./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.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_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/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_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/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_5822ed82-2259-4131-a4b0-95e3c55e0b95/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 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:24:04,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:24:04,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:24:04,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:24:04,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:24:04,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:24:04,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:24:04,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:24:04,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:24:04,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:24:04,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:24:04,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:24:04,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:24:04,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:24:04,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:24:04,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:24:04,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:24:04,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:24:04,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:24:04,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:24:04,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:24:04,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:24:04,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:24:04,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:24:04,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:24:04,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:24:04,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:24:04,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:24:04,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:24:04,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:24:04,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:24:04,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:24:04,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:24:04,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:24:04,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:24:04,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:24:04,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:24:04,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:24:04,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:24:04,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:24:04,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:24:04,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:24:04,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:24:04,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:24:04,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:24:04,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:24:04,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:24:04,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:24:04,572 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:24:04,572 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:24:04,572 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:24:04,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:24:04,574 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:24:04,574 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:24:04,574 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:24:04,575 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:24:04,575 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:24:04,575 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:24:04,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:24:04,576 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:24:04,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:24:04,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:24:04,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:24:04,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:24:04,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:24:04,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:24:04,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:24:04,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:24:04,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:24:04,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:24:04,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:24:04,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:24:04,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:24:04,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:24:04,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:24:04,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:24:04,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:24:04,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:24:04,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:24:04,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:24:04,584 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_5822ed82-2259-4131-a4b0-95e3c55e0b95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 [2021-11-23 02:24:04,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:24:04,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:24:04,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:24:04,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:24:04,883 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:24:04,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-11-23 02:24:04,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/data/e15480978/e383171eb78e41ffb57d4bb5847269ca/FLAG73c39c325 [2021-11-23 02:24:05,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:24:05,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-11-23 02:24:05,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/data/e15480978/e383171eb78e41ffb57d4bb5847269ca/FLAG73c39c325 [2021-11-23 02:24:06,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/data/e15480978/e383171eb78e41ffb57d4bb5847269ca [2021-11-23 02:24:06,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:24:06,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:24:06,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:24:06,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:24:06,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:24:06,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:06" (1/1) ... [2021-11-23 02:24:06,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3092e40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:06, skipping insertion in model container [2021-11-23 02:24:06,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:06" (1/1) ... [2021-11-23 02:24:06,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:24:06,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:24:07,988 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_5822ed82-2259-4131-a4b0-95e3c55e0b95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-11-23 02:24:08,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:24:08,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:24:08,660 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_5822ed82-2259-4131-a4b0-95e3c55e0b95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-11-23 02:24:08,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:24:08,843 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:24:08,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08 WrapperNode [2021-11-23 02:24:08,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:24:08,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:24:08,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:24:08,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:24:08,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:08,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,058 INFO L137 Inliner]: procedures = 170, calls = 847, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1558 [2021-11-23 02:24:09,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:24:09,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:24:09,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:24:09,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:24:09,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:24:09,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:24:09,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:24:09,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:24:09,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (1/1) ... [2021-11-23 02:24:09,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:24:09,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:24:09,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:24:09,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:24:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:24:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2021-11-23 02:24:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2021-11-23 02:24:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:24:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:24:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:24:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:24:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:24:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:24:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:24:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 02:24:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 02:24:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2021-11-23 02:24:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2021-11-23 02:24:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:24:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:24:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-11-23 02:24:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-11-23 02:24:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:24:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:24:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:24:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:24:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:24:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:24:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:24:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2021-11-23 02:24:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2021-11-23 02:24:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-23 02:24:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-23 02:24:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:24:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:24:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:24:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:24:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-11-23 02:24:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-11-23 02:24:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:24:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2021-11-23 02:24:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2021-11-23 02:24:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:24:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:24:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:24:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:24:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:24:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:24:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:24:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:24:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 02:24:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 02:24:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-23 02:24:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-23 02:24:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:24:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:24:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2021-11-23 02:24:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2021-11-23 02:24:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:24:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:24:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 02:24:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 02:24:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:24:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-11-23 02:24:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-11-23 02:24:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:24:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:24:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:24:09,887 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:24:09,897 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:24:10,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:24:20,171 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:24:20,474 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:24:20,474 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:24:20,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:20 BoogieIcfgContainer [2021-11-23 02:24:20,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:24:20,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:24:20,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:24:20,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:24:20,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:24:06" (1/3) ... [2021-11-23 02:24:20,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1059a2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:20, skipping insertion in model container [2021-11-23 02:24:20,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:08" (2/3) ... [2021-11-23 02:24:20,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1059a2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:20, skipping insertion in model container [2021-11-23 02:24:20,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:20" (3/3) ... [2021-11-23 02:24:20,491 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-11-23 02:24:20,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:24:20,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:24:20,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:24:20,573 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 02:24:20,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:24:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 189 states have (on average 1.4497354497354498) internal successors, (274), 205 states have internal predecessors, (274), 74 states have call successors, (74), 24 states have call predecessors, (74), 23 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2021-11-23 02:24:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 02:24:20,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:20,609 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:20,609 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:20,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:20,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1272360966, now seen corresponding path program 1 times [2021-11-23 02:24:20,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:20,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329466103] [2021-11-23 02:24:20,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:20,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 02:24:21,362 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:21,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329466103] [2021-11-23 02:24:21,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329466103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:21,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:21,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:21,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564280814] [2021-11-23 02:24:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:21,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:21,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:21,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:21,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:21,415 INFO L87 Difference]: Start difference. First operand has 288 states, 189 states have (on average 1.4497354497354498) internal successors, (274), 205 states have internal predecessors, (274), 74 states have call successors, (74), 24 states have call predecessors, (74), 23 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-23 02:24:23,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:23,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:23,879 INFO L93 Difference]: Finished difference Result 794 states and 1165 transitions. [2021-11-23 02:24:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2021-11-23 02:24:23,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:23,913 INFO L225 Difference]: With dead ends: 794 [2021-11-23 02:24:23,914 INFO L226 Difference]: Without dead ends: 514 [2021-11-23 02:24:23,923 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 02:24:23,927 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 338 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:23,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 742 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:24:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-11-23 02:24:24,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 508. [2021-11-23 02:24:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 350 states have (on average 1.4142857142857144) internal successors, (495), 358 states have internal predecessors, (495), 114 states have call successors, (114), 44 states have call predecessors, (114), 43 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2021-11-23 02:24:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 714 transitions. [2021-11-23 02:24:24,043 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 714 transitions. Word has length 104 [2021-11-23 02:24:24,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:24,045 INFO L470 AbstractCegarLoop]: Abstraction has 508 states and 714 transitions. [2021-11-23 02:24:24,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-23 02:24:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 714 transitions. [2021-11-23 02:24:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 02:24:24,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:24,050 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:24,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:24:24,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:24,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:24,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1558245574, now seen corresponding path program 1 times [2021-11-23 02:24:24,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:24,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267262926] [2021-11-23 02:24:24,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:24,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 02:24:24,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:24,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267262926] [2021-11-23 02:24:24,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267262926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:24,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:24,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:24,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087194252] [2021-11-23 02:24:24,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:24,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:24,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:24,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:24,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:24,345 INFO L87 Difference]: Start difference. First operand 508 states and 714 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:26,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:26,691 INFO L93 Difference]: Finished difference Result 1459 states and 2047 transitions. [2021-11-23 02:24:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:26,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2021-11-23 02:24:26,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:26,700 INFO L225 Difference]: With dead ends: 1459 [2021-11-23 02:24:26,700 INFO L226 Difference]: Without dead ends: 975 [2021-11-23 02:24:26,703 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 02:24:26,704 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 339 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:26,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 722 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:24:26,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2021-11-23 02:24:26,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 957. [2021-11-23 02:24:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 665 states have (on average 1.4150375939849624) internal successors, (941), 674 states have internal predecessors, (941), 206 states have call successors, (206), 86 states have call predecessors, (206), 85 states have return successors, (197), 196 states have call predecessors, (197), 197 states have call successors, (197) [2021-11-23 02:24:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1344 transitions. [2021-11-23 02:24:26,805 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1344 transitions. Word has length 108 [2021-11-23 02:24:26,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:26,806 INFO L470 AbstractCegarLoop]: Abstraction has 957 states and 1344 transitions. [2021-11-23 02:24:26,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1344 transitions. [2021-11-23 02:24:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 02:24:26,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:26,823 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:26,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:24:26,824 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:26,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash 298090104, now seen corresponding path program 1 times [2021-11-23 02:24:26,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:26,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973173502] [2021-11-23 02:24:26,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:26,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 02:24:27,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:27,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973173502] [2021-11-23 02:24:27,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973173502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:27,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:27,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:27,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346727039] [2021-11-23 02:24:27,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:27,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:27,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:27,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:27,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:27,148 INFO L87 Difference]: Start difference. First operand 957 states and 1344 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:29,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:29,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:29,514 INFO L93 Difference]: Finished difference Result 2654 states and 3735 transitions. [2021-11-23 02:24:29,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:29,514 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), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2021-11-23 02:24:29,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:29,529 INFO L225 Difference]: With dead ends: 2654 [2021-11-23 02:24:29,529 INFO L226 Difference]: Without dead ends: 1721 [2021-11-23 02:24:29,534 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 02:24:29,535 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 319 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:29,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 768 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:24:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-11-23 02:24:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1703. [2021-11-23 02:24:29,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1199 states have (on average 1.4253544620517098) internal successors, (1709), 1210 states have internal predecessors, (1709), 350 states have call successors, (350), 154 states have call predecessors, (350), 153 states have return successors, (341), 338 states have call predecessors, (341), 341 states have call successors, (341) [2021-11-23 02:24:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2400 transitions. [2021-11-23 02:24:29,643 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2400 transitions. Word has length 114 [2021-11-23 02:24:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:29,644 INFO L470 AbstractCegarLoop]: Abstraction has 1703 states and 2400 transitions. [2021-11-23 02:24:29,644 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), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2400 transitions. [2021-11-23 02:24:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 02:24:29,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:29,646 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:29,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:24:29,647 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:29,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:29,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1856615782, now seen corresponding path program 1 times [2021-11-23 02:24:29,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:29,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013830242] [2021-11-23 02:24:29,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:29,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 02:24:29,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:29,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013830242] [2021-11-23 02:24:29,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013830242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:29,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:29,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:29,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960975560] [2021-11-23 02:24:29,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:29,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:29,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:29,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:29,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:29,895 INFO L87 Difference]: Start difference. First operand 1703 states and 2400 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:31,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:32,278 INFO L93 Difference]: Finished difference Result 3193 states and 4545 transitions. [2021-11-23 02:24:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:32,279 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), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2021-11-23 02:24:32,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:32,308 INFO L225 Difference]: With dead ends: 3193 [2021-11-23 02:24:32,308 INFO L226 Difference]: Without dead ends: 3189 [2021-11-23 02:24:32,313 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 02:24:32,316 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 319 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:32,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 681 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:24:32,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2021-11-23 02:24:32,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 3187. [2021-11-23 02:24:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3187 states, 2260 states have (on average 1.4252212389380532) internal successors, (3221), 2274 states have internal predecessors, (3221), 633 states have call successors, (633), 294 states have call predecessors, (633), 293 states have return successors, (680), 618 states have call predecessors, (680), 624 states have call successors, (680) [2021-11-23 02:24:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 3187 states and 4534 transitions. [2021-11-23 02:24:32,598 INFO L78 Accepts]: Start accepts. Automaton has 3187 states and 4534 transitions. Word has length 119 [2021-11-23 02:24:32,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:32,599 INFO L470 AbstractCegarLoop]: Abstraction has 3187 states and 4534 transitions. [2021-11-23 02:24:32,599 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), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 4534 transitions. [2021-11-23 02:24:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 02:24:32,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:32,602 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:32,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:24:32,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:32,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:32,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1720575728, now seen corresponding path program 1 times [2021-11-23 02:24:32,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:32,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294590858] [2021-11-23 02:24:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:32,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 02:24:32,817 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:32,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294590858] [2021-11-23 02:24:32,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294590858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:32,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:32,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:32,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848278688] [2021-11-23 02:24:32,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:32,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:32,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:32,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:32,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:32,820 INFO L87 Difference]: Start difference. First operand 3187 states and 4534 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:34,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:35,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:35,126 INFO L93 Difference]: Finished difference Result 3189 states and 4535 transitions. [2021-11-23 02:24:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2021-11-23 02:24:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:35,150 INFO L225 Difference]: With dead ends: 3189 [2021-11-23 02:24:35,150 INFO L226 Difference]: Without dead ends: 3186 [2021-11-23 02:24:35,153 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 02:24:35,153 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 354 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:35,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 335 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:24:35,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2021-11-23 02:24:35,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3186. [2021-11-23 02:24:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 2260 states have (on average 1.424778761061947) internal successors, (3220), 2273 states have internal predecessors, (3220), 632 states have call successors, (632), 294 states have call predecessors, (632), 293 states have return successors, (680), 618 states have call predecessors, (680), 624 states have call successors, (680) [2021-11-23 02:24:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 4532 transitions. [2021-11-23 02:24:35,371 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 4532 transitions. Word has length 120 [2021-11-23 02:24:35,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:35,373 INFO L470 AbstractCegarLoop]: Abstraction has 3186 states and 4532 transitions. [2021-11-23 02:24:35,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 4532 transitions. [2021-11-23 02:24:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 02:24:35,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:35,377 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:35,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:24:35,377 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:35,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:35,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1798296483, now seen corresponding path program 1 times [2021-11-23 02:24:35,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:35,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835546309] [2021-11-23 02:24:35,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:35,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 02:24:35,589 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:35,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835546309] [2021-11-23 02:24:35,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835546309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:35,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:35,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:35,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080275185] [2021-11-23 02:24:35,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:35,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:35,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:35,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:35,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:35,591 INFO L87 Difference]: Start difference. First operand 3186 states and 4532 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:37,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:37,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:37,861 INFO L93 Difference]: Finished difference Result 3188 states and 4533 transitions. [2021-11-23 02:24:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:37,862 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2021-11-23 02:24:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:37,886 INFO L225 Difference]: With dead ends: 3188 [2021-11-23 02:24:37,886 INFO L226 Difference]: Without dead ends: 3185 [2021-11-23 02:24:37,888 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 02:24:37,889 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:37,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [351 Valid, 333 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:24:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2021-11-23 02:24:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3185. [2021-11-23 02:24:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 2260 states have (on average 1.4243362831858406) internal successors, (3219), 2272 states have internal predecessors, (3219), 631 states have call successors, (631), 294 states have call predecessors, (631), 293 states have return successors, (680), 618 states have call predecessors, (680), 624 states have call successors, (680) [2021-11-23 02:24:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 4530 transitions. [2021-11-23 02:24:38,068 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 4530 transitions. Word has length 121 [2021-11-23 02:24:38,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:38,069 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 4530 transitions. [2021-11-23 02:24:38,069 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 4530 transitions. [2021-11-23 02:24:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 02:24:38,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:38,071 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:38,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:24:38,072 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:38,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:38,072 INFO L85 PathProgramCache]: Analyzing trace with hash 87332275, now seen corresponding path program 1 times [2021-11-23 02:24:38,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:38,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358796368] [2021-11-23 02:24:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:38,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 02:24:38,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:38,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358796368] [2021-11-23 02:24:38,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358796368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:38,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:38,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:38,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650438448] [2021-11-23 02:24:38,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:38,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:38,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:38,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:38,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:38,274 INFO L87 Difference]: Start difference. First operand 3185 states and 4530 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:40,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:40,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:40,546 INFO L93 Difference]: Finished difference Result 3187 states and 4531 transitions. [2021-11-23 02:24:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:40,547 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), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2021-11-23 02:24:40,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:40,570 INFO L225 Difference]: With dead ends: 3187 [2021-11-23 02:24:40,570 INFO L226 Difference]: Without dead ends: 3184 [2021-11-23 02:24:40,573 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 02:24:40,574 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 348 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:40,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 331 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:24:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2021-11-23 02:24:40,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3184. [2021-11-23 02:24:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 2260 states have (on average 1.4238938053097345) internal successors, (3218), 2271 states have internal predecessors, (3218), 630 states have call successors, (630), 294 states have call predecessors, (630), 293 states have return successors, (680), 618 states have call predecessors, (680), 624 states have call successors, (680) [2021-11-23 02:24:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4528 transitions. [2021-11-23 02:24:40,804 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4528 transitions. Word has length 122 [2021-11-23 02:24:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:40,808 INFO L470 AbstractCegarLoop]: Abstraction has 3184 states and 4528 transitions. [2021-11-23 02:24:40,809 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), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4528 transitions. [2021-11-23 02:24:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 02:24:40,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:40,812 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:24:40,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:24:40,814 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:40,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:40,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1587713504, now seen corresponding path program 1 times [2021-11-23 02:24:40,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:40,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265516406] [2021-11-23 02:24:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:40,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 02:24:41,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:41,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265516406] [2021-11-23 02:24:41,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265516406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:41,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:41,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:24:41,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608908286] [2021-11-23 02:24:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:41,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:24:41,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:24:41,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:24:41,036 INFO L87 Difference]: Start difference. First operand 3184 states and 4528 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:43,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:43,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:43,501 INFO L93 Difference]: Finished difference Result 6249 states and 9020 transitions. [2021-11-23 02:24:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:24:43,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2021-11-23 02:24:43,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:43,559 INFO L225 Difference]: With dead ends: 6249 [2021-11-23 02:24:43,559 INFO L226 Difference]: Without dead ends: 6239 [2021-11-23 02:24:43,564 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 02:24:43,565 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 338 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:43,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 686 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:24:43,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6239 states. [2021-11-23 02:24:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6239 to 6234. [2021-11-23 02:24:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6234 states, 4446 states have (on average 1.4244264507422402) internal successors, (6333), 4463 states have internal predecessors, (6333), 1220 states have call successors, (1220), 568 states have call predecessors, (1220), 567 states have return successors, (1438), 1202 states have call predecessors, (1438), 1214 states have call successors, (1438) [2021-11-23 02:24:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 8991 transitions. [2021-11-23 02:24:43,950 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 8991 transitions. Word has length 123 [2021-11-23 02:24:43,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:43,950 INFO L470 AbstractCegarLoop]: Abstraction has 6234 states and 8991 transitions. [2021-11-23 02:24:43,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:24:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 8991 transitions. [2021-11-23 02:24:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-23 02:24:43,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:43,958 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2021-11-23 02:24:43,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:24:43,958 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1816441842, now seen corresponding path program 1 times [2021-11-23 02:24:43,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:43,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930004796] [2021-11-23 02:24:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:43,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-23 02:24:44,288 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:44,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930004796] [2021-11-23 02:24:44,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930004796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:44,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:44,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:24:44,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121866230] [2021-11-23 02:24:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:44,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:24:44,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:44,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:24:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:24:44,291 INFO L87 Difference]: Start difference. First operand 6234 states and 8991 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 02:24:46,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:46,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:46,912 INFO L93 Difference]: Finished difference Result 6616 states and 9447 transitions. [2021-11-23 02:24:46,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:24:46,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 164 [2021-11-23 02:24:46,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:46,959 INFO L225 Difference]: With dead ends: 6616 [2021-11-23 02:24:46,959 INFO L226 Difference]: Without dead ends: 6613 [2021-11-23 02:24:46,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:24:46,964 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 178 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:46,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 685 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:24:46,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6613 states. [2021-11-23 02:24:47,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6613 to 6611. [2021-11-23 02:24:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6611 states, 4674 states have (on average 1.4152759948652118) internal successors, (6615), 4702 states have internal predecessors, (6615), 1291 states have call successors, (1291), 634 states have call predecessors, (1291), 645 states have return successors, (1526), 1274 states have call predecessors, (1526), 1286 states have call successors, (1526) [2021-11-23 02:24:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 9432 transitions. [2021-11-23 02:24:47,370 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 9432 transitions. Word has length 164 [2021-11-23 02:24:47,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:47,371 INFO L470 AbstractCegarLoop]: Abstraction has 6611 states and 9432 transitions. [2021-11-23 02:24:47,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 02:24:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 9432 transitions. [2021-11-23 02:24:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 02:24:47,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:47,379 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 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] [2021-11-23 02:24:47,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:24:47,379 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1342622653, now seen corresponding path program 1 times [2021-11-23 02:24:47,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:47,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355974410] [2021-11-23 02:24:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:47,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-11-23 02:24:47,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:47,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355974410] [2021-11-23 02:24:47,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355974410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:47,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:47,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:24:47,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041469169] [2021-11-23 02:24:47,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:47,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:24:47,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:47,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:24:47,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:24:47,800 INFO L87 Difference]: Start difference. First operand 6611 states and 9432 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-23 02:24:49,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:50,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:50,938 INFO L93 Difference]: Finished difference Result 6639 states and 9462 transitions. [2021-11-23 02:24:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:24:50,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 171 [2021-11-23 02:24:50,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:50,968 INFO L225 Difference]: With dead ends: 6639 [2021-11-23 02:24:50,968 INFO L226 Difference]: Without dead ends: 6633 [2021-11-23 02:24:50,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:24:50,974 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 545 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:50,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 409 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 293 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 02:24:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6633 states. [2021-11-23 02:24:51,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6633 to 6569. [2021-11-23 02:24:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6569 states, 4646 states have (on average 1.4130434782608696) internal successors, (6565), 4684 states have internal predecessors, (6565), 1277 states have call successors, (1277), 622 states have call predecessors, (1277), 645 states have return successors, (1530), 1262 states have call predecessors, (1530), 1274 states have call successors, (1530) [2021-11-23 02:24:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9372 transitions. [2021-11-23 02:24:51,319 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 9372 transitions. Word has length 171 [2021-11-23 02:24:51,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:51,321 INFO L470 AbstractCegarLoop]: Abstraction has 6569 states and 9372 transitions. [2021-11-23 02:24:51,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-23 02:24:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 9372 transitions. [2021-11-23 02:24:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 02:24:51,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:51,330 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 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] [2021-11-23 02:24:51,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:24:51,331 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:51,332 INFO L85 PathProgramCache]: Analyzing trace with hash -41922266, now seen corresponding path program 1 times [2021-11-23 02:24:51,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:51,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205128662] [2021-11-23 02:24:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:51,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-11-23 02:24:51,607 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:51,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205128662] [2021-11-23 02:24:51,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205128662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:51,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:51,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:24:51,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367210762] [2021-11-23 02:24:51,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:51,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:24:51,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:51,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:24:51,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:24:51,609 INFO L87 Difference]: Start difference. First operand 6569 states and 9372 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 02:24:53,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:54,471 INFO L93 Difference]: Finished difference Result 9625 states and 13817 transitions. [2021-11-23 02:24:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:24:54,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 186 [2021-11-23 02:24:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:54,515 INFO L225 Difference]: With dead ends: 9625 [2021-11-23 02:24:54,515 INFO L226 Difference]: Without dead ends: 9615 [2021-11-23 02:24:54,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:24:54,523 INFO L933 BasicCegarLoop]: 590 mSDtfsCounter, 562 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 106 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:54,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [563 Valid, 893 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:24:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9615 states. [2021-11-23 02:24:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9615 to 6531. [2021-11-23 02:24:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 4622 states have (on average 1.4099956728688878) internal successors, (6517), 4658 states have internal predecessors, (6517), 1269 states have call successors, (1269), 616 states have call predecessors, (1269), 639 states have return successors, (1468), 1256 states have call predecessors, (1468), 1268 states have call successors, (1468) [2021-11-23 02:24:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9254 transitions. [2021-11-23 02:24:54,916 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9254 transitions. Word has length 186 [2021-11-23 02:24:54,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:54,917 INFO L470 AbstractCegarLoop]: Abstraction has 6531 states and 9254 transitions. [2021-11-23 02:24:54,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 02:24:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9254 transitions. [2021-11-23 02:24:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 02:24:54,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:24:54,930 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2021-11-23 02:24:54,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 02:24:54,930 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:24:54,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:24:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1619597657, now seen corresponding path program 1 times [2021-11-23 02:24:54,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:24:54,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990881497] [2021-11-23 02:24:54,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:24:54,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:24:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:24:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-23 02:24:55,181 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:24:55,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990881497] [2021-11-23 02:24:55,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990881497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:24:55,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:24:55,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:24:55,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307421265] [2021-11-23 02:24:55,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:24:55,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:24:55,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:24:55,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:24:55,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:24:55,185 INFO L87 Difference]: Start difference. First operand 6531 states and 9254 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 02:24:57,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:24:57,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:24:57,679 INFO L93 Difference]: Finished difference Result 6585 states and 9358 transitions. [2021-11-23 02:24:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:24:57,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 202 [2021-11-23 02:24:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:24:57,680 INFO L225 Difference]: With dead ends: 6585 [2021-11-23 02:24:57,681 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:24:57,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:24:57,708 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 128 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:24:57,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 693 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:24:57,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:24:57,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:24:57,710 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 02:24:57,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:24:57,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2021-11-23 02:24:57,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:24:57,712 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:24:57,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 02:24:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:24:57,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:24:57,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:24:57,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 02:24:57,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:25:04,595 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 9139 9141) no Hoare annotation was computed. [2021-11-23 02:25:04,596 INFO L861 garLoopResultBuilder]: At program point kfreeENTRY(lines 9139 9141) the Hoare annotation is: true [2021-11-23 02:25:04,596 INFO L854 garLoopResultBuilder]: At program point L8219-1(line 8219) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,596 INFO L854 garLoopResultBuilder]: At program point L8219(line 8219) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= 2 ~ldv_mutex_usb_mutex_of_dvb_usb_device~0) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (<= 0 |opera1_i2c_xfer_opera1_usb_i2c_msgxfer_~tmp~8#1|))) [2021-11-23 02:25:04,597 INFO L854 garLoopResultBuilder]: At program point L7311(lines 7268 7313) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,597 INFO L858 garLoopResultBuilder]: For program point L8905(lines 8905 8908) no Hoare annotation was computed. [2021-11-23 02:25:04,597 INFO L854 garLoopResultBuilder]: At program point L8905-1(lines 8905 8908) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,597 INFO L854 garLoopResultBuilder]: At program point L8220(lines 8216 8223) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,597 INFO L854 garLoopResultBuilder]: At program point L8906(line 8906) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,598 INFO L854 garLoopResultBuilder]: At program point L7354(lines 7321 7357) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,598 INFO L858 garLoopResultBuilder]: For program point opera1_i2c_xferFINAL(lines 7314 7358) no Hoare annotation was computed. [2021-11-23 02:25:04,598 INFO L854 garLoopResultBuilder]: At program point L8230(line 8230) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,598 INFO L854 garLoopResultBuilder]: At program point L8329-1(lines 8329 8332) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,598 INFO L858 garLoopResultBuilder]: For program point L8329(lines 8329 8332) no Hoare annotation was computed. [2021-11-23 02:25:04,598 INFO L858 garLoopResultBuilder]: For program point L8230-1(line 8230) no Hoare annotation was computed. [2021-11-23 02:25:04,599 INFO L854 garLoopResultBuilder]: At program point opera1_i2c_xferENTRY(lines 7314 7358) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,599 INFO L854 garLoopResultBuilder]: At program point L8330(line 8330) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,599 INFO L858 garLoopResultBuilder]: For program point opera1_i2c_xferEXIT(lines 7314 7358) no Hoare annotation was computed. [2021-11-23 02:25:04,599 INFO L858 garLoopResultBuilder]: For program point L7331(lines 7331 7334) no Hoare annotation was computed. [2021-11-23 02:25:04,599 INFO L854 garLoopResultBuilder]: At program point L8909(line 8909) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,600 INFO L854 garLoopResultBuilder]: At program point L8240-1(line 8240) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1)) (and (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1))) [2021-11-23 02:25:04,600 INFO L854 garLoopResultBuilder]: At program point L8240(line 8240) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,600 INFO L858 garLoopResultBuilder]: For program point L7340(lines 7340 7343) no Hoare annotation was computed. [2021-11-23 02:25:04,600 INFO L854 garLoopResultBuilder]: At program point L7283(lines 7283 7286) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (or (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (<= 0 |opera1_i2c_xfer_opera1_usb_i2c_msgxfer_~tmp~8#1|)) (or (= 2 ~ldv_mutex_usb_mutex_of_dvb_usb_device~0) (<= (+ |opera1_i2c_xfer_opera1_usb_i2c_msgxfer_~tmp~8#1| 4) 0)) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,600 INFO L854 garLoopResultBuilder]: At program point L7349(lines 7321 7357) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,601 INFO L854 garLoopResultBuilder]: At program point L8241(lines 8237 8244) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1)) (and (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1))) [2021-11-23 02:25:04,601 INFO L858 garLoopResultBuilder]: For program point L8209-1(line 8209) no Hoare annotation was computed. [2021-11-23 02:25:04,601 INFO L854 garLoopResultBuilder]: At program point L8209(line 8209) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,601 INFO L858 garLoopResultBuilder]: For program point L7309-3(line 7309) no Hoare annotation was computed. [2021-11-23 02:25:04,601 INFO L854 garLoopResultBuilder]: At program point L7309-2(line 7309) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1)) (and (<= 0 |opera1_i2c_xfer_~tmp___1~1#1|) (= 2 ~ldv_mutex_usb_mutex_of_dvb_usb_device~0) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (<= 0 |opera1_i2c_xfer_opera1_usb_i2c_msgxfer_~tmp~8#1|))) [2021-11-23 02:25:04,602 INFO L854 garLoopResultBuilder]: At program point L8333(line 8333) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,602 INFO L858 garLoopResultBuilder]: For program point L7326(lines 7326 7329) no Hoare annotation was computed. [2021-11-23 02:25:04,602 INFO L858 garLoopResultBuilder]: For program point L7277(lines 7277 7281) no Hoare annotation was computed. [2021-11-23 02:25:04,602 INFO L861 garLoopResultBuilder]: At program point ldv_undef_intENTRY(lines 7068 7075) the Hoare annotation is: true [2021-11-23 02:25:04,602 INFO L858 garLoopResultBuilder]: For program point ldv_undef_intEXIT(lines 7068 7075) no Hoare annotation was computed. [2021-11-23 02:25:04,602 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 9113 9115) the Hoare annotation is: true [2021-11-23 02:25:04,602 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 9113 9115) no Hoare annotation was computed. [2021-11-23 02:25:04,603 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 8267 8273) the Hoare annotation is: true [2021-11-23 02:25:04,603 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8271) no Hoare annotation was computed. [2021-11-23 02:25:04,603 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 8267 8273) no Hoare annotation was computed. [2021-11-23 02:25:04,603 INFO L861 garLoopResultBuilder]: At program point opera1_power_ctrlENTRY(lines 7513 7526) the Hoare annotation is: true [2021-11-23 02:25:04,603 INFO L858 garLoopResultBuilder]: For program point opera1_power_ctrlEXIT(lines 7513 7526) no Hoare annotation was computed. [2021-11-23 02:25:04,603 INFO L858 garLoopResultBuilder]: For program point L7523-1(line 7523) no Hoare annotation was computed. [2021-11-23 02:25:04,604 INFO L861 garLoopResultBuilder]: At program point L7523(line 7523) the Hoare annotation is: true [2021-11-23 02:25:04,604 INFO L861 garLoopResultBuilder]: At program point kmallocENTRY(lines 7116 7123) the Hoare annotation is: true [2021-11-23 02:25:04,604 INFO L861 garLoopResultBuilder]: At program point L7113-1(line 7113) the Hoare annotation is: true [2021-11-23 02:25:04,604 INFO L861 garLoopResultBuilder]: At program point L7113(line 7113) the Hoare annotation is: true [2021-11-23 02:25:04,604 INFO L858 garLoopResultBuilder]: For program point kmallocEXIT(lines 7116 7123) no Hoare annotation was computed. [2021-11-23 02:25:04,604 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,605 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memmoveENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,605 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,605 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memmoveEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:25:04,605 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 7084 7090) no Hoare annotation was computed. [2021-11-23 02:25:04,605 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 7084 7090) the Hoare annotation is: true [2021-11-23 02:25:04,605 INFO L858 garLoopResultBuilder]: For program point L7232-1(line 7232) no Hoare annotation was computed. [2021-11-23 02:25:04,605 INFO L861 garLoopResultBuilder]: At program point L7232(line 7232) the Hoare annotation is: true [2021-11-23 02:25:04,606 INFO L858 garLoopResultBuilder]: For program point L7224-1(line 7224) no Hoare annotation was computed. [2021-11-23 02:25:04,606 INFO L861 garLoopResultBuilder]: At program point L7224(line 7224) the Hoare annotation is: true [2021-11-23 02:25:04,606 INFO L858 garLoopResultBuilder]: For program point L7245-2(lines 7222 7266) no Hoare annotation was computed. [2021-11-23 02:25:04,606 INFO L858 garLoopResultBuilder]: For program point L7245(lines 7245 7257) no Hoare annotation was computed. [2021-11-23 02:25:04,606 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,606 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,607 INFO L858 garLoopResultBuilder]: For program point L7250-2(lines 7250 7254) no Hoare annotation was computed. [2021-11-23 02:25:04,607 INFO L858 garLoopResultBuilder]: For program point L7238(lines 7238 7242) no Hoare annotation was computed. [2021-11-23 02:25:04,607 INFO L858 garLoopResultBuilder]: For program point L7234(lines 7234 7237) no Hoare annotation was computed. [2021-11-23 02:25:04,607 INFO L861 garLoopResultBuilder]: At program point L7238-2(lines 7238 7242) the Hoare annotation is: true [2021-11-23 02:25:04,607 INFO L861 garLoopResultBuilder]: At program point L7263(lines 7222 7266) the Hoare annotation is: true [2021-11-23 02:25:04,607 INFO L858 garLoopResultBuilder]: For program point L7259-1(line 7259) no Hoare annotation was computed. [2021-11-23 02:25:04,607 INFO L861 garLoopResultBuilder]: At program point L7259(line 7259) the Hoare annotation is: true [2021-11-23 02:25:04,608 INFO L858 garLoopResultBuilder]: For program point opera1_xilinx_rwEXIT(lines 7208 7267) no Hoare annotation was computed. [2021-11-23 02:25:04,608 INFO L858 garLoopResultBuilder]: For program point L7247-1(line 7247) no Hoare annotation was computed. [2021-11-23 02:25:04,608 INFO L861 garLoopResultBuilder]: At program point L7247(line 7247) the Hoare annotation is: true [2021-11-23 02:25:04,608 INFO L858 garLoopResultBuilder]: For program point L7243(lines 7243 7244) no Hoare annotation was computed. [2021-11-23 02:25:04,608 INFO L861 garLoopResultBuilder]: At program point L7239-1(line 7239) the Hoare annotation is: true [2021-11-23 02:25:04,608 INFO L861 garLoopResultBuilder]: At program point L7239(line 7239) the Hoare annotation is: true [2021-11-23 02:25:04,609 INFO L858 garLoopResultBuilder]: For program point L7264(line 7264) no Hoare annotation was computed. [2021-11-23 02:25:04,609 INFO L861 garLoopResultBuilder]: At program point opera1_xilinx_rwENTRY(lines 7208 7267) the Hoare annotation is: true [2021-11-23 02:25:04,609 INFO L858 garLoopResultBuilder]: For program point L7227-1(line 7227) no Hoare annotation was computed. [2021-11-23 02:25:04,609 INFO L861 garLoopResultBuilder]: At program point L7227(line 7227) the Hoare annotation is: true [2021-11-23 02:25:04,609 INFO L858 garLoopResultBuilder]: For program point L7223(lines 7223 7229) no Hoare annotation was computed. [2021-11-23 02:25:04,609 INFO L858 garLoopResultBuilder]: For program point L7223-2(lines 7223 7229) no Hoare annotation was computed. [2021-11-23 02:25:04,609 INFO L858 garLoopResultBuilder]: For program point L7248-1(lines 7248 7249) no Hoare annotation was computed. [2021-11-23 02:25:04,610 INFO L861 garLoopResultBuilder]: At program point L7248(lines 7248 7249) the Hoare annotation is: true [2021-11-23 02:25:04,610 INFO L858 garLoopResultBuilder]: For program point L7240(line 7240) no Hoare annotation was computed. [2021-11-23 02:25:04,610 INFO L858 garLoopResultBuilder]: For program point opera1_xilinx_rwFINAL(lines 7208 7267) no Hoare annotation was computed. [2021-11-23 02:25:04,610 INFO L861 garLoopResultBuilder]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,610 INFO L858 garLoopResultBuilder]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:25:04,610 INFO L861 garLoopResultBuilder]: At program point i2c_transferENTRY(lines 9088 9090) the Hoare annotation is: true [2021-11-23 02:25:04,611 INFO L858 garLoopResultBuilder]: For program point i2c_transferEXIT(lines 9088 9090) no Hoare annotation was computed. [2021-11-23 02:25:04,611 INFO L858 garLoopResultBuilder]: For program point usb_control_msgEXIT(lines 9128 9130) no Hoare annotation was computed. [2021-11-23 02:25:04,611 INFO L861 garLoopResultBuilder]: At program point usb_control_msgENTRY(lines 9128 9130) the Hoare annotation is: true [2021-11-23 02:25:04,611 INFO L861 garLoopResultBuilder]: At program point L7054(line 7054) the Hoare annotation is: true [2021-11-23 02:25:04,611 INFO L858 garLoopResultBuilder]: For program point L7056-1(line 7056) no Hoare annotation was computed. [2021-11-23 02:25:04,611 INFO L861 garLoopResultBuilder]: At program point L7056(line 7056) the Hoare annotation is: true [2021-11-23 02:25:04,611 INFO L858 garLoopResultBuilder]: For program point ldv_init_zallocEXIT(lines 7049 7059) no Hoare annotation was computed. [2021-11-23 02:25:04,612 INFO L858 garLoopResultBuilder]: For program point L7054-1(line 7054) no Hoare annotation was computed. [2021-11-23 02:25:04,612 INFO L861 garLoopResultBuilder]: At program point ldv_init_zallocENTRY(lines 7049 7059) the Hoare annotation is: true [2021-11-23 02:25:04,612 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 7012 7014) the Hoare annotation is: true [2021-11-23 02:25:04,612 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7012 7014) no Hoare annotation was computed. [2021-11-23 02:25:04,612 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 7159 7164) the Hoare annotation is: true [2021-11-23 02:25:04,612 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 7159 7164) no Hoare annotation was computed. [2021-11-23 02:25:04,613 INFO L854 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,613 INFO L854 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,613 INFO L858 garLoopResultBuilder]: For program point L7196-2(lines 7196 7200) no Hoare annotation was computed. [2021-11-23 02:25:04,613 INFO L858 garLoopResultBuilder]: For program point L7196(lines 7196 7200) no Hoare annotation was computed. [2021-11-23 02:25:04,613 INFO L854 garLoopResultBuilder]: At program point stv0299_writeregENTRY(lines 7188 7203) the Hoare annotation is: (or (and (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)| 1)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 1))) [2021-11-23 02:25:04,614 INFO L858 garLoopResultBuilder]: For program point stv0299_writeregEXIT(lines 7188 7203) no Hoare annotation was computed. [2021-11-23 02:25:04,614 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_usb_mutex_of_dvb_usb_deviceEXIT(lines 8996 9006) no Hoare annotation was computed. [2021-11-23 02:25:04,614 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_unlock_usb_mutex_of_dvb_usb_deviceENTRY(lines 8996 9006) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (= 2 ~ldv_mutex_usb_mutex_of_dvb_usb_device~0) (not (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 2))) [2021-11-23 02:25:04,614 INFO L854 garLoopResultBuilder]: At program point L9000(line 9000) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)) (not (= |old(~ldv_mutex_usb_mutex_of_dvb_usb_device~0)| 2))) [2021-11-23 02:25:04,614 INFO L858 garLoopResultBuilder]: For program point L8999(lines 8999 9002) no Hoare annotation was computed. [2021-11-23 02:25:04,614 INFO L858 garLoopResultBuilder]: For program point L8999-1(lines 8999 9002) no Hoare annotation was computed. [2021-11-23 02:25:04,615 INFO L858 garLoopResultBuilder]: For program point L7022(lines 7022 7029) no Hoare annotation was computed. [2021-11-23 02:25:04,615 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 7015 7031) the Hoare annotation is: true [2021-11-23 02:25:04,615 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 7015 7031) no Hoare annotation was computed. [2021-11-23 02:25:04,615 INFO L858 garLoopResultBuilder]: For program point L7027-1(line 7027) no Hoare annotation was computed. [2021-11-23 02:25:04,615 INFO L861 garLoopResultBuilder]: At program point L7027(line 7027) the Hoare annotation is: true [2021-11-23 02:25:04,615 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 7015 7031) no Hoare annotation was computed. [2021-11-23 02:25:04,616 INFO L858 garLoopResultBuilder]: For program point memcpy_guardEXIT(lines 14 19) no Hoare annotation was computed. [2021-11-23 02:25:04,616 INFO L861 garLoopResultBuilder]: At program point memcpy_guardENTRY(lines 14 19) the Hoare annotation is: true [2021-11-23 02:25:04,616 INFO L858 garLoopResultBuilder]: For program point opera1_rc_queryFINAL(lines 7627 7723) no Hoare annotation was computed. [2021-11-23 02:25:04,616 INFO L861 garLoopResultBuilder]: At program point L7649-1(lines 7649 7720) the Hoare annotation is: true [2021-11-23 02:25:04,616 INFO L858 garLoopResultBuilder]: For program point L7649(lines 7649 7720) no Hoare annotation was computed. [2021-11-23 02:25:04,616 INFO L861 garLoopResultBuilder]: At program point opera1_rc_queryENTRY(lines 7627 7723) the Hoare annotation is: true [2021-11-23 02:25:04,616 INFO L858 garLoopResultBuilder]: For program point L7703(lines 7703 7709) no Hoare annotation was computed. [2021-11-23 02:25:04,617 INFO L861 garLoopResultBuilder]: At program point L7662(lines 7649 7718) the Hoare annotation is: true [2021-11-23 02:25:04,617 INFO L861 garLoopResultBuilder]: At program point L7712(lines 7649 7718) the Hoare annotation is: true [2021-11-23 02:25:04,617 INFO L858 garLoopResultBuilder]: For program point opera1_rc_queryEXIT(lines 7627 7723) no Hoare annotation was computed. [2021-11-23 02:25:04,617 INFO L858 garLoopResultBuilder]: For program point L7671-2(lines 7671 7676) no Hoare annotation was computed. [2021-11-23 02:25:04,617 INFO L861 garLoopResultBuilder]: At program point L7688(lines 7649 7718) the Hoare annotation is: true [2021-11-23 02:25:04,617 INFO L861 garLoopResultBuilder]: At program point L7693(lines 7649 7718) the Hoare annotation is: true [2021-11-23 02:25:04,618 INFO L858 garLoopResultBuilder]: For program point L7648-1(line 7648) no Hoare annotation was computed. [2021-11-23 02:25:04,618 INFO L861 garLoopResultBuilder]: At program point L7648(line 7648) the Hoare annotation is: true [2021-11-23 02:25:04,618 INFO L861 garLoopResultBuilder]: At program point L7690(lines 7649 7718) the Hoare annotation is: true [2021-11-23 02:25:04,618 INFO L858 garLoopResultBuilder]: For program point L7682(lines 7682 7687) no Hoare annotation was computed. [2021-11-23 02:25:04,618 INFO L861 garLoopResultBuilder]: At program point mutex_lock_interruptibleENTRY(lines 9106 9108) the Hoare annotation is: true [2021-11-23 02:25:04,618 INFO L858 garLoopResultBuilder]: For program point mutex_lock_interruptibleEXIT(lines 9106 9108) no Hoare annotation was computed. [2021-11-23 02:25:04,619 INFO L858 garLoopResultBuilder]: For program point L7963(lines 7963 7985) no Hoare annotation was computed. [2021-11-23 02:25:04,619 INFO L858 garLoopResultBuilder]: For program point L8029(line 8029) no Hoare annotation was computed. [2021-11-23 02:25:04,619 INFO L854 garLoopResultBuilder]: At program point L7897-1(line 7897) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,619 INFO L854 garLoopResultBuilder]: At program point L7897(line 7897) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,619 INFO L854 garLoopResultBuilder]: At program point L8030(lines 8030 8047) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,619 INFO L854 garLoopResultBuilder]: At program point L7766(line 7766) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,620 INFO L858 garLoopResultBuilder]: For program point L7766-1(line 7766) no Hoare annotation was computed. [2021-11-23 02:25:04,620 INFO L858 garLoopResultBuilder]: For program point L8097(line 8097) no Hoare annotation was computed. [2021-11-23 02:25:04,620 INFO L858 garLoopResultBuilder]: For program point L9055(lines 9046 9068) no Hoare annotation was computed. [2021-11-23 02:25:04,620 INFO L858 garLoopResultBuilder]: For program point L7965(lines 7965 7982) no Hoare annotation was computed. [2021-11-23 02:25:04,620 INFO L858 garLoopResultBuilder]: For program point L8098(lines 8098 8102) no Hoare annotation was computed. [2021-11-23 02:25:04,620 INFO L858 garLoopResultBuilder]: For program point L7966(line 7966) no Hoare annotation was computed. [2021-11-23 02:25:04,621 INFO L858 garLoopResultBuilder]: For program point L8032-2(lines 8030 8046) no Hoare annotation was computed. [2021-11-23 02:25:04,621 INFO L858 garLoopResultBuilder]: For program point L8032(lines 8032 8040) no Hoare annotation was computed. [2021-11-23 02:25:04,621 INFO L858 garLoopResultBuilder]: For program point L8098-2(lines 8077 8127) no Hoare annotation was computed. [2021-11-23 02:25:04,621 INFO L854 garLoopResultBuilder]: At program point L9056(line 9056) the Hoare annotation is: false [2021-11-23 02:25:04,621 INFO L858 garLoopResultBuilder]: For program point L7768-1(line 7768) no Hoare annotation was computed. [2021-11-23 02:25:04,621 INFO L854 garLoopResultBuilder]: At program point L7768(line 7768) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,621 INFO L858 garLoopResultBuilder]: For program point L7801-1(line 7801) no Hoare annotation was computed. [2021-11-23 02:25:04,622 INFO L854 garLoopResultBuilder]: At program point L7801(line 7801) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,622 INFO L858 garLoopResultBuilder]: For program point L8099-1(line 8099) no Hoare annotation was computed. [2021-11-23 02:25:04,622 INFO L854 garLoopResultBuilder]: At program point L8099(line 8099) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,622 INFO L858 garLoopResultBuilder]: For program point L8132(line 8132) no Hoare annotation was computed. [2021-11-23 02:25:04,622 INFO L858 garLoopResultBuilder]: For program point L7967(lines 7967 7971) no Hoare annotation was computed. [2021-11-23 02:25:04,623 INFO L854 garLoopResultBuilder]: At program point L7769-3(lines 7769 7809) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,623 INFO L858 garLoopResultBuilder]: For program point L7769-2(lines 7769 7809) no Hoare annotation was computed. [2021-11-23 02:25:04,623 INFO L858 garLoopResultBuilder]: For program point L7736-1(line 7736) no Hoare annotation was computed. [2021-11-23 02:25:04,623 INFO L854 garLoopResultBuilder]: At program point L7736(line 7736) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,623 INFO L858 garLoopResultBuilder]: For program point L8067(line 8067) no Hoare annotation was computed. [2021-11-23 02:25:04,623 INFO L861 garLoopResultBuilder]: At program point L8133(line 8133) the Hoare annotation is: true [2021-11-23 02:25:04,623 INFO L858 garLoopResultBuilder]: For program point L7968-1(line 7968) no Hoare annotation was computed. [2021-11-23 02:25:04,624 INFO L854 garLoopResultBuilder]: At program point L7968(line 7968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,624 INFO L854 garLoopResultBuilder]: At program point L7737-1(line 7737) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,624 INFO L854 garLoopResultBuilder]: At program point L7737(line 7737) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,624 INFO L858 garLoopResultBuilder]: For program point L9059(lines 9046 9068) no Hoare annotation was computed. [2021-11-23 02:25:04,624 INFO L854 garLoopResultBuilder]: At program point L8002(line 8002) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,625 INFO L861 garLoopResultBuilder]: At program point L8068(line 8068) the Hoare annotation is: true [2021-11-23 02:25:04,625 INFO L858 garLoopResultBuilder]: For program point L7936-1(line 7936) no Hoare annotation was computed. [2021-11-23 02:25:04,625 INFO L854 garLoopResultBuilder]: At program point L7936(line 7936) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,625 INFO L854 garLoopResultBuilder]: At program point L8135(lines 7935 8140) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,625 INFO L854 garLoopResultBuilder]: At program point L9060(line 9060) the Hoare annotation is: false [2021-11-23 02:25:04,625 INFO L858 garLoopResultBuilder]: For program point L7772-1(line 7772) no Hoare annotation was computed. [2021-11-23 02:25:04,626 INFO L854 garLoopResultBuilder]: At program point L7772(line 7772) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,626 INFO L854 garLoopResultBuilder]: At program point L7938(line 7938) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,626 INFO L858 garLoopResultBuilder]: For program point L7938-1(line 7938) no Hoare annotation was computed. [2021-11-23 02:25:04,626 INFO L858 garLoopResultBuilder]: For program point L7773-1(line 7773) no Hoare annotation was computed. [2021-11-23 02:25:04,626 INFO L854 garLoopResultBuilder]: At program point L7773(line 7773) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,626 INFO L858 garLoopResultBuilder]: For program point L8104-1(line 8104) no Hoare annotation was computed. [2021-11-23 02:25:04,627 INFO L854 garLoopResultBuilder]: At program point L8104(line 8104) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,627 INFO L854 garLoopResultBuilder]: At program point L7906(line 7906) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,627 INFO L854 garLoopResultBuilder]: At program point L7840-2(lines 7840 7847) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,627 INFO L854 garLoopResultBuilder]: At program point L7774(line 7774) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,627 INFO L854 garLoopResultBuilder]: At program point L7906-1(line 7906) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,628 INFO L854 garLoopResultBuilder]: At program point L7840-4(lines 7840 7847) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,628 INFO L858 garLoopResultBuilder]: For program point L7774-1(line 7774) no Hoare annotation was computed. [2021-11-23 02:25:04,628 INFO L858 garLoopResultBuilder]: For program point L7940-1(line 7940) no Hoare annotation was computed. [2021-11-23 02:25:04,628 INFO L854 garLoopResultBuilder]: At program point L7940(line 7940) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,628 INFO L861 garLoopResultBuilder]: At program point L9063(lines 9044 9069) the Hoare annotation is: true [2021-11-23 02:25:04,628 INFO L854 garLoopResultBuilder]: At program point L7973(line 7973) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,629 INFO L858 garLoopResultBuilder]: For program point L7842(lines 7842 7845) no Hoare annotation was computed. [2021-11-23 02:25:04,629 INFO L854 garLoopResultBuilder]: At program point L9064(line 9064) the Hoare annotation is: false [2021-11-23 02:25:04,629 INFO L858 garLoopResultBuilder]: For program point L8074(line 8074) no Hoare annotation was computed. [2021-11-23 02:25:04,629 INFO L854 garLoopResultBuilder]: At program point L7942(line 7942) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,629 INFO L858 garLoopResultBuilder]: For program point L7942-1(line 7942) no Hoare annotation was computed. [2021-11-23 02:25:04,629 INFO L858 garLoopResultBuilder]: For program point L8075(lines 8075 8130) no Hoare annotation was computed. [2021-11-23 02:25:04,630 INFO L854 garLoopResultBuilder]: At program point L7811(line 7811) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,630 INFO L858 garLoopResultBuilder]: For program point L8010(line 8010) no Hoare annotation was computed. [2021-11-23 02:25:04,630 INFO L854 garLoopResultBuilder]: At program point L8043(lines 7935 8140) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,630 INFO L854 garLoopResultBuilder]: At program point L8109(line 8109) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,630 INFO L858 garLoopResultBuilder]: For program point L7944-1(line 7944) no Hoare annotation was computed. [2021-11-23 02:25:04,630 INFO L854 garLoopResultBuilder]: At program point L7944(line 7944) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,631 INFO L861 garLoopResultBuilder]: At program point L8011(line 8011) the Hoare annotation is: true [2021-11-23 02:25:04,631 INFO L858 garLoopResultBuilder]: For program point L8077(lines 8077 8127) no Hoare annotation was computed. [2021-11-23 02:25:04,631 INFO L854 garLoopResultBuilder]: At program point L7813(lines 7741 7815) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,631 INFO L858 garLoopResultBuilder]: For program point L8078(line 8078) no Hoare annotation was computed. [2021-11-23 02:25:04,631 INFO L854 garLoopResultBuilder]: At program point L7946(line 7946) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,631 INFO L854 garLoopResultBuilder]: At program point L7946-1(line 7946) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,632 INFO L858 garLoopResultBuilder]: For program point L8079(lines 8079 8083) no Hoare annotation was computed. [2021-11-23 02:25:04,632 INFO L858 garLoopResultBuilder]: For program point L7980(line 7980) no Hoare annotation was computed. [2021-11-23 02:25:04,632 INFO L858 garLoopResultBuilder]: For program point L8079-2(lines 8077 8127) no Hoare annotation was computed. [2021-11-23 02:25:04,632 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 02:25:04,632 INFO L858 garLoopResultBuilder]: For program point L8080-1(line 8080) no Hoare annotation was computed. [2021-11-23 02:25:04,632 INFO L854 garLoopResultBuilder]: At program point L8080(line 8080) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,633 INFO L861 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: true [2021-11-23 02:25:04,633 INFO L858 garLoopResultBuilder]: For program point L7783-1(line 7783) no Hoare annotation was computed. [2021-11-23 02:25:04,633 INFO L854 garLoopResultBuilder]: At program point L7783(line 7783) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,633 INFO L858 garLoopResultBuilder]: For program point L7949-1(line 7949) no Hoare annotation was computed. [2021-11-23 02:25:04,633 INFO L854 garLoopResultBuilder]: At program point L7949(line 7949) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,633 INFO L858 garLoopResultBuilder]: For program point L7784(lines 7784 7789) no Hoare annotation was computed. [2021-11-23 02:25:04,634 INFO L854 garLoopResultBuilder]: At program point L7950(line 7950) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,634 INFO L858 garLoopResultBuilder]: For program point L8049(line 8049) no Hoare annotation was computed. [2021-11-23 02:25:04,634 INFO L858 garLoopResultBuilder]: For program point L7950-1(line 7950) no Hoare annotation was computed. [2021-11-23 02:25:04,634 INFO L861 garLoopResultBuilder]: At program point L8050(line 8050) the Hoare annotation is: true [2021-11-23 02:25:04,634 INFO L858 garLoopResultBuilder]: For program point L7951-1(line 7951) no Hoare annotation was computed. [2021-11-23 02:25:04,634 INFO L854 garLoopResultBuilder]: At program point L7951(line 7951) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,635 INFO L858 garLoopResultBuilder]: For program point L8017(line 8017) no Hoare annotation was computed. [2021-11-23 02:25:04,635 INFO L858 garLoopResultBuilder]: For program point L8018(lines 8018 8054) no Hoare annotation was computed. [2021-11-23 02:25:04,635 INFO L854 garLoopResultBuilder]: At program point L8117(line 8117) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,635 INFO L858 garLoopResultBuilder]: For program point L7952-1(line 7952) no Hoare annotation was computed. [2021-11-23 02:25:04,635 INFO L854 garLoopResultBuilder]: At program point L7952(line 7952) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,635 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:25:04,636 INFO L858 garLoopResultBuilder]: For program point L8085-1(line 8085) no Hoare annotation was computed. [2021-11-23 02:25:04,636 INFO L854 garLoopResultBuilder]: At program point L8085(line 8085) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,636 INFO L854 garLoopResultBuilder]: At program point L7854(lines 7831 7856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,636 INFO L858 garLoopResultBuilder]: For program point L7392-1(line 7392) no Hoare annotation was computed. [2021-11-23 02:25:04,636 INFO L854 garLoopResultBuilder]: At program point L7392(line 7392) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,636 INFO L858 garLoopResultBuilder]: For program point L7987(line 7987) no Hoare annotation was computed. [2021-11-23 02:25:04,637 INFO L858 garLoopResultBuilder]: For program point L8020(lines 8020 8051) no Hoare annotation was computed. [2021-11-23 02:25:04,637 INFO L854 garLoopResultBuilder]: At program point L7888-1(line 7888) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,637 INFO L854 garLoopResultBuilder]: At program point L7888(line 7888) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,637 INFO L858 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2021-11-23 02:25:04,637 INFO L854 garLoopResultBuilder]: At program point L7393(line 7393) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,637 INFO L858 garLoopResultBuilder]: For program point L7988(lines 7988 8015) no Hoare annotation was computed. [2021-11-23 02:25:04,638 INFO L858 garLoopResultBuilder]: For program point L8021(line 8021) no Hoare annotation was computed. [2021-11-23 02:25:04,638 INFO L854 garLoopResultBuilder]: At program point L7394(line 7394) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,638 INFO L858 garLoopResultBuilder]: For program point L7394-1(line 7394) no Hoare annotation was computed. [2021-11-23 02:25:04,638 INFO L854 garLoopResultBuilder]: At program point L8022(lines 8022 8027) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,638 INFO L854 garLoopResultBuilder]: At program point L7791(lines 7769 7808) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,638 INFO L858 garLoopResultBuilder]: For program point L7395-1(line 7395) no Hoare annotation was computed. [2021-11-23 02:25:04,639 INFO L854 garLoopResultBuilder]: At program point L7395(line 7395) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,639 INFO L858 garLoopResultBuilder]: For program point L7990(lines 7990 8012) no Hoare annotation was computed. [2021-11-23 02:25:04,639 INFO L858 garLoopResultBuilder]: For program point L8056(line 8056) no Hoare annotation was computed. [2021-11-23 02:25:04,639 INFO L858 garLoopResultBuilder]: For program point L9047(lines 9047 9050) no Hoare annotation was computed. [2021-11-23 02:25:04,639 INFO L858 garLoopResultBuilder]: For program point L9047-1(lines 9046 9068) no Hoare annotation was computed. [2021-11-23 02:25:04,639 INFO L854 garLoopResultBuilder]: At program point L7792(lines 7792 7795) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,640 INFO L854 garLoopResultBuilder]: At program point L7396-1(line 7396) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,640 INFO L854 garLoopResultBuilder]: At program point L7396(line 7396) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,640 INFO L858 garLoopResultBuilder]: For program point L8090(line 8090) no Hoare annotation was computed. [2021-11-23 02:25:04,640 INFO L858 garLoopResultBuilder]: For program point L7991(line 7991) no Hoare annotation was computed. [2021-11-23 02:25:04,640 INFO L858 garLoopResultBuilder]: For program point L8057(lines 8057 8072) no Hoare annotation was computed. [2021-11-23 02:25:04,640 INFO L854 garLoopResultBuilder]: At program point L9048(line 9048) the Hoare annotation is: false [2021-11-23 02:25:04,641 INFO L858 garLoopResultBuilder]: For program point L8091(lines 8091 8095) no Hoare annotation was computed. [2021-11-23 02:25:04,641 INFO L854 garLoopResultBuilder]: At program point L7992(lines 7992 8000) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,641 INFO L858 garLoopResultBuilder]: For program point L7761(lines 7761 7810) no Hoare annotation was computed. [2021-11-23 02:25:04,641 INFO L858 garLoopResultBuilder]: For program point L8059(lines 8059 8069) no Hoare annotation was computed. [2021-11-23 02:25:04,641 INFO L858 garLoopResultBuilder]: For program point L8125(line 8125) no Hoare annotation was computed. [2021-11-23 02:25:04,641 INFO L861 garLoopResultBuilder]: At program point L8126(line 8126) the Hoare annotation is: true [2021-11-23 02:25:04,641 INFO L858 garLoopResultBuilder]: For program point L9051(lines 9046 9068) no Hoare annotation was computed. [2021-11-23 02:25:04,642 INFO L858 garLoopResultBuilder]: For program point L8060(line 8060) no Hoare annotation was computed. [2021-11-23 02:25:04,642 INFO L858 garLoopResultBuilder]: For program point L7961(lines 7961 8134) no Hoare annotation was computed. [2021-11-23 02:25:04,642 INFO L854 garLoopResultBuilder]: At program point L7796(lines 7769 7808) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1)) [2021-11-23 02:25:04,642 INFO L854 garLoopResultBuilder]: At program point L9052(line 9052) the Hoare annotation is: false [2021-11-23 02:25:04,642 INFO L858 garLoopResultBuilder]: For program point L7962(line 7962) no Hoare annotation was computed. [2021-11-23 02:25:04,642 INFO L858 garLoopResultBuilder]: For program point L8061(lines 8061 8065) no Hoare annotation was computed. [2021-11-23 02:25:04,643 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-23 02:25:04,643 INFO L861 garLoopResultBuilder]: At program point ldv_memsetENTRY(lines 7060 7067) the Hoare annotation is: true [2021-11-23 02:25:04,643 INFO L858 garLoopResultBuilder]: For program point ldv_memsetEXIT(lines 7060 7067) no Hoare annotation was computed. [2021-11-23 02:25:04,643 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_i2c_mutex_of_dvb_usb_deviceEXIT(lines 8420 8430) no Hoare annotation was computed. [2021-11-23 02:25:04,643 INFO L858 garLoopResultBuilder]: For program point L8423-1(lines 8423 8426) no Hoare annotation was computed. [2021-11-23 02:25:04,643 INFO L858 garLoopResultBuilder]: For program point L8423(lines 8423 8426) no Hoare annotation was computed. [2021-11-23 02:25:04,644 INFO L854 garLoopResultBuilder]: At program point L8424(line 8424) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 2 |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)|)) (not (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1))) [2021-11-23 02:25:04,644 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_unlock_i2c_mutex_of_dvb_usb_deviceENTRY(lines 8420 8430) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 2 |old(~ldv_mutex_i2c_mutex_of_dvb_usb_device~0)|)) (= 2 ~ldv_mutex_i2c_mutex_of_dvb_usb_device~0) (not (= ~ldv_mutex_usb_mutex_of_dvb_usb_device~0 1))) [2021-11-23 02:25:04,647 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:04,648 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:25:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:25:04 BoogieIcfgContainer [2021-11-23 02:25:04,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:25:04,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:25:04,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:25:04,677 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:25:04,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:20" (3/4) ... [2021-11-23 02:25:04,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:25:04,685 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_i2c_xfer [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_power_ctrl [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2021-11-23 02:25:04,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_xilinx_rw [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_transfer [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_control_msg [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 02:25:04,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-11-23 02:25:04,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stv0299_writereg [2021-11-23 02:25:04,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-11-23 02:25:04,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-23 02:25:04,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_guard [2021-11-23 02:25:04,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_rc_query [2021-11-23 02:25:04,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_interruptible [2021-11-23 02:25:04,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2021-11-23 02:25:04,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-11-23 02:25:04,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2021-11-23 02:25:04,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2021-11-23 02:25:04,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 02:25:04,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 02:25:04,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 02:25:04,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:25:04,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:25:04,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == ldv_mutex_i2c_mutex_of_dvb_usb_device && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) || !(ldv_mutex_lock == 1)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1)) || (ldv_mutex_i2c_mutex_of_dvb_usb_device == 1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) [2021-11-23 02:25:04,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == ldv_mutex_i2c_mutex_of_dvb_usb_device && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) || !(ldv_mutex_lock == 1)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || (((0 <= tmp___1 && (ldv_mutex_usb_mutex_of_dvb_usb_device == 1 || 0 <= tmp)) && (2 == ldv_mutex_usb_mutex_of_dvb_usb_device || tmp + 4 <= 0)) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:04,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == ldv_mutex_i2c_mutex_of_dvb_usb_device && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) || !(ldv_mutex_lock == 1)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) [2021-11-23 02:25:05,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:25:05,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:25:05,037 INFO L158 Benchmark]: Toolchain (without parser) took 58670.71ms. Allocated memory was 113.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 72.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 762.7MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,037 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:25:05,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2474.09ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 72.6MB in the beginning and 143.5MB in the end (delta: -70.9MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.01ms. Allocated memory is still 249.6MB. Free memory was 143.5MB in the beginning and 133.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,039 INFO L158 Benchmark]: Boogie Preprocessor took 209.36ms. Allocated memory is still 249.6MB. Free memory was 133.0MB in the beginning and 180.0MB in the end (delta: -47.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,039 INFO L158 Benchmark]: RCFGBuilder took 11209.46ms. Allocated memory was 249.6MB in the beginning and 924.8MB in the end (delta: 675.3MB). Free memory was 180.0MB in the beginning and 700.8MB in the end (delta: -520.9MB). Peak memory consumption was 562.3MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,040 INFO L158 Benchmark]: TraceAbstraction took 44193.34ms. Allocated memory was 924.8MB in the beginning and 1.2GB in the end (delta: 295.7MB). Free memory was 700.8MB in the beginning and 462.9MB in the end (delta: 237.9MB). Peak memory consumption was 578.7MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,040 INFO L158 Benchmark]: Witness Printer took 359.88ms. Allocated memory is still 1.2GB. Free memory was 462.9MB in the beginning and 1.1GB in the end (delta: -645.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-23 02:25:05,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2474.09ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 72.6MB in the beginning and 143.5MB in the end (delta: -70.9MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.01ms. Allocated memory is still 249.6MB. Free memory was 143.5MB in the beginning and 133.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.36ms. Allocated memory is still 249.6MB. Free memory was 133.0MB in the beginning and 180.0MB in the end (delta: -47.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 11209.46ms. Allocated memory was 249.6MB in the beginning and 924.8MB in the end (delta: 675.3MB). Free memory was 180.0MB in the beginning and 700.8MB in the end (delta: -520.9MB). Peak memory consumption was 562.3MB. Max. memory is 16.1GB. * TraceAbstraction took 44193.34ms. Allocated memory was 924.8MB in the beginning and 1.2GB in the end (delta: 295.7MB). Free memory was 700.8MB in the beginning and 462.9MB in the end (delta: 237.9MB). Peak memory consumption was 578.7MB. Max. memory is 16.1GB. * Witness Printer took 359.88ms. Allocated memory is still 1.2GB. Free memory was 462.9MB in the beginning and 1.1GB in the end (delta: -645.3MB). Peak memory consumption was 46.1MB. 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: 8271]: 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 25 procedures, 289 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.1s, OverallIterations: 12, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 30.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 4154 SdHoareTripleChecker+Valid, 27.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4119 mSDsluCounter, 7278 SdHoareTripleChecker+Invalid, 27.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3062 mSDsCounter, 427 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1420 IncrementalHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 427 mSolverCounterUnsat, 4629 mSDtfsCounter, 1420 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6611occurred in iteration=9, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 3199 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 143 LocationsWithAnnotation, 7388 PreInvPairs, 8473 NumberOfFragments, 1737 HoareAnnotationTreeSize, 7388 FomulaSimplifications, 1024 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 143 FomulaSimplificationsInter, 38684 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1654 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1642 ConstructedInterpolants, 0 QuantifiedInterpolants, 2222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 3193/3193 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: 7769]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 8109]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7792]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7906]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((((\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == ldv_mutex_i2c_mutex_of_dvb_usb_device && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) || !(ldv_mutex_lock == 1)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7321]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8030]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 8216]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7935]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7935]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7840]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7283]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || (((0 <= tmp___1 && (ldv_mutex_usb_mutex_of_dvb_usb_device == 1 || 0 <= tmp)) && (2 == ldv_mutex_usb_mutex_of_dvb_usb_device || tmp + 4 <= 0)) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7741]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7831]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 8909]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7840]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 9044]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7314]: Loop Invariant Derived loop invariant: (((((\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == ldv_mutex_i2c_mutex_of_dvb_usb_device && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) || !(ldv_mutex_lock == 1)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7811]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7769]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8002]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 8333]: Loop Invariant Derived loop invariant: (((((\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == ldv_mutex_i2c_mutex_of_dvb_usb_device && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) || !(ldv_mutex_lock == 1)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7946]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7737]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7888]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7973]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7268]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 7113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7992]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7897]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7321]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || ((0 <= tmp___1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) && 2 == ldv_mutex_i2c_mutex_of_dvb_usb_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1) - InvariantResult [Line: 8117]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7396]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: 8237]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(\old(ldv_mutex_i2c_mutex_of_dvb_usb_device) == 1)) || !(\old(ldv_mutex_usb_mutex_of_dvb_usb_device) == 1)) || (ldv_mutex_i2c_mutex_of_dvb_usb_device == 1 && ldv_mutex_usb_mutex_of_dvb_usb_device == 1) - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i2c_mutex_of_dvb_usb_device == 1) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_usb_mutex_of_dvb_usb_device == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:25:05,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822ed82-2259-4131-a4b0-95e3c55e0b95/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE