines 7986 8046) no Hoare annotation was computed. [2021-11-23 03:39:23,758 INFO L861 garLoopResultBuilder]: At program point L8052(line 8052) the Hoare annotation is: true [2021-11-23 03:39:23,758 INFO L858 garLoopResultBuilder]: For program point L7920(lines 7920 7942) no Hoare annotation was computed. [2021-11-23 03:39:23,758 INFO L858 garLoopResultBuilder]: For program point L7987(line 7987) no Hoare annotation was computed. [2021-11-23 03:39:23,758 INFO L858 garLoopResultBuilder]: For program point L7921(line 7921) no Hoare annotation was computed. [2021-11-23 03:39:23,758 INFO L858 garLoopResultBuilder]: For program point L6468-1(line 6468) no Hoare annotation was computed. [2021-11-23 03:39:23,759 INFO L854 garLoopResultBuilder]: At program point L6468(line 6468) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,759 INFO L858 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2021-11-23 03:39:23,759 INFO L854 garLoopResultBuilder]: At program point L7393(line 7393) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,759 INFO L858 garLoopResultBuilder]: For program point L7195(lines 7195 7198) no Hoare annotation was computed. [2021-11-23 03:39:23,759 INFO L854 garLoopResultBuilder]: At program point L8054(lines 7902 8059) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,759 INFO L854 garLoopResultBuilder]: At program point L7129(lines 7059 7131) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,760 INFO L858 garLoopResultBuilder]: For program point L7922(lines 7922 7930) no Hoare annotation was computed. [2021-11-23 03:39:23,760 INFO L858 garLoopResultBuilder]: For program point L7988(lines 7988 7992) no Hoare annotation was computed. [2021-11-23 03:39:23,760 INFO L858 garLoopResultBuilder]: For program point L7791(lines 7791 7796) no Hoare annotation was computed. [2021-11-23 03:39:23,760 INFO L858 garLoopResultBuilder]: For program point L7263-1(line 7263) no Hoare annotation was computed. [2021-11-23 03:39:23,760 INFO L854 garLoopResultBuilder]: At program point L7263(line 7263) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,760 INFO L858 garLoopResultBuilder]: For program point L7726(lines 7726 7733) no Hoare annotation was computed. [2021-11-23 03:39:23,761 INFO L858 garLoopResultBuilder]: For program point L7726-1(lines 7726 7733) no Hoare annotation was computed. [2021-11-23 03:39:23,761 INFO L858 garLoopResultBuilder]: For program point L7264-1(line 7264) no Hoare annotation was computed. [2021-11-23 03:39:23,761 INFO L854 garLoopResultBuilder]: At program point L7264(line 7264) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,761 INFO L858 garLoopResultBuilder]: For program point L7200(lines 7200 7203) no Hoare annotation was computed. [2021-11-23 03:39:23,761 INFO L858 garLoopResultBuilder]: For program point L7994(line 7994) no Hoare annotation was computed. [2021-11-23 03:39:23,761 INFO L858 garLoopResultBuilder]: For program point L7070(lines 7070 7073) no Hoare annotation was computed. [2021-11-23 03:39:23,762 INFO L858 garLoopResultBuilder]: For program point L7995(lines 7995 7999) no Hoare annotation was computed. [2021-11-23 03:39:23,762 INFO L858 garLoopResultBuilder]: For program point L7995-2(lines 7986 8046) no Hoare annotation was computed. [2021-11-23 03:39:23,762 INFO L858 garLoopResultBuilder]: For program point L7467-1(line 7467) no Hoare annotation was computed. [2021-11-23 03:39:23,762 INFO L854 garLoopResultBuilder]: At program point L7467(line 7467) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,762 INFO L858 garLoopResultBuilder]: For program point L7401(lines 7401 7404) no Hoare annotation was computed. [2021-11-23 03:39:23,763 INFO L854 garLoopResultBuilder]: At program point L7269(lines 7251 7271) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,763 INFO L858 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2021-11-23 03:39:23,763 INFO L854 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,763 INFO L858 garLoopResultBuilder]: For program point L7468-1(lines 7468 7469) no Hoare annotation was computed. [2021-11-23 03:39:23,763 INFO L854 garLoopResultBuilder]: At program point L7468(lines 7468 7469) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,763 INFO L854 garLoopResultBuilder]: At program point L8195-1(line 8195) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,764 INFO L854 garLoopResultBuilder]: At program point L7138(line 7138) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,764 INFO L854 garLoopResultBuilder]: At program point L8195(line 8195) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,764 INFO L858 garLoopResultBuilder]: For program point L7138-1(line 7138) no Hoare annotation was computed. [2021-11-23 03:39:23,764 INFO L854 garLoopResultBuilder]: At program point L6478(lines 6458 6480) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,764 INFO L854 garLoopResultBuilder]: At program point L8196(line 8196) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,765 INFO L858 garLoopResultBuilder]: For program point L7205(lines 7205 7210) no Hoare annotation was computed. [2021-11-23 03:39:23,765 INFO L858 garLoopResultBuilder]: For program point L7932(line 7932) no Hoare annotation was computed. [2021-11-23 03:39:23,765 INFO L858 garLoopResultBuilder]: For program point L7734-2(lines 7734 7737) no Hoare annotation was computed. [2021-11-23 03:39:23,765 INFO L854 garLoopResultBuilder]: At program point L7470(line 7470) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,765 INFO L854 garLoopResultBuilder]: At program point L7470-1(line 7470) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,765 INFO L858 garLoopResultBuilder]: For program point L7140(lines 7140 7143) no Hoare annotation was computed. [2021-11-23 03:39:23,766 INFO L858 garLoopResultBuilder]: For program point L7933(lines 7933 7938) no Hoare annotation was computed. [2021-11-23 03:39:23,766 INFO L854 garLoopResultBuilder]: At program point L8396-1(line 8396) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,766 INFO L854 garLoopResultBuilder]: At program point L8396(line 8396) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,766 INFO L858 garLoopResultBuilder]: For program point L7406(lines 7406 7411) no Hoare annotation was computed. [2021-11-23 03:39:23,766 INFO L854 garLoopResultBuilder]: At program point L7208(lines 7185 7216) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,767 INFO L858 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2021-11-23 03:39:23,767 INFO L854 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,767 INFO L858 garLoopResultBuilder]: For program point L7803-1(line 7803) no Hoare annotation was computed. [2021-11-23 03:39:23,767 INFO L854 garLoopResultBuilder]: At program point L7803(line 7803) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,767 INFO L858 garLoopResultBuilder]: For program point L7474(lines 7474 7477) no Hoare annotation was computed. [2021-11-23 03:39:23,767 INFO L858 garLoopResultBuilder]: For program point L7474-1(lines 7474 7477) no Hoare annotation was computed. [2021-11-23 03:39:23,768 INFO L854 garLoopResultBuilder]: At program point L7739(lines 7712 7745) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,768 INFO L854 garLoopResultBuilder]: At program point L7475(line 7475) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,768 INFO L854 garLoopResultBuilder]: At program point L7740(lines 7740 7743) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,768 INFO L854 garLoopResultBuilder]: At program point L7278(line 7278) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,768 INFO L858 garLoopResultBuilder]: For program point L7278-1(line 7278) no Hoare annotation was computed. [2021-11-23 03:39:23,768 INFO L858 garLoopResultBuilder]: For program point L7080(lines 7080 7085) no Hoare annotation was computed. [2021-11-23 03:39:23,769 INFO L858 garLoopResultBuilder]: For program point L8204-1(line 8204) no Hoare annotation was computed. [2021-11-23 03:39:23,769 INFO L854 garLoopResultBuilder]: At program point L8204(line 8204) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,769 INFO L858 garLoopResultBuilder]: For program point L8006(line 8006) no Hoare annotation was computed. [2021-11-23 03:39:23,769 INFO L858 garLoopResultBuilder]: For program point L7940(line 7940) no Hoare annotation was computed. [2021-11-23 03:39:23,769 INFO L858 garLoopResultBuilder]: For program point L7412-1(line 7412) no Hoare annotation was computed. [2021-11-23 03:39:23,769 INFO L854 garLoopResultBuilder]: At program point L7412(line 7412) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,770 INFO L858 garLoopResultBuilder]: For program point L7214(line 7214) no Hoare annotation was computed. [2021-11-23 03:39:23,770 INFO L858 garLoopResultBuilder]: For program point L7280(lines 7280 7283) no Hoare annotation was computed. [2021-11-23 03:39:23,770 INFO L858 garLoopResultBuilder]: For program point L8007(lines 8007 8014) no Hoare annotation was computed. [2021-11-23 03:39:23,770 INFO L861 garLoopResultBuilder]: At program point L7941(line 7941) the Hoare annotation is: true [2021-11-23 03:39:23,770 INFO L858 garLoopResultBuilder]: For program point L7479-1(line 7479) no Hoare annotation was computed. [2021-11-23 03:39:23,771 INFO L854 garLoopResultBuilder]: At program point L7479(line 7479) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,771 INFO L858 garLoopResultBuilder]: For program point L7413(lines 7413 7417) no Hoare annotation was computed. [2021-11-23 03:39:23,771 INFO L854 garLoopResultBuilder]: At program point L7215(lines 7179 7217) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,771 INFO L854 garLoopResultBuilder]: At program point L7876-1(line 7876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,771 INFO L854 garLoopResultBuilder]: At program point L7876(line 7876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,771 INFO L854 garLoopResultBuilder]: At program point L7744(lines 7704 7746) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,772 INFO L854 garLoopResultBuilder]: At program point L7480(lines 7480 7493) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,772 INFO L858 garLoopResultBuilder]: For program point L7813(lines 7813 7817) no Hoare annotation was computed. [2021-11-23 03:39:23,772 INFO L854 garLoopResultBuilder]: At program point L7483-1(line 7483) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,772 INFO L854 garLoopResultBuilder]: At program point L7483(line 7483) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,772 INFO L858 garLoopResultBuilder]: For program point L6228(lines 6228 6254) no Hoare annotation was computed. [2021-11-23 03:39:23,772 INFO L858 garLoopResultBuilder]: For program point L7153-1(line 7153) no Hoare annotation was computed. [2021-11-23 03:39:23,773 INFO L854 garLoopResultBuilder]: At program point L7153(line 7153) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,773 INFO L854 garLoopResultBuilder]: At program point L7814(line 7814) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,773 INFO L858 garLoopResultBuilder]: For program point L7814-1(line 7814) no Hoare annotation was computed. [2021-11-23 03:39:23,773 INFO L858 garLoopResultBuilder]: For program point L7484(line 7484) no Hoare annotation was computed. [2021-11-23 03:39:23,773 INFO L854 garLoopResultBuilder]: At program point L7154(line 7154) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,774 INFO L854 garLoopResultBuilder]: At program point L6229(line 6229) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,774 INFO L858 garLoopResultBuilder]: For program point L6229-1(line 6229) no Hoare annotation was computed. [2021-11-23 03:39:23,774 INFO L858 garLoopResultBuilder]: For program point L7088(lines 7088 7094) no Hoare annotation was computed. [2021-11-23 03:39:23,774 INFO L858 garLoopResultBuilder]: For program point L7154-1(line 7154) no Hoare annotation was computed. [2021-11-23 03:39:23,774 INFO L858 garLoopResultBuilder]: For program point L7947(line 7947) no Hoare annotation was computed. [2021-11-23 03:39:23,774 INFO L858 garLoopResultBuilder]: For program point L7683(lines 7683 7689) no Hoare annotation was computed. [2021-11-23 03:39:23,775 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 03:39:23,775 INFO L858 garLoopResultBuilder]: For program point L6230(lines 6230 6238) no Hoare annotation was computed. [2021-11-23 03:39:23,775 INFO L854 garLoopResultBuilder]: At program point L7155(lines 7132 7157) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,775 INFO L858 garLoopResultBuilder]: For program point L7948(lines 7948 7981) no Hoare annotation was computed. [2021-11-23 03:39:23,775 INFO L858 garLoopResultBuilder]: For program point L7486(lines 7486 7490) no Hoare annotation was computed. [2021-11-23 03:39:23,775 INFO L854 garLoopResultBuilder]: At program point L7486-1(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,776 INFO L858 garLoopResultBuilder]: For program point L7288-1(line 7288) no Hoare annotation was computed. [2021-11-23 03:39:23,776 INFO L854 garLoopResultBuilder]: At program point L7288(line 7288) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,776 INFO L854 garLoopResultBuilder]: At program point L7090(line 7090) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,776 INFO L854 garLoopResultBuilder]: At program point L8213-1(line 8213) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,776 INFO L854 garLoopResultBuilder]: At program point L8213(line 8213) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,776 INFO L858 garLoopResultBuilder]: For program point L7090-1(line 7090) no Hoare annotation was computed. [2021-11-23 03:39:23,777 INFO L858 garLoopResultBuilder]: For program point L7685-1(line 7685) no Hoare annotation was computed. [2021-11-23 03:39:23,777 INFO L854 garLoopResultBuilder]: At program point L7685(line 7685) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,777 INFO L854 garLoopResultBuilder]: At program point L7487(line 7487) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,777 INFO L854 garLoopResultBuilder]: At program point L8214(line 8214) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,777 INFO L858 garLoopResultBuilder]: For program point L7289-1(line 7289) no Hoare annotation was computed. [2021-11-23 03:39:23,777 INFO L854 garLoopResultBuilder]: At program point L7289(line 7289) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,778 INFO L858 garLoopResultBuilder]: For program point L7950(lines 7950 7978) no Hoare annotation was computed. [2021-11-23 03:39:23,778 INFO L858 garLoopResultBuilder]: For program point L8016(line 8016) no Hoare annotation was computed. [2021-11-23 03:39:23,778 INFO L854 garLoopResultBuilder]: At program point L7290(lines 7272 7292) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,778 INFO L854 garLoopResultBuilder]: At program point L8479(line 8479) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,778 INFO L854 garLoopResultBuilder]: At program point L8479-1(line 8479) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,779 INFO L854 garLoopResultBuilder]: At program point L6233(line 6233) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,779 INFO L858 garLoopResultBuilder]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2021-11-23 03:39:23,779 INFO L858 garLoopResultBuilder]: For program point L7951(line 7951) no Hoare annotation was computed. [2021-11-23 03:39:23,779 INFO L858 garLoopResultBuilder]: For program point L8017(lines 8017 8021) no Hoare annotation was computed. [2021-11-23 03:39:23,779 INFO L854 garLoopResultBuilder]: At program point L7819(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,779 INFO L854 garLoopResultBuilder]: At program point L7885-1(line 7885) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~ldv_spin~0 0)) [2021-11-23 03:39:23,780 INFO L854 garLoopResultBuilder]: At program point L7885(line 7885) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~ldv_spin~0 0)) [2021-11-23 03:39:23,780 INFO L858 garLoopResultBuilder]: For program point L6234(lines 6234 6237) no Hoare annotation was computed. [2021-11-23 03:39:23,780 INFO L854 garLoopResultBuilder]: At program point L7952(lines 7952 7957) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,780 INFO L854 garLoopResultBuilder]: At program point L7820(lines 7820 7823) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,780 INFO L854 garLoopResultBuilder]: At program point L6104-1(line 6104) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,781 INFO L858 garLoopResultBuilder]: For program point L7095-1(line 7095) no Hoare annotation was computed. [2021-11-23 03:39:23,781 INFO L854 garLoopResultBuilder]: At program point L7095(line 7095) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,781 INFO L854 garLoopResultBuilder]: At program point L6104(line 6104) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,781 INFO L858 garLoopResultBuilder]: For program point L7096-1(lines 7096 7097) no Hoare annotation was computed. [2021-11-23 03:39:23,781 INFO L854 garLoopResultBuilder]: At program point L7096(lines 7096 7097) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,781 INFO L854 garLoopResultBuilder]: At program point L7824(lines 7747 7826) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,782 INFO L854 garLoopResultBuilder]: At program point L7494(line 7494) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,782 INFO L858 garLoopResultBuilder]: For program point L7494-1(line 7494) no Hoare annotation was computed. [2021-11-23 03:39:23,782 INFO L858 garLoopResultBuilder]: For program point L7164-1(line 7164) no Hoare annotation was computed. [2021-11-23 03:39:23,782 INFO L854 garLoopResultBuilder]: At program point L7164(line 7164) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,782 INFO L854 garLoopResultBuilder]: At program point L8023(line 8023) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,782 INFO L858 garLoopResultBuilder]: For program point L7759(lines 7759 7762) no Hoare annotation was computed. [2021-11-23 03:39:23,783 INFO L858 garLoopResultBuilder]: For program point L6240-1(lines 6228 6254) no Hoare annotation was computed. [2021-11-23 03:39:23,783 INFO L854 garLoopResultBuilder]: At program point L8222(line 8222) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,783 INFO L858 garLoopResultBuilder]: For program point L6240(lines 6240 6254) no Hoare annotation was computed. [2021-11-23 03:39:23,783 INFO L858 garLoopResultBuilder]: For program point L7165-1(line 7165) no Hoare annotation was computed. [2021-11-23 03:39:23,783 INFO L854 garLoopResultBuilder]: At program point L7165(line 7165) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,783 INFO L854 garLoopResultBuilder]: At program point L8222-1(line 8222) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,784 INFO L858 garLoopResultBuilder]: For program point L7166(lines 7166 7169) no Hoare annotation was computed. [2021-11-23 03:39:23,784 INFO L854 garLoopResultBuilder]: At program point L8223(line 8223) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,784 INFO L854 garLoopResultBuilder]: At program point L6241(line 6241) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,784 INFO L858 garLoopResultBuilder]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2021-11-23 03:39:23,784 INFO L858 garLoopResultBuilder]: For program point L7100-1(line 7100) no Hoare annotation was computed. [2021-11-23 03:39:23,785 INFO L854 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,785 INFO L858 garLoopResultBuilder]: For program point L7959(line 7959) no Hoare annotation was computed. [2021-11-23 03:39:23,785 INFO L854 garLoopResultBuilder]: At program point L7497(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,785 INFO L858 garLoopResultBuilder]: For program point L6242(lines 6242 6251) no Hoare annotation was computed. [2021-11-23 03:39:23,785 INFO L854 garLoopResultBuilder]: At program point L7960(lines 7960 7974) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,785 INFO L858 garLoopResultBuilder]: For program point L7696-1(line 7696) no Hoare annotation was computed. [2021-11-23 03:39:23,786 INFO L854 garLoopResultBuilder]: At program point L7696(line 7696) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,786 INFO L858 garLoopResultBuilder]: For program point L7102(lines 7102 7108) no Hoare annotation was computed. [2021-11-23 03:39:23,786 INFO L854 garLoopResultBuilder]: At program point L7499(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,786 INFO L854 garLoopResultBuilder]: At program point L8358(line 8358) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,786 INFO L858 garLoopResultBuilder]: For program point L7301-1(line 7301) no Hoare annotation was computed. [2021-11-23 03:39:23,786 INFO L854 garLoopResultBuilder]: At program point L8358-1(line 8358) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,787 INFO L854 garLoopResultBuilder]: At program point L7301(line 7301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,787 INFO L858 garLoopResultBuilder]: For program point L7103-1(line 7103) no Hoare annotation was computed. [2021-11-23 03:39:23,787 INFO L854 garLoopResultBuilder]: At program point L7103(line 7103) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,787 INFO L858 garLoopResultBuilder]: For program point L7962(lines 7962 7967) no Hoare annotation was computed. [2021-11-23 03:39:23,787 INFO L858 garLoopResultBuilder]: For program point L7962-2(lines 7960 7973) no Hoare annotation was computed. [2021-11-23 03:39:23,788 INFO L854 garLoopResultBuilder]: At program point L7170(line 7170) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,788 INFO L854 garLoopResultBuilder]: At program point L6245(lines 6245 6246) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-23 03:39:23,788 INFO L858 garLoopResultBuilder]: For program point L6245-1(lines 6245 6246) no Hoare annotation was computed. [2021-11-23 03:39:23,788 INFO L861 garLoopResultBuilder]: At program point can_change_mtuENTRY(lines 8361 8363) the Hoare annotation is: true [2021-11-23 03:39:23,788 INFO L858 garLoopResultBuilder]: For program point can_change_mtuEXIT(lines 8361 8363) no Hoare annotation was computed. [2021-11-23 03:39:23,792 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:39:23,794 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:39:23,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:39:23 BoogieIcfgContainer [2021-11-23 03:39:23,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:39:23,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:39:23,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:39:23,823 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:39:23,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:21" (3/4) ... [2021-11-23 03:39:23,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:39:23,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2021-11-23 03:39:23,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_anchored_urbs [2021-11-23 03:39:23,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-23 03:39:23,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure init_usb_anchor [2021-11-23 03:39:23,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_wait_msg [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2021-11-23 03:39:23,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_send_simple_msg [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_device_detach [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2021-11-23 03:39:23,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_unlink_tx_urbs [2021-11-23 03:39:23,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_xfer_bulk [2021-11-23 03:39:23,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-23 03:39:23,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2021-11-23 03:39:23,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec [2021-11-23 03:39:23,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_unanchor_urb [2021-11-23 03:39:23,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_waitqueue_head [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_send_msg [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure close_candev [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_remove_interfaces [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 03:39:23,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_candev [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion_timeout [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-23 03:39:23,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2021-11-23 03:39:23,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-11-23 03:39:23,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_anchor_urb [2021-11-23 03:39:23,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2021-11-23 03:39:23,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_change_mtu [2021-11-23 03:39:23,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 348 nodes and edges [2021-11-23 03:39:23,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2021-11-23 03:39:23,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 03:39:23,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 03:39:23,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 03:39:23,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:39:23,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:39:24,708 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:39:24,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:39:24,709 INFO L158 Benchmark]: Toolchain (without parser) took 69761.66ms. Allocated memory was 98.6MB in the beginning and 381.7MB in the end (delta: 283.1MB). Free memory was 53.4MB in the beginning and 262.5MB in the end (delta: -209.2MB). Peak memory consumption was 267.7MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,710 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:39:24,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2489.67ms. Allocated memory was 98.6MB in the beginning and 180.4MB in the end (delta: 81.8MB). Free memory was 53.2MB in the beginning and 95.6MB in the end (delta: -42.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.55ms. Allocated memory is still 180.4MB. Free memory was 95.6MB in the beginning and 81.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,712 INFO L158 Benchmark]: Boogie Preprocessor took 272.70ms. Allocated memory is still 180.4MB. Free memory was 81.8MB in the beginning and 109.5MB in the end (delta: -27.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,713 INFO L158 Benchmark]: RCFGBuilder took 3255.20ms. Allocated memory was 180.4MB in the beginning and 291.5MB in the end (delta: 111.1MB). Free memory was 109.5MB in the beginning and 150.5MB in the end (delta: -41.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,713 INFO L158 Benchmark]: TraceAbstraction took 62596.35ms. Allocated memory was 291.5MB in the beginning and 381.7MB in the end (delta: 90.2MB). Free memory was 149.4MB in the beginning and 159.8MB in the end (delta: -10.3MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,714 INFO L158 Benchmark]: Witness Printer took 886.61ms. Allocated memory is still 381.7MB. Free memory was 159.8MB in the beginning and 262.5MB in the end (delta: -102.8MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2021-11-23 03:39:24,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2489.67ms. Allocated memory was 98.6MB in the beginning and 180.4MB in the end (delta: 81.8MB). Free memory was 53.2MB in the beginning and 95.6MB in the end (delta: -42.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 248.55ms. Allocated memory is still 180.4MB. Free memory was 95.6MB in the beginning and 81.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 272.70ms. Allocated memory is still 180.4MB. Free memory was 81.8MB in the beginning and 109.5MB in the end (delta: -27.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3255.20ms. Allocated memory was 180.4MB in the beginning and 291.5MB in the end (delta: 111.1MB). Free memory was 109.5MB in the beginning and 150.5MB in the end (delta: -41.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * TraceAbstraction took 62596.35ms. Allocated memory was 291.5MB in the beginning and 381.7MB in the end (delta: 90.2MB). Free memory was 149.4MB in the beginning and 159.8MB in the end (delta: -10.3MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. * Witness Printer took 886.61ms. Allocated memory is still 381.7MB. Free memory was 159.8MB in the beginning and 262.5MB in the end (delta: -102.8MB). Peak memory consumption was 90.9MB. 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: 5884]: 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 44 procedures, 441 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 62.5s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 49.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 3309 SdHoareTripleChecker+Valid, 47.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3199 mSDsluCounter, 11515 SdHoareTripleChecker+Invalid, 46.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6114 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2028 IncrementalHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 6286 mSDtfsCounter, 2028 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3691occurred in iteration=9, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 4073 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 230 LocationsWithAnnotation, 7693 PreInvPairs, 8615 NumberOfFragments, 530 HoareAnnotationTreeSize, 7693 FomulaSimplifications, 24169 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 230 FomulaSimplificationsInter, 5503 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1806 NumberOfCodeBlocks, 1806 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1793 ConstructedInterpolants, 0 QuantifiedInterpolants, 3090 SizeOfPredicates, 0 NumberOfNonLiveVariables, 8255 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 1008/1019 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: 6146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7876]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7755]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7635]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8396]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7820]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7755]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7272]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8223]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7470]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7704]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8214]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6226]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7186]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7068]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7132]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6027]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7480]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6124]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7068]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7324]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7185]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8073]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7747]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7755]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8479]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7902]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6104]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7952]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7251]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7712]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8023]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8196]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7905]: Loop Invariant Derived loop invariant: (ldv_state_variable_2 == 0 && ldv_spin == 0) && ldv_state_variable_1 == 0 - InvariantResult [Line: 7902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6458]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6219]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7765]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7623]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7158]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7827]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7179]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7885]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 1 && ldv_spin == 0 - InvariantResult [Line: 7740]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6439]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8232]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8358]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7059]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7960]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7372]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 03:39:24,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f977c5f-650b-4e1c-84a2-9736a9c50d89/bin/utaipan-EQgc7hIp5V/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