./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/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_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:12:33,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:12:33,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:12:33,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:12:33,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:12:33,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:12:33,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:12:33,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:12:33,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:12:33,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:12:33,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:12:33,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:12:33,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:12:33,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:12:33,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:12:33,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:12:33,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:12:33,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:12:33,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:12:33,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:12:33,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:12:33,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:12:33,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:12:33,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:12:33,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:12:33,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:12:33,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:12:33,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:12:33,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:12:33,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:12:33,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:12:33,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:12:33,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:12:33,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:12:33,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:12:33,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:12:33,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:12:33,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:12:33,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:12:33,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:12:33,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:12:33,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:12:33,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:12:33,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:12:33,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:12:33,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:12:33,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:12:33,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:12:33,422 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:12:33,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:12:33,423 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:12:33,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:12:33,423 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:12:33,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:12:33,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:12:33,424 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:12:33,424 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:12:33,425 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:12:33,425 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:12:33,425 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:12:33,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:12:33,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:12:33,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:12:33,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:12:33,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:12:33,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:12:33,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:12:33,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:12:33,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:12:33,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:12:33,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:12:33,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:12:33,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:12:33,429 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:12:33,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:12:33,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:12:33,430 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:12:33,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:12:33,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:12:33,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:12:33,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 [2022-11-03 02:12:33,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:12:33,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:12:33,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:12:33,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:12:33,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:12:33,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 02:12:33,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/data/b39b93fdc/0ac0d4061d4847e4a1feddf791ec368c/FLAG93f413edb [2022-11-03 02:12:34,820 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:12:34,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/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 [2022-11-03 02:12:34,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/data/b39b93fdc/0ac0d4061d4847e4a1feddf791ec368c/FLAG93f413edb [2022-11-03 02:12:35,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/data/b39b93fdc/0ac0d4061d4847e4a1feddf791ec368c [2022-11-03 02:12:35,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:12:35,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:12:35,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:12:35,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:12:35,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:12:35,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:12:35" (1/1) ... [2022-11-03 02:12:35,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fef2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:35, skipping insertion in model container [2022-11-03 02:12:35,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:12:35" (1/1) ... [2022-11-03 02:12:35,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:12:35,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:12:36,986 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_ba3dd09c-4efe-426b-bccf-5eb029390b66/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] [2022-11-03 02:12:37,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:12:37,296 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:12:37,621 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_ba3dd09c-4efe-426b-bccf-5eb029390b66/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] [2022-11-03 02:12:37,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:12:37,842 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:12:37,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37 WrapperNode [2022-11-03 02:12:37,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:12:37,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:12:37,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:12:37,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:12:37,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:37,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,056 INFO L138 Inliner]: procedures = 170, calls = 847, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1558 [2022-11-03 02:12:38,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:12:38,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:12:38,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:12:38,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:12:38,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,199 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:12:38,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:12:38,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:12:38,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:12:38,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (1/1) ... [2022-11-03 02:12:38,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:12:38,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:12:38,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:12:38,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:12:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:12:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2022-11-03 02:12:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2022-11-03 02:12:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:12:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:12:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:12:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:12:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:12:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:12:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:12:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 02:12:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 02:12:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2022-11-03 02:12:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2022-11-03 02:12:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:12:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:12:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-11-03 02:12:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-11-03 02:12:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:12:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:12:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:12:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:12:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:12:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:12:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:12:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2022-11-03 02:12:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2022-11-03 02:12:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-03 02:12:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-03 02:12:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:12:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:12:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:12:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:12:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2022-11-03 02:12:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2022-11-03 02:12:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:12:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2022-11-03 02:12:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2022-11-03 02:12:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:12:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:12:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:12:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:12:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:12:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:12:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:12:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:12:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 02:12:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 02:12:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-03 02:12:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-03 02:12:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:12:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:12:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2022-11-03 02:12:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2022-11-03 02:12:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:12:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:12:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 02:12:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 02:12:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:12:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-11-03 02:12:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-11-03 02:12:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:12:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:12:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:12:39,014 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:12:39,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:12:39,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:12:49,385 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:12:49,797 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:12:49,797 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:12:49,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:49 BoogieIcfgContainer [2022-11-03 02:12:49,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:12:49,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:12:49,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:12:49,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:12:49,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:12:35" (1/3) ... [2022-11-03 02:12:49,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32081886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:12:49, skipping insertion in model container [2022-11-03 02:12:49,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:37" (2/3) ... [2022-11-03 02:12:49,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32081886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:12:49, skipping insertion in model container [2022-11-03 02:12:49,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:49" (3/3) ... [2022-11-03 02:12:49,813 INFO L112 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 [2022-11-03 02:12:49,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:12:49,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:12:49,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:12:49,926 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62590c2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:12:49,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:12:49,933 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) [2022-11-03 02:12:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:12:49,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:49,954 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:12:49,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:12:49,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:49,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1272360966, now seen corresponding path program 1 times [2022-11-03 02:12:49,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:49,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153087500] [2022-11-03 02:12:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:49,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-03 02:12:51,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:51,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153087500] [2022-11-03 02:12:51,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153087500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:51,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:51,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:12:51,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936311757] [2022-11-03 02:12:51,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:51,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:12:51,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:51,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:12:51,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:51,169 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) [2022-11-03 02:12:53,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:53,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:12:53,845 INFO L93 Difference]: Finished difference Result 794 states and 1165 transitions. [2022-11-03 02:12:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:12:53,847 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 [2022-11-03 02:12:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:53,863 INFO L225 Difference]: With dead ends: 794 [2022-11-03 02:12:53,863 INFO L226 Difference]: Without dead ends: 514 [2022-11-03 02:12:53,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:53,873 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 338 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:53,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 742 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:12:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-11-03 02:12:54,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 508. [2022-11-03 02:12:54,018 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) [2022-11-03 02:12:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 714 transitions. [2022-11-03 02:12:54,031 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 714 transitions. Word has length 104 [2022-11-03 02:12:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:54,033 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 714 transitions. [2022-11-03 02:12:54,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (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) [2022-11-03 02:12:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 714 transitions. [2022-11-03 02:12:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 02:12:54,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:54,045 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:12:54,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:12:54,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:12:54,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:54,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1558245574, now seen corresponding path program 1 times [2022-11-03 02:12:54,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:54,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112534977] [2022-11-03 02:12:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:54,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-03 02:12:54,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:54,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112534977] [2022-11-03 02:12:54,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112534977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:54,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:54,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:12:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139235978] [2022-11-03 02:12:54,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:54,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:12:54,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:54,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:12:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:54,602 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) [2022-11-03 02:12:56,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:12:57,061 INFO L93 Difference]: Finished difference Result 1459 states and 2047 transitions. [2022-11-03 02:12:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:12:57,062 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 [2022-11-03 02:12:57,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:57,070 INFO L225 Difference]: With dead ends: 1459 [2022-11-03 02:12:57,070 INFO L226 Difference]: Without dead ends: 975 [2022-11-03 02:12:57,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:57,075 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 339 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:57,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 722 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:12:57,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-11-03 02:12:57,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 957. [2022-11-03 02:12:57,137 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) [2022-11-03 02:12:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1344 transitions. [2022-11-03 02:12:57,145 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1344 transitions. Word has length 108 [2022-11-03 02:12:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:57,146 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1344 transitions. [2022-11-03 02:12:57,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (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) [2022-11-03 02:12:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1344 transitions. [2022-11-03 02:12:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:12:57,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:57,148 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:12:57,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:12:57,149 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:12:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:57,149 INFO L85 PathProgramCache]: Analyzing trace with hash 298090104, now seen corresponding path program 1 times [2022-11-03 02:12:57,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:57,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884126442] [2022-11-03 02:12:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:57,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-03 02:12:57,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:57,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884126442] [2022-11-03 02:12:57,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884126442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:57,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:57,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:12:57,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732493798] [2022-11-03 02:12:57,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:57,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:12:57,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:57,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:12:57,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:57,622 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) [2022-11-03 02:12:59,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:00,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:00,055 INFO L93 Difference]: Finished difference Result 2654 states and 3735 transitions. [2022-11-03 02:13:00,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:00,055 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 [2022-11-03 02:13:00,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:00,067 INFO L225 Difference]: With dead ends: 2654 [2022-11-03 02:13:00,068 INFO L226 Difference]: Without dead ends: 1721 [2022-11-03 02:13:00,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:00,073 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 319 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-11-03 02:13:00,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 768 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:13:00,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-11-03 02:13:00,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1703. [2022-11-03 02:13:00,180 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) [2022-11-03 02:13:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2400 transitions. [2022-11-03 02:13:00,193 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2400 transitions. Word has length 114 [2022-11-03 02:13:00,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:00,193 INFO L495 AbstractCegarLoop]: Abstraction has 1703 states and 2400 transitions. [2022-11-03 02:13:00,194 INFO L496 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) [2022-11-03 02:13:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2400 transitions. [2022-11-03 02:13:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 02:13:00,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:00,195 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:00,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:13:00,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:00,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:00,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1856615782, now seen corresponding path program 1 times [2022-11-03 02:13:00,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:00,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823471194] [2022-11-03 02:13:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-03 02:13:00,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:00,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823471194] [2022-11-03 02:13:00,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823471194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:00,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:00,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:00,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904941471] [2022-11-03 02:13:00,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:00,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:00,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:00,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:00,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:00,599 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) [2022-11-03 02:13:02,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:03,064 INFO L93 Difference]: Finished difference Result 3193 states and 4545 transitions. [2022-11-03 02:13:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:03,065 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 [2022-11-03 02:13:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:03,089 INFO L225 Difference]: With dead ends: 3193 [2022-11-03 02:13:03,089 INFO L226 Difference]: Without dead ends: 3189 [2022-11-03 02:13:03,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:03,097 INFO L413 NwaCegarLoop]: 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 [2022-11-03 02:13:03,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 681 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:13:03,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2022-11-03 02:13:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 3187. [2022-11-03 02:13:03,348 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) [2022-11-03 02:13:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 3187 states and 4534 transitions. [2022-11-03 02:13:03,377 INFO L78 Accepts]: Start accepts. Automaton has 3187 states and 4534 transitions. Word has length 119 [2022-11-03 02:13:03,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:03,379 INFO L495 AbstractCegarLoop]: Abstraction has 3187 states and 4534 transitions. [2022-11-03 02:13:03,379 INFO L496 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) [2022-11-03 02:13:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 4534 transitions. [2022-11-03 02:13:03,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 02:13:03,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:03,381 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:03,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:13:03,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:03,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:03,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1720575728, now seen corresponding path program 1 times [2022-11-03 02:13:03,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:03,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854044646] [2022-11-03 02:13:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-03 02:13:03,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:03,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854044646] [2022-11-03 02:13:03,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854044646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:03,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:03,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:03,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220567047] [2022-11-03 02:13:03,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:03,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:03,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:03,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:03,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:03,841 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) [2022-11-03 02:13:05,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:06,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:06,204 INFO L93 Difference]: Finished difference Result 3189 states and 4535 transitions. [2022-11-03 02:13:06,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:06,205 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 [2022-11-03 02:13:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:06,226 INFO L225 Difference]: With dead ends: 3189 [2022-11-03 02:13:06,226 INFO L226 Difference]: Without dead ends: 3186 [2022-11-03 02:13:06,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:06,229 INFO L413 NwaCegarLoop]: 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 [2022-11-03 02:13:06,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 335 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:13:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2022-11-03 02:13:06,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3186. [2022-11-03 02:13:06,426 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) [2022-11-03 02:13:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 4532 transitions. [2022-11-03 02:13:06,451 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 4532 transitions. Word has length 120 [2022-11-03 02:13:06,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:06,452 INFO L495 AbstractCegarLoop]: Abstraction has 3186 states and 4532 transitions. [2022-11-03 02:13:06,452 INFO L496 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) [2022-11-03 02:13:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 4532 transitions. [2022-11-03 02:13:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-03 02:13:06,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:06,454 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:06,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:13:06,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1798296483, now seen corresponding path program 1 times [2022-11-03 02:13:06,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:06,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930989597] [2022-11-03 02:13:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-03 02:13:06,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:06,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930989597] [2022-11-03 02:13:06,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930989597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:06,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:06,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:06,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844294554] [2022-11-03 02:13:06,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:06,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:06,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:06,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:06,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:06,850 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) [2022-11-03 02:13:08,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:09,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:09,197 INFO L93 Difference]: Finished difference Result 3188 states and 4533 transitions. [2022-11-03 02:13:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:09,198 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 [2022-11-03 02:13:09,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:09,219 INFO L225 Difference]: With dead ends: 3188 [2022-11-03 02:13:09,219 INFO L226 Difference]: Without dead ends: 3185 [2022-11-03 02:13:09,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:09,223 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:09,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 333 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:13:09,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2022-11-03 02:13:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3185. [2022-11-03 02:13:09,415 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) [2022-11-03 02:13:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 4530 transitions. [2022-11-03 02:13:09,439 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 4530 transitions. Word has length 121 [2022-11-03 02:13:09,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:09,440 INFO L495 AbstractCegarLoop]: Abstraction has 3185 states and 4530 transitions. [2022-11-03 02:13:09,440 INFO L496 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) [2022-11-03 02:13:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 4530 transitions. [2022-11-03 02:13:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-03 02:13:09,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:09,443 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:09,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:13:09,443 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:09,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:09,444 INFO L85 PathProgramCache]: Analyzing trace with hash 87332275, now seen corresponding path program 1 times [2022-11-03 02:13:09,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:09,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700755691] [2022-11-03 02:13:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:09,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-03 02:13:09,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:09,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700755691] [2022-11-03 02:13:09,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700755691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:09,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:09,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:09,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180284792] [2022-11-03 02:13:09,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:09,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:09,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:09,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:09,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:09,909 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) [2022-11-03 02:13:11,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:12,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:12,343 INFO L93 Difference]: Finished difference Result 3187 states and 4531 transitions. [2022-11-03 02:13:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:12,344 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 [2022-11-03 02:13:12,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:12,369 INFO L225 Difference]: With dead ends: 3187 [2022-11-03 02:13:12,370 INFO L226 Difference]: Without dead ends: 3184 [2022-11-03 02:13:12,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:12,374 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 348 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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 [2022-11-03 02:13:12,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 331 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:13:12,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2022-11-03 02:13:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3184. [2022-11-03 02:13:12,638 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) [2022-11-03 02:13:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4528 transitions. [2022-11-03 02:13:12,655 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4528 transitions. Word has length 122 [2022-11-03 02:13:12,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:12,659 INFO L495 AbstractCegarLoop]: Abstraction has 3184 states and 4528 transitions. [2022-11-03 02:13:12,659 INFO L496 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) [2022-11-03 02:13:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4528 transitions. [2022-11-03 02:13:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 02:13:12,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:12,662 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:12,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:13:12,663 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:12,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1587713504, now seen corresponding path program 1 times [2022-11-03 02:13:12,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:12,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266378349] [2022-11-03 02:13:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:12,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-03 02:13:13,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:13,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266378349] [2022-11-03 02:13:13,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266378349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:13,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:13,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:13,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975861275] [2022-11-03 02:13:13,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:13,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:13,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:13,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:13,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:13,049 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) [2022-11-03 02:13:15,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:15,756 INFO L93 Difference]: Finished difference Result 6249 states and 9020 transitions. [2022-11-03 02:13:15,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:15,757 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 [2022-11-03 02:13:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:15,797 INFO L225 Difference]: With dead ends: 6249 [2022-11-03 02:13:15,797 INFO L226 Difference]: Without dead ends: 6239 [2022-11-03 02:13:15,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:15,803 INFO L413 NwaCegarLoop]: 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, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:15,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 686 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:13:15,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6239 states. [2022-11-03 02:13:16,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6239 to 6234. [2022-11-03 02:13:16,217 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) [2022-11-03 02:13:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 8991 transitions. [2022-11-03 02:13:16,257 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 8991 transitions. Word has length 123 [2022-11-03 02:13:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:16,258 INFO L495 AbstractCegarLoop]: Abstraction has 6234 states and 8991 transitions. [2022-11-03 02:13:16,259 INFO L496 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) [2022-11-03 02:13:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 8991 transitions. [2022-11-03 02:13:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-03 02:13:16,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:16,264 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:16,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:13:16,265 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:16,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1816441842, now seen corresponding path program 1 times [2022-11-03 02:13:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:16,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481787938] [2022-11-03 02:13:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-03 02:13:17,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:17,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481787938] [2022-11-03 02:13:17,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481787938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:17,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:17,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:17,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978063108] [2022-11-03 02:13:17,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:17,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:17,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:17,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:17,384 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) [2022-11-03 02:13:19,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:20,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:20,076 INFO L93 Difference]: Finished difference Result 6616 states and 9447 transitions. [2022-11-03 02:13:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:13:20,077 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 [2022-11-03 02:13:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:20,115 INFO L225 Difference]: With dead ends: 6616 [2022-11-03 02:13:20,115 INFO L226 Difference]: Without dead ends: 6613 [2022-11-03 02:13:20,121 INFO L412 NwaCegarLoop]: 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 [2022-11-03 02:13:20,122 INFO L413 NwaCegarLoop]: 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 [2022-11-03 02:13:20,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 685 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:13:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6613 states. [2022-11-03 02:13:20,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6613 to 6611. [2022-11-03 02:13:20,590 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) [2022-11-03 02:13:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 9432 transitions. [2022-11-03 02:13:20,629 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 9432 transitions. Word has length 164 [2022-11-03 02:13:20,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:20,629 INFO L495 AbstractCegarLoop]: Abstraction has 6611 states and 9432 transitions. [2022-11-03 02:13:20,630 INFO L496 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) [2022-11-03 02:13:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 9432 transitions. [2022-11-03 02:13:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-03 02:13:20,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:20,637 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:20,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:13:20,638 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1342622653, now seen corresponding path program 1 times [2022-11-03 02:13:20,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:20,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151727668] [2022-11-03 02:13:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:20,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-11-03 02:13:22,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:22,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151727668] [2022-11-03 02:13:22,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151727668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:22,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:22,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:13:22,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348236555] [2022-11-03 02:13:22,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:22,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:13:22,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:22,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:13:22,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:13:22,019 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) [2022-11-03 02:13:24,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:25,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:25,437 INFO L93 Difference]: Finished difference Result 6639 states and 9462 transitions. [2022-11-03 02:13:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:13:25,438 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 [2022-11-03 02:13:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:25,479 INFO L225 Difference]: With dead ends: 6639 [2022-11-03 02:13:25,479 INFO L226 Difference]: Without dead ends: 6633 [2022-11-03 02:13:25,485 INFO L412 NwaCegarLoop]: 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 [2022-11-03 02:13:25,486 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 545 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:25,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 409 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 293 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:13:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6633 states. [2022-11-03 02:13:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6633 to 6569. [2022-11-03 02:13:25,939 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) [2022-11-03 02:13:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9372 transitions. [2022-11-03 02:13:25,972 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 9372 transitions. Word has length 171 [2022-11-03 02:13:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:25,972 INFO L495 AbstractCegarLoop]: Abstraction has 6569 states and 9372 transitions. [2022-11-03 02:13:25,973 INFO L496 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) [2022-11-03 02:13:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 9372 transitions. [2022-11-03 02:13:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-03 02:13:25,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:25,981 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:13:25,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:13:25,981 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:25,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:25,982 INFO L85 PathProgramCache]: Analyzing trace with hash -41922266, now seen corresponding path program 1 times [2022-11-03 02:13:25,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:25,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856739877] [2022-11-03 02:13:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:25,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-03 02:13:27,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:27,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856739877] [2022-11-03 02:13:27,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856739877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:27,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:27,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:27,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818426343] [2022-11-03 02:13:27,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:27,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:27,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:27,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:27,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:27,620 INFO L87 Difference]: Start difference. First operand 6569 states and 9372 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:13:29,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:30,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:30,489 INFO L93 Difference]: Finished difference Result 6571 states and 9373 transitions. [2022-11-03 02:13:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:13:30,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-11-03 02:13:30,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:30,530 INFO L225 Difference]: With dead ends: 6571 [2022-11-03 02:13:30,530 INFO L226 Difference]: Without dead ends: 6561 [2022-11-03 02:13:30,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:30,537 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 549 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 118 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:30,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 395 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 71 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:13:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6561 states. [2022-11-03 02:13:31,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6561 to 6531. [2022-11-03 02:13:31,031 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, (1524), 1256 states have call predecessors, (1524), 1268 states have call successors, (1524) [2022-11-03 02:13:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9310 transitions. [2022-11-03 02:13:31,061 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9310 transitions. Word has length 186 [2022-11-03 02:13:31,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:31,061 INFO L495 AbstractCegarLoop]: Abstraction has 6531 states and 9310 transitions. [2022-11-03 02:13:31,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:13:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9310 transitions. [2022-11-03 02:13:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-03 02:13:31,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:31,074 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:13:31,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:13:31,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1448150332, now seen corresponding path program 1 times [2022-11-03 02:13:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:31,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314772804] [2022-11-03 02:13:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-11-03 02:13:32,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:32,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314772804] [2022-11-03 02:13:32,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314772804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:32,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:32,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:32,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034937280] [2022-11-03 02:13:32,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:32,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:32,292 INFO L87 Difference]: Start difference. First operand 6531 states and 9310 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:13:34,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:35,235 INFO L93 Difference]: Finished difference Result 6585 states and 9414 transitions. [2022-11-03 02:13:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:13:35,236 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-03 02:13:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:35,237 INFO L225 Difference]: With dead ends: 6585 [2022-11-03 02:13:35,237 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:13:35,266 INFO L412 NwaCegarLoop]: 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 [2022-11-03 02:13:35,267 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 128 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-11-03 02:13:35,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 693 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:13:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:13:35,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:13:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:13:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:13:35,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2022-11-03 02:13:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:35,271 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:13:35,271 INFO L496 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:13:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:13:35,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:13:35,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:13:35,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:13:35,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:13:43,863 INFO L899 garLoopResultBuilder]: For program point kfreeEXIT(lines 9139 9141) no Hoare annotation was computed. [2022-11-03 02:13:43,864 INFO L902 garLoopResultBuilder]: At program point kfreeENTRY(lines 9139 9141) the Hoare annotation is: true [2022-11-03 02:13:43,864 INFO L895 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))) [2022-11-03 02:13:43,865 INFO L895 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|))) [2022-11-03 02:13:43,865 INFO L895 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))) [2022-11-03 02:13:43,865 INFO L899 garLoopResultBuilder]: For program point L8905(lines 8905 8908) no Hoare annotation was computed. [2022-11-03 02:13:43,866 INFO L895 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))) [2022-11-03 02:13:43,866 INFO L895 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))) [2022-11-03 02:13:43,866 INFO L895 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))) [2022-11-03 02:13:43,867 INFO L895 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))) [2022-11-03 02:13:43,867 INFO L899 garLoopResultBuilder]: For program point opera1_i2c_xferFINAL(lines 7314 7358) no Hoare annotation was computed. [2022-11-03 02:13:43,867 INFO L895 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))) [2022-11-03 02:13:43,868 INFO L895 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))) [2022-11-03 02:13:43,868 INFO L899 garLoopResultBuilder]: For program point L8329(lines 8329 8332) no Hoare annotation was computed. [2022-11-03 02:13:43,868 INFO L899 garLoopResultBuilder]: For program point L8230-1(line 8230) no Hoare annotation was computed. [2022-11-03 02:13:43,868 INFO L895 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))) [2022-11-03 02:13:43,869 INFO L895 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))) [2022-11-03 02:13:43,869 INFO L899 garLoopResultBuilder]: For program point opera1_i2c_xferEXIT(lines 7314 7358) no Hoare annotation was computed. [2022-11-03 02:13:43,869 INFO L899 garLoopResultBuilder]: For program point L7331(lines 7331 7334) no Hoare annotation was computed. [2022-11-03 02:13:43,869 INFO L895 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))) [2022-11-03 02:13:43,870 INFO L895 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))) [2022-11-03 02:13:43,870 INFO L895 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))) [2022-11-03 02:13:43,870 INFO L899 garLoopResultBuilder]: For program point L7340(lines 7340 7343) no Hoare annotation was computed. [2022-11-03 02:13:43,870 INFO L895 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))) [2022-11-03 02:13:43,871 INFO L895 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))) [2022-11-03 02:13:43,871 INFO L895 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))) [2022-11-03 02:13:43,871 INFO L899 garLoopResultBuilder]: For program point L8209-1(line 8209) no Hoare annotation was computed. [2022-11-03 02:13:43,872 INFO L895 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))) [2022-11-03 02:13:43,872 INFO L899 garLoopResultBuilder]: For program point L7309-3(line 7309) no Hoare annotation was computed. [2022-11-03 02:13:43,872 INFO L895 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|))) [2022-11-03 02:13:43,872 INFO L895 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))) [2022-11-03 02:13:43,873 INFO L899 garLoopResultBuilder]: For program point L7326(lines 7326 7329) no Hoare annotation was computed. [2022-11-03 02:13:43,873 INFO L899 garLoopResultBuilder]: For program point L7277(lines 7277 7281) no Hoare annotation was computed. [2022-11-03 02:13:43,873 INFO L902 garLoopResultBuilder]: At program point ldv_undef_intENTRY(lines 7068 7075) the Hoare annotation is: true [2022-11-03 02:13:43,873 INFO L899 garLoopResultBuilder]: For program point ldv_undef_intEXIT(lines 7068 7075) no Hoare annotation was computed. [2022-11-03 02:13:43,873 INFO L902 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 9113 9115) the Hoare annotation is: true [2022-11-03 02:13:43,874 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 9113 9115) no Hoare annotation was computed. [2022-11-03 02:13:43,874 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 8267 8273) the Hoare annotation is: true [2022-11-03 02:13:43,874 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8271) no Hoare annotation was computed. [2022-11-03 02:13:43,874 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 8267 8273) no Hoare annotation was computed. [2022-11-03 02:13:43,874 INFO L902 garLoopResultBuilder]: At program point opera1_power_ctrlENTRY(lines 7513 7526) the Hoare annotation is: true [2022-11-03 02:13:43,875 INFO L899 garLoopResultBuilder]: For program point opera1_power_ctrlEXIT(lines 7513 7526) no Hoare annotation was computed. [2022-11-03 02:13:43,875 INFO L899 garLoopResultBuilder]: For program point L7523-1(line 7523) no Hoare annotation was computed. [2022-11-03 02:13:43,875 INFO L902 garLoopResultBuilder]: At program point L7523(line 7523) the Hoare annotation is: true [2022-11-03 02:13:43,875 INFO L902 garLoopResultBuilder]: At program point kmallocENTRY(lines 7116 7123) the Hoare annotation is: true [2022-11-03 02:13:43,875 INFO L902 garLoopResultBuilder]: At program point L7113-1(line 7113) the Hoare annotation is: true [2022-11-03 02:13:43,875 INFO L902 garLoopResultBuilder]: At program point L7113(line 7113) the Hoare annotation is: true [2022-11-03 02:13:43,876 INFO L899 garLoopResultBuilder]: For program point kmallocEXIT(lines 7116 7123) no Hoare annotation was computed. [2022-11-03 02:13:43,876 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,876 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memmoveENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,876 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,876 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memmoveEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:13:43,877 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 7084 7090) no Hoare annotation was computed. [2022-11-03 02:13:43,877 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 7084 7090) the Hoare annotation is: true [2022-11-03 02:13:43,877 INFO L899 garLoopResultBuilder]: For program point L7232-1(line 7232) no Hoare annotation was computed. [2022-11-03 02:13:43,877 INFO L902 garLoopResultBuilder]: At program point L7232(line 7232) the Hoare annotation is: true [2022-11-03 02:13:43,877 INFO L899 garLoopResultBuilder]: For program point L7224-1(line 7224) no Hoare annotation was computed. [2022-11-03 02:13:43,878 INFO L902 garLoopResultBuilder]: At program point L7224(line 7224) the Hoare annotation is: true [2022-11-03 02:13:43,878 INFO L899 garLoopResultBuilder]: For program point L7245-2(lines 7222 7266) no Hoare annotation was computed. [2022-11-03 02:13:43,878 INFO L899 garLoopResultBuilder]: For program point L7245(lines 7245 7257) no Hoare annotation was computed. [2022-11-03 02:13:43,878 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,878 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,879 INFO L899 garLoopResultBuilder]: For program point L7250-2(lines 7250 7254) no Hoare annotation was computed. [2022-11-03 02:13:43,879 INFO L899 garLoopResultBuilder]: For program point L7238(lines 7238 7242) no Hoare annotation was computed. [2022-11-03 02:13:43,879 INFO L899 garLoopResultBuilder]: For program point L7234(lines 7234 7237) no Hoare annotation was computed. [2022-11-03 02:13:43,879 INFO L902 garLoopResultBuilder]: At program point L7238-2(lines 7238 7242) the Hoare annotation is: true [2022-11-03 02:13:43,879 INFO L902 garLoopResultBuilder]: At program point L7263(lines 7222 7266) the Hoare annotation is: true [2022-11-03 02:13:43,880 INFO L899 garLoopResultBuilder]: For program point L7259-1(line 7259) no Hoare annotation was computed. [2022-11-03 02:13:43,880 INFO L902 garLoopResultBuilder]: At program point L7259(line 7259) the Hoare annotation is: true [2022-11-03 02:13:43,880 INFO L899 garLoopResultBuilder]: For program point opera1_xilinx_rwEXIT(lines 7208 7267) no Hoare annotation was computed. [2022-11-03 02:13:43,880 INFO L899 garLoopResultBuilder]: For program point L7247-1(line 7247) no Hoare annotation was computed. [2022-11-03 02:13:43,880 INFO L902 garLoopResultBuilder]: At program point L7247(line 7247) the Hoare annotation is: true [2022-11-03 02:13:43,880 INFO L899 garLoopResultBuilder]: For program point L7243(lines 7243 7244) no Hoare annotation was computed. [2022-11-03 02:13:43,881 INFO L902 garLoopResultBuilder]: At program point L7239-1(line 7239) the Hoare annotation is: true [2022-11-03 02:13:43,881 INFO L902 garLoopResultBuilder]: At program point L7239(line 7239) the Hoare annotation is: true [2022-11-03 02:13:43,881 INFO L899 garLoopResultBuilder]: For program point L7264(line 7264) no Hoare annotation was computed. [2022-11-03 02:13:43,881 INFO L902 garLoopResultBuilder]: At program point opera1_xilinx_rwENTRY(lines 7208 7267) the Hoare annotation is: true [2022-11-03 02:13:43,881 INFO L899 garLoopResultBuilder]: For program point L7227-1(line 7227) no Hoare annotation was computed. [2022-11-03 02:13:43,882 INFO L902 garLoopResultBuilder]: At program point L7227(line 7227) the Hoare annotation is: true [2022-11-03 02:13:43,882 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7229) no Hoare annotation was computed. [2022-11-03 02:13:43,882 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7229) no Hoare annotation was computed. [2022-11-03 02:13:43,882 INFO L899 garLoopResultBuilder]: For program point L7248-1(lines 7248 7249) no Hoare annotation was computed. [2022-11-03 02:13:43,882 INFO L902 garLoopResultBuilder]: At program point L7248(lines 7248 7249) the Hoare annotation is: true [2022-11-03 02:13:43,883 INFO L899 garLoopResultBuilder]: For program point L7240(line 7240) no Hoare annotation was computed. [2022-11-03 02:13:43,883 INFO L899 garLoopResultBuilder]: For program point opera1_xilinx_rwFINAL(lines 7208 7267) no Hoare annotation was computed. [2022-11-03 02:13:43,883 INFO L902 garLoopResultBuilder]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,883 INFO L899 garLoopResultBuilder]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:13:43,883 INFO L902 garLoopResultBuilder]: At program point i2c_transferENTRY(lines 9088 9090) the Hoare annotation is: true [2022-11-03 02:13:43,883 INFO L899 garLoopResultBuilder]: For program point i2c_transferEXIT(lines 9088 9090) no Hoare annotation was computed. [2022-11-03 02:13:43,884 INFO L899 garLoopResultBuilder]: For program point usb_control_msgEXIT(lines 9128 9130) no Hoare annotation was computed. [2022-11-03 02:13:43,884 INFO L902 garLoopResultBuilder]: At program point usb_control_msgENTRY(lines 9128 9130) the Hoare annotation is: true [2022-11-03 02:13:43,884 INFO L902 garLoopResultBuilder]: At program point L7054(line 7054) the Hoare annotation is: true [2022-11-03 02:13:43,884 INFO L899 garLoopResultBuilder]: For program point L7056-1(line 7056) no Hoare annotation was computed. [2022-11-03 02:13:43,884 INFO L902 garLoopResultBuilder]: At program point L7056(line 7056) the Hoare annotation is: true [2022-11-03 02:13:43,885 INFO L899 garLoopResultBuilder]: For program point ldv_init_zallocEXIT(lines 7049 7059) no Hoare annotation was computed. [2022-11-03 02:13:43,885 INFO L899 garLoopResultBuilder]: For program point L7054-1(line 7054) no Hoare annotation was computed. [2022-11-03 02:13:43,885 INFO L902 garLoopResultBuilder]: At program point ldv_init_zallocENTRY(lines 7049 7059) the Hoare annotation is: true [2022-11-03 02:13:43,885 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 7012 7014) the Hoare annotation is: true [2022-11-03 02:13:43,885 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7012 7014) no Hoare annotation was computed. [2022-11-03 02:13:43,885 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 7159 7164) the Hoare annotation is: true [2022-11-03 02:13:43,886 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 7159 7164) no Hoare annotation was computed. [2022-11-03 02:13:43,886 INFO L895 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))) [2022-11-03 02:13:43,886 INFO L895 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))) [2022-11-03 02:13:43,886 INFO L899 garLoopResultBuilder]: For program point L7196-2(lines 7196 7200) no Hoare annotation was computed. [2022-11-03 02:13:43,887 INFO L899 garLoopResultBuilder]: For program point L7196(lines 7196 7200) no Hoare annotation was computed. [2022-11-03 02:13:43,887 INFO L895 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))) [2022-11-03 02:13:43,887 INFO L899 garLoopResultBuilder]: For program point stv0299_writeregEXIT(lines 7188 7203) no Hoare annotation was computed. [2022-11-03 02:13:43,887 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_usb_mutex_of_dvb_usb_deviceEXIT(lines 8996 9006) no Hoare annotation was computed. [2022-11-03 02:13:43,888 INFO L895 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))) [2022-11-03 02:13:43,888 INFO L895 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))) [2022-11-03 02:13:43,888 INFO L899 garLoopResultBuilder]: For program point L8999(lines 8999 9002) no Hoare annotation was computed. [2022-11-03 02:13:43,888 INFO L899 garLoopResultBuilder]: For program point L8999-1(lines 8999 9002) no Hoare annotation was computed. [2022-11-03 02:13:43,888 INFO L899 garLoopResultBuilder]: For program point L7022(lines 7022 7029) no Hoare annotation was computed. [2022-11-03 02:13:43,889 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 7015 7031) the Hoare annotation is: true [2022-11-03 02:13:43,889 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 7015 7031) no Hoare annotation was computed. [2022-11-03 02:13:43,889 INFO L899 garLoopResultBuilder]: For program point L7027-1(line 7027) no Hoare annotation was computed. [2022-11-03 02:13:43,889 INFO L902 garLoopResultBuilder]: At program point L7027(line 7027) the Hoare annotation is: true [2022-11-03 02:13:43,889 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 7015 7031) no Hoare annotation was computed. [2022-11-03 02:13:43,889 INFO L899 garLoopResultBuilder]: For program point memcpy_guardEXIT(lines 14 19) no Hoare annotation was computed. [2022-11-03 02:13:43,890 INFO L902 garLoopResultBuilder]: At program point memcpy_guardENTRY(lines 14 19) the Hoare annotation is: true [2022-11-03 02:13:43,890 INFO L899 garLoopResultBuilder]: For program point opera1_rc_queryFINAL(lines 7627 7723) no Hoare annotation was computed. [2022-11-03 02:13:43,890 INFO L902 garLoopResultBuilder]: At program point L7649-1(lines 7649 7720) the Hoare annotation is: true [2022-11-03 02:13:43,890 INFO L899 garLoopResultBuilder]: For program point L7649(lines 7649 7720) no Hoare annotation was computed. [2022-11-03 02:13:43,890 INFO L902 garLoopResultBuilder]: At program point opera1_rc_queryENTRY(lines 7627 7723) the Hoare annotation is: true [2022-11-03 02:13:43,891 INFO L899 garLoopResultBuilder]: For program point L7703(lines 7703 7709) no Hoare annotation was computed. [2022-11-03 02:13:43,891 INFO L902 garLoopResultBuilder]: At program point L7662(lines 7649 7718) the Hoare annotation is: true [2022-11-03 02:13:43,891 INFO L902 garLoopResultBuilder]: At program point L7712(lines 7649 7718) the Hoare annotation is: true [2022-11-03 02:13:43,891 INFO L899 garLoopResultBuilder]: For program point opera1_rc_queryEXIT(lines 7627 7723) no Hoare annotation was computed. [2022-11-03 02:13:43,891 INFO L899 garLoopResultBuilder]: For program point L7671-2(lines 7671 7676) no Hoare annotation was computed. [2022-11-03 02:13:43,892 INFO L902 garLoopResultBuilder]: At program point L7688(lines 7649 7718) the Hoare annotation is: true [2022-11-03 02:13:43,892 INFO L902 garLoopResultBuilder]: At program point L7693(lines 7649 7718) the Hoare annotation is: true [2022-11-03 02:13:43,892 INFO L899 garLoopResultBuilder]: For program point L7648-1(line 7648) no Hoare annotation was computed. [2022-11-03 02:13:43,892 INFO L902 garLoopResultBuilder]: At program point L7648(line 7648) the Hoare annotation is: true [2022-11-03 02:13:43,892 INFO L902 garLoopResultBuilder]: At program point L7690(lines 7649 7718) the Hoare annotation is: true [2022-11-03 02:13:43,893 INFO L899 garLoopResultBuilder]: For program point L7682(lines 7682 7687) no Hoare annotation was computed. [2022-11-03 02:13:43,893 INFO L902 garLoopResultBuilder]: At program point mutex_lock_interruptibleENTRY(lines 9106 9108) the Hoare annotation is: true [2022-11-03 02:13:43,893 INFO L899 garLoopResultBuilder]: For program point mutex_lock_interruptibleEXIT(lines 9106 9108) no Hoare annotation was computed. [2022-11-03 02:13:43,893 INFO L899 garLoopResultBuilder]: For program point L7963(lines 7963 7985) no Hoare annotation was computed. [2022-11-03 02:13:43,893 INFO L899 garLoopResultBuilder]: For program point L8029(line 8029) no Hoare annotation was computed. [2022-11-03 02:13:43,893 INFO L895 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)) [2022-11-03 02:13:43,893 INFO L895 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)) [2022-11-03 02:13:43,894 INFO L895 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)) [2022-11-03 02:13:43,894 INFO L895 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)) [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L7766-1(line 7766) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L8097(line 8097) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L9055(lines 9046 9068) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L7965(lines 7965 7982) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L8098(lines 8098 8102) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L7966(line 7966) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L8032-2(lines 8030 8046) no Hoare annotation was computed. [2022-11-03 02:13:43,894 INFO L899 garLoopResultBuilder]: For program point L8032(lines 8032 8040) no Hoare annotation was computed. [2022-11-03 02:13:43,895 INFO L899 garLoopResultBuilder]: For program point L8098-2(lines 8077 8127) no Hoare annotation was computed. [2022-11-03 02:13:43,895 INFO L895 garLoopResultBuilder]: At program point L9056(line 9056) the Hoare annotation is: false [2022-11-03 02:13:43,895 INFO L899 garLoopResultBuilder]: For program point L7768-1(line 7768) no Hoare annotation was computed. [2022-11-03 02:13:43,895 INFO L895 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)) [2022-11-03 02:13:43,895 INFO L899 garLoopResultBuilder]: For program point L7801-1(line 7801) no Hoare annotation was computed. [2022-11-03 02:13:43,895 INFO L895 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)) [2022-11-03 02:13:43,895 INFO L899 garLoopResultBuilder]: For program point L8099-1(line 8099) no Hoare annotation was computed. [2022-11-03 02:13:43,896 INFO L895 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)) [2022-11-03 02:13:43,896 INFO L899 garLoopResultBuilder]: For program point L8132(line 8132) no Hoare annotation was computed. [2022-11-03 02:13:43,896 INFO L899 garLoopResultBuilder]: For program point L7967(lines 7967 7971) no Hoare annotation was computed. [2022-11-03 02:13:43,896 INFO L895 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)) [2022-11-03 02:13:43,896 INFO L899 garLoopResultBuilder]: For program point L7769-2(lines 7769 7809) no Hoare annotation was computed. [2022-11-03 02:13:43,897 INFO L899 garLoopResultBuilder]: For program point L7736-1(line 7736) no Hoare annotation was computed. [2022-11-03 02:13:43,897 INFO L895 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)) [2022-11-03 02:13:43,897 INFO L899 garLoopResultBuilder]: For program point L8067(line 8067) no Hoare annotation was computed. [2022-11-03 02:13:43,897 INFO L902 garLoopResultBuilder]: At program point L8133(line 8133) the Hoare annotation is: true [2022-11-03 02:13:43,897 INFO L899 garLoopResultBuilder]: For program point L7968-1(line 7968) no Hoare annotation was computed. [2022-11-03 02:13:43,898 INFO L895 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)) [2022-11-03 02:13:43,898 INFO L895 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)) [2022-11-03 02:13:43,898 INFO L895 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)) [2022-11-03 02:13:43,898 INFO L899 garLoopResultBuilder]: For program point L9059(lines 9046 9068) no Hoare annotation was computed. [2022-11-03 02:13:43,898 INFO L895 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)) [2022-11-03 02:13:43,898 INFO L902 garLoopResultBuilder]: At program point L8068(line 8068) the Hoare annotation is: true [2022-11-03 02:13:43,899 INFO L899 garLoopResultBuilder]: For program point L7936-1(line 7936) no Hoare annotation was computed. [2022-11-03 02:13:43,899 INFO L895 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)) [2022-11-03 02:13:43,899 INFO L895 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)) [2022-11-03 02:13:43,899 INFO L895 garLoopResultBuilder]: At program point L9060(line 9060) the Hoare annotation is: false [2022-11-03 02:13:43,899 INFO L899 garLoopResultBuilder]: For program point L7772-1(line 7772) no Hoare annotation was computed. [2022-11-03 02:13:43,900 INFO L895 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)) [2022-11-03 02:13:43,900 INFO L895 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)) [2022-11-03 02:13:43,900 INFO L899 garLoopResultBuilder]: For program point L7938-1(line 7938) no Hoare annotation was computed. [2022-11-03 02:13:43,900 INFO L899 garLoopResultBuilder]: For program point L7773-1(line 7773) no Hoare annotation was computed. [2022-11-03 02:13:43,900 INFO L895 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)) [2022-11-03 02:13:43,901 INFO L899 garLoopResultBuilder]: For program point L8104-1(line 8104) no Hoare annotation was computed. [2022-11-03 02:13:43,901 INFO L895 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)) [2022-11-03 02:13:43,901 INFO L895 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)) [2022-11-03 02:13:43,901 INFO L895 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)) [2022-11-03 02:13:43,901 INFO L895 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)) [2022-11-03 02:13:43,902 INFO L895 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)) [2022-11-03 02:13:43,902 INFO L895 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)) [2022-11-03 02:13:43,902 INFO L899 garLoopResultBuilder]: For program point L7774-1(line 7774) no Hoare annotation was computed. [2022-11-03 02:13:43,902 INFO L899 garLoopResultBuilder]: For program point L7940-1(line 7940) no Hoare annotation was computed. [2022-11-03 02:13:43,902 INFO L895 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)) [2022-11-03 02:13:43,903 INFO L902 garLoopResultBuilder]: At program point L9063(lines 9044 9069) the Hoare annotation is: true [2022-11-03 02:13:43,903 INFO L895 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)) [2022-11-03 02:13:43,903 INFO L899 garLoopResultBuilder]: For program point L7842(lines 7842 7845) no Hoare annotation was computed. [2022-11-03 02:13:43,903 INFO L895 garLoopResultBuilder]: At program point L9064(line 9064) the Hoare annotation is: false [2022-11-03 02:13:43,903 INFO L899 garLoopResultBuilder]: For program point L8074(line 8074) no Hoare annotation was computed. [2022-11-03 02:13:43,904 INFO L895 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)) [2022-11-03 02:13:43,904 INFO L899 garLoopResultBuilder]: For program point L7942-1(line 7942) no Hoare annotation was computed. [2022-11-03 02:13:43,904 INFO L899 garLoopResultBuilder]: For program point L8075(lines 8075 8130) no Hoare annotation was computed. [2022-11-03 02:13:43,904 INFO L895 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)) [2022-11-03 02:13:43,904 INFO L899 garLoopResultBuilder]: For program point L8010(line 8010) no Hoare annotation was computed. [2022-11-03 02:13:43,905 INFO L895 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)) [2022-11-03 02:13:43,905 INFO L895 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)) [2022-11-03 02:13:43,905 INFO L899 garLoopResultBuilder]: For program point L7944-1(line 7944) no Hoare annotation was computed. [2022-11-03 02:13:43,905 INFO L895 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)) [2022-11-03 02:13:43,905 INFO L902 garLoopResultBuilder]: At program point L8011(line 8011) the Hoare annotation is: true [2022-11-03 02:13:43,905 INFO L899 garLoopResultBuilder]: For program point L8077(lines 8077 8127) no Hoare annotation was computed. [2022-11-03 02:13:43,906 INFO L895 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)) [2022-11-03 02:13:43,906 INFO L899 garLoopResultBuilder]: For program point L8078(line 8078) no Hoare annotation was computed. [2022-11-03 02:13:43,906 INFO L895 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)) [2022-11-03 02:13:43,906 INFO L895 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)) [2022-11-03 02:13:43,906 INFO L899 garLoopResultBuilder]: For program point L8079(lines 8079 8083) no Hoare annotation was computed. [2022-11-03 02:13:43,907 INFO L899 garLoopResultBuilder]: For program point L7980(line 7980) no Hoare annotation was computed. [2022-11-03 02:13:43,907 INFO L899 garLoopResultBuilder]: For program point L8079-2(lines 8077 8127) no Hoare annotation was computed. [2022-11-03 02:13:43,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:13:43,907 INFO L899 garLoopResultBuilder]: For program point L8080-1(line 8080) no Hoare annotation was computed. [2022-11-03 02:13:43,907 INFO L895 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)) [2022-11-03 02:13:43,908 INFO L902 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: true [2022-11-03 02:13:43,908 INFO L899 garLoopResultBuilder]: For program point L7783-1(line 7783) no Hoare annotation was computed. [2022-11-03 02:13:43,908 INFO L895 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)) [2022-11-03 02:13:43,908 INFO L899 garLoopResultBuilder]: For program point L7949-1(line 7949) no Hoare annotation was computed. [2022-11-03 02:13:43,908 INFO L895 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)) [2022-11-03 02:13:43,908 INFO L899 garLoopResultBuilder]: For program point L7784(lines 7784 7789) no Hoare annotation was computed. [2022-11-03 02:13:43,909 INFO L895 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)) [2022-11-03 02:13:43,909 INFO L899 garLoopResultBuilder]: For program point L8049(line 8049) no Hoare annotation was computed. [2022-11-03 02:13:43,909 INFO L899 garLoopResultBuilder]: For program point L7950-1(line 7950) no Hoare annotation was computed. [2022-11-03 02:13:43,909 INFO L902 garLoopResultBuilder]: At program point L8050(line 8050) the Hoare annotation is: true [2022-11-03 02:13:43,909 INFO L899 garLoopResultBuilder]: For program point L7951-1(line 7951) no Hoare annotation was computed. [2022-11-03 02:13:43,910 INFO L895 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)) [2022-11-03 02:13:43,910 INFO L899 garLoopResultBuilder]: For program point L8017(line 8017) no Hoare annotation was computed. [2022-11-03 02:13:43,910 INFO L899 garLoopResultBuilder]: For program point L8018(lines 8018 8054) no Hoare annotation was computed. [2022-11-03 02:13:43,910 INFO L895 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)) [2022-11-03 02:13:43,910 INFO L899 garLoopResultBuilder]: For program point L7952-1(line 7952) no Hoare annotation was computed. [2022-11-03 02:13:43,910 INFO L895 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)) [2022-11-03 02:13:43,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:13:43,911 INFO L899 garLoopResultBuilder]: For program point L8085-1(line 8085) no Hoare annotation was computed. [2022-11-03 02:13:43,911 INFO L895 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)) [2022-11-03 02:13:43,911 INFO L895 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)) [2022-11-03 02:13:43,911 INFO L899 garLoopResultBuilder]: For program point L7392-1(line 7392) no Hoare annotation was computed. [2022-11-03 02:13:43,912 INFO L895 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)) [2022-11-03 02:13:43,912 INFO L899 garLoopResultBuilder]: For program point L7987(line 7987) no Hoare annotation was computed. [2022-11-03 02:13:43,912 INFO L899 garLoopResultBuilder]: For program point L8020(lines 8020 8051) no Hoare annotation was computed. [2022-11-03 02:13:43,912 INFO L895 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)) [2022-11-03 02:13:43,912 INFO L895 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)) [2022-11-03 02:13:43,913 INFO L899 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2022-11-03 02:13:43,913 INFO L895 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)) [2022-11-03 02:13:43,913 INFO L899 garLoopResultBuilder]: For program point L7988(lines 7988 8015) no Hoare annotation was computed. [2022-11-03 02:13:43,913 INFO L899 garLoopResultBuilder]: For program point L8021(line 8021) no Hoare annotation was computed. [2022-11-03 02:13:43,913 INFO L895 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)) [2022-11-03 02:13:43,913 INFO L899 garLoopResultBuilder]: For program point L7394-1(line 7394) no Hoare annotation was computed. [2022-11-03 02:13:43,914 INFO L895 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)) [2022-11-03 02:13:43,914 INFO L895 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)) [2022-11-03 02:13:43,914 INFO L899 garLoopResultBuilder]: For program point L7395-1(line 7395) no Hoare annotation was computed. [2022-11-03 02:13:43,914 INFO L895 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)) [2022-11-03 02:13:43,914 INFO L899 garLoopResultBuilder]: For program point L7990(lines 7990 8012) no Hoare annotation was computed. [2022-11-03 02:13:43,915 INFO L899 garLoopResultBuilder]: For program point L8056(line 8056) no Hoare annotation was computed. [2022-11-03 02:13:43,915 INFO L899 garLoopResultBuilder]: For program point L9047(lines 9047 9050) no Hoare annotation was computed. [2022-11-03 02:13:43,915 INFO L899 garLoopResultBuilder]: For program point L9047-1(lines 9046 9068) no Hoare annotation was computed. [2022-11-03 02:13:43,915 INFO L895 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)) [2022-11-03 02:13:43,915 INFO L895 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)) [2022-11-03 02:13:43,916 INFO L895 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)) [2022-11-03 02:13:43,916 INFO L899 garLoopResultBuilder]: For program point L8090(line 8090) no Hoare annotation was computed. [2022-11-03 02:13:43,916 INFO L899 garLoopResultBuilder]: For program point L7991(line 7991) no Hoare annotation was computed. [2022-11-03 02:13:43,916 INFO L899 garLoopResultBuilder]: For program point L8057(lines 8057 8072) no Hoare annotation was computed. [2022-11-03 02:13:43,916 INFO L895 garLoopResultBuilder]: At program point L9048(line 9048) the Hoare annotation is: false [2022-11-03 02:13:43,917 INFO L899 garLoopResultBuilder]: For program point L8091(lines 8091 8095) no Hoare annotation was computed. [2022-11-03 02:13:43,917 INFO L895 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)) [2022-11-03 02:13:43,917 INFO L899 garLoopResultBuilder]: For program point L7761(lines 7761 7810) no Hoare annotation was computed. [2022-11-03 02:13:43,917 INFO L899 garLoopResultBuilder]: For program point L8059(lines 8059 8069) no Hoare annotation was computed. [2022-11-03 02:13:43,917 INFO L899 garLoopResultBuilder]: For program point L8125(line 8125) no Hoare annotation was computed. [2022-11-03 02:13:43,917 INFO L902 garLoopResultBuilder]: At program point L8126(line 8126) the Hoare annotation is: true [2022-11-03 02:13:43,918 INFO L899 garLoopResultBuilder]: For program point L9051(lines 9046 9068) no Hoare annotation was computed. [2022-11-03 02:13:43,918 INFO L899 garLoopResultBuilder]: For program point L8060(line 8060) no Hoare annotation was computed. [2022-11-03 02:13:43,918 INFO L899 garLoopResultBuilder]: For program point L7961(lines 7961 8134) no Hoare annotation was computed. [2022-11-03 02:13:43,918 INFO L895 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)) [2022-11-03 02:13:43,918 INFO L895 garLoopResultBuilder]: At program point L9052(line 9052) the Hoare annotation is: false [2022-11-03 02:13:43,919 INFO L899 garLoopResultBuilder]: For program point L7962(line 7962) no Hoare annotation was computed. [2022-11-03 02:13:43,919 INFO L899 garLoopResultBuilder]: For program point L8061(lines 8061 8065) no Hoare annotation was computed. [2022-11-03 02:13:43,919 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-03 02:13:43,919 INFO L902 garLoopResultBuilder]: At program point ldv_memsetENTRY(lines 7060 7067) the Hoare annotation is: true [2022-11-03 02:13:43,919 INFO L899 garLoopResultBuilder]: For program point ldv_memsetEXIT(lines 7060 7067) no Hoare annotation was computed. [2022-11-03 02:13:43,919 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_i2c_mutex_of_dvb_usb_deviceEXIT(lines 8420 8430) no Hoare annotation was computed. [2022-11-03 02:13:43,920 INFO L899 garLoopResultBuilder]: For program point L8423-1(lines 8423 8426) no Hoare annotation was computed. [2022-11-03 02:13:43,920 INFO L899 garLoopResultBuilder]: For program point L8423(lines 8423 8426) no Hoare annotation was computed. [2022-11-03 02:13:43,920 INFO L895 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))) [2022-11-03 02:13:43,920 INFO L895 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))) [2022-11-03 02:13:43,924 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:13:43,926 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:13:43,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:13:43 BoogieIcfgContainer [2022-11-03 02:13:43,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:13:43,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:13:43,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:13:43,958 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:13:43,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:49" (3/4) ... [2022-11-03 02:13:43,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:13:43,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2022-11-03 02:13:43,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_i2c_xfer [2022-11-03 02:13:43,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_power_ctrl [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-03 02:13:43,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_xilinx_rw [2022-11-03 02:13:43,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2022-11-03 02:13:43,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_transfer [2022-11-03 02:13:43,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_control_msg [2022-11-03 02:13:43,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2022-11-03 02:13:43,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 02:13:43,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-11-03 02:13:43,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stv0299_writereg [2022-11-03 02:13:43,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2022-11-03 02:13:43,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-03 02:13:43,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_guard [2022-11-03 02:13:43,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure opera1_rc_query [2022-11-03 02:13:43,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_interruptible [2022-11-03 02:13:43,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2022-11-03 02:13:43,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-11-03 02:13:43,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-11-03 02:13:43,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2022-11-03 02:13:43,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-03 02:13:44,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-03 02:13:44,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 02:13:44,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:13:44,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:13:44,049 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) [2022-11-03 02:13:44,049 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) [2022-11-03 02:13:44,050 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) [2022-11-03 02:13:44,050 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) [2022-11-03 02:13:44,050 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) [2022-11-03 02:13:44,051 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) [2022-11-03 02:13:44,053 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) [2022-11-03 02:13:44,053 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) [2022-11-03 02:13:44,053 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) [2022-11-03 02:13:44,055 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) [2022-11-03 02:13:44,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:13:44,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:13:44,263 INFO L158 Benchmark]: Toolchain (without parser) took 68930.51ms. Allocated memory was 96.5MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 53.7MB in the beginning and 469.8MB in the end (delta: -416.1MB). Peak memory consumption was 623.6MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,264 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:13:44,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2507.56ms. Allocated memory was 96.5MB in the beginning and 209.7MB in the end (delta: 113.2MB). Free memory was 53.6MB in the beginning and 125.4MB in the end (delta: -71.8MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.82ms. Allocated memory is still 209.7MB. Free memory was 125.4MB in the beginning and 113.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,266 INFO L158 Benchmark]: Boogie Preprocessor took 182.52ms. Allocated memory is still 209.7MB. Free memory was 113.9MB in the beginning and 102.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,266 INFO L158 Benchmark]: RCFGBuilder took 11561.65ms. Allocated memory was 209.7MB in the beginning and 597.7MB in the end (delta: 388.0MB). Free memory was 102.4MB in the beginning and 509.3MB in the end (delta: -407.0MB). Peak memory consumption was 327.0MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,266 INFO L158 Benchmark]: TraceAbstraction took 54151.05ms. Allocated memory was 597.7MB in the beginning and 1.1GB in the end (delta: 541.1MB). Free memory was 509.3MB in the beginning and 499.2MB in the end (delta: 10.1MB). Peak memory consumption was 671.8MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,268 INFO L158 Benchmark]: Witness Printer took 304.65ms. Allocated memory is still 1.1GB. Free memory was 499.2MB in the beginning and 469.8MB in the end (delta: 29.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-03 02:13:44,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2507.56ms. Allocated memory was 96.5MB in the beginning and 209.7MB in the end (delta: 113.2MB). Free memory was 53.6MB in the beginning and 125.4MB in the end (delta: -71.8MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.82ms. Allocated memory is still 209.7MB. Free memory was 125.4MB in the beginning and 113.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.52ms. Allocated memory is still 209.7MB. Free memory was 113.9MB in the beginning and 102.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 11561.65ms. Allocated memory was 209.7MB in the beginning and 597.7MB in the end (delta: 388.0MB). Free memory was 102.4MB in the beginning and 509.3MB in the end (delta: -407.0MB). Peak memory consumption was 327.0MB. Max. memory is 16.1GB. * TraceAbstraction took 54151.05ms. Allocated memory was 597.7MB in the beginning and 1.1GB in the end (delta: 541.1MB). Free memory was 509.3MB in the beginning and 499.2MB in the end (delta: 10.1MB). Peak memory consumption was 671.8MB. Max. memory is 16.1GB. * Witness Printer took 304.65ms. Allocated memory is still 1.1GB. Free memory was 499.2MB in the beginning and 469.8MB in the end (delta: 29.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 54.0s, OverallIterations: 12, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 32.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 4141 SdHoareTripleChecker+Valid, 28.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4106 mSDsluCounter, 6780 SdHoareTripleChecker+Invalid, 27.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2785 mSDsCounter, 439 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1337 IncrementalHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 439 mSolverCounterUnsat, 4371 mSDtfsCounter, 1337 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 32 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: 3.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 145 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 143 LocationsWithAnnotation, 7388 PreInvPairs, 8473 NumberOfFragments, 1737 HoareAnnotationTreeSize, 7388 FomulaSimplifications, 1024 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 143 FomulaSimplificationsInter, 37093 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1669 NumberOfCodeBlocks, 1669 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1657 ConstructedInterpolants, 0 QuantifiedInterpolants, 2359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 3215/3215 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! [2022-11-03 02:13:44,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3dd09c-4efe-426b-bccf-5eb029390b66/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE