./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.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_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/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_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/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_28d3cb40-78f7-427c-9fff-3a3c89451954/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 e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 --- 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 03:51:47,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:51:47,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:51:47,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:51:47,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:51:47,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:51:47,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:51:47,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:51:47,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:51:47,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:51:47,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:51:47,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:51:47,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:51:47,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:51:47,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:51:47,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:51:47,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:51:47,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:51:47,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:51:47,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:51:47,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:51:47,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:51:47,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:51:47,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:51:47,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:51:47,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:51:47,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:51:47,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:51:47,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:51:47,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:51:47,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:51:47,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:51:47,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:51:47,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:51:47,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:51:47,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:51:47,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:51:47,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:51:47,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:51:47,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:51:47,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:51:47,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:51:47,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:51:47,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:51:47,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:51:47,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:51:47,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:51:47,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:51:47,559 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:51:47,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:51:47,560 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:51:47,560 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:51:47,560 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:51:47,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:51:47,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:51:47,561 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:51:47,561 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:51:47,561 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:51:47,562 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:51:47,562 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:51:47,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:51:47,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:51:47,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:51:47,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:51:47,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:51:47,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:51:47,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:51:47,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:51:47,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:51:47,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:51:47,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:51:47,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:51:47,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:51:47,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:51:47,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:51:47,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:51:47,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:51:47,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:51:47,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:51:47,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:51:47,567 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_28d3cb40-78f7-427c-9fff-3a3c89451954/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 [2022-11-03 03:51:47,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:51:47,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:51:47,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:51:47,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:51:47,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:51:47,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-11-03 03:51:48,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/75bd1c5ed/c01fe737780247efafec5b6091867b90/FLAGda5b82c9e [2022-11-03 03:51:49,239 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:51:49,239 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-11-03 03:51:49,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/75bd1c5ed/c01fe737780247efafec5b6091867b90/FLAGda5b82c9e [2022-11-03 03:51:49,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/75bd1c5ed/c01fe737780247efafec5b6091867b90 [2022-11-03 03:51:49,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:51:49,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:51:49,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:51:49,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:51:49,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:51:49,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:49" (1/1) ... [2022-11-03 03:51:49,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27077e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:49, skipping insertion in model container [2022-11-03 03:51:49,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:49" (1/1) ... [2022-11-03 03:51:49,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:51:49,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:51:53,518 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_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-11-03 03:51:53,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:51:53,837 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:51:54,674 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_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-11-03 03:51:54,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:51:55,030 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:51:55,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55 WrapperNode [2022-11-03 03:51:55,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:51:55,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:51:55,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:51:55,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:51:55,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,498 INFO L138 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 78, statements flattened = 4520 [2022-11-03 03:51:55,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:51:55,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:51:55,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:51:55,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:51:55,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:51:55,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:51:55,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:51:55,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:51:55,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (1/1) ... [2022-11-03 03:51:55,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:51:55,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:51:55,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:51:55,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:51:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-03 03:51:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-03 03:51:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 03:51:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:51:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:51:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-03 03:51:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-03 03:51:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-03 03:51:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-03 03:51:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_fmt [2022-11-03 03:51:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_fmt [2022-11-03 03:51:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2022-11-03 03:51:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2022-11-03 03:51:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-03 03:51:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-03 03:51:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:51:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:51:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure check_control_id [2022-11-03 03:51:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure check_control_id [2022-11-03 03:51:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 03:51:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 03:51:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:51:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-03 03:51:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-03 03:51:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency [2022-11-03 03:51:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency [2022-11-03 03:51:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 03:51:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 03:51:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-03 03:51:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-03 03:51:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:51:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:51:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:51:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_transfer_stop [2022-11-03 03:51:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_transfer_stop [2022-11-03 03:51:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 03:51:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 03:51:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:51:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:51:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-03 03:51:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-03 03:51:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_stream [2022-11-03 03:51:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_stream [2022-11-03 03:51:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2022-11-03 03:51:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2022-11-03 03:51:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:51:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_audio_std [2022-11-03 03:51:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_audio_std [2022-11-03 03:51:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:51:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2022-11-03 03:51:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2022-11-03 03:51:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:51:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:51:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:51:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:51:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2022-11-03 03:51:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2022-11-03 03:51:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_release [2022-11-03 03:51:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_release [2022-11-03 03:51:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_open [2022-11-03 03:51:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_open [2022-11-03 03:51:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 03:51:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 03:51:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-03 03:51:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-03 03:51:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2022-11-03 03:51:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2022-11-03 03:51:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:51:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:51:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-03 03:51:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-03 03:51:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 03:51:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 03:51:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2022-11-03 03:51:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2022-11-03 03:51:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:51:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:51:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 03:51:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 03:51:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:51:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:51:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:51:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:51:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-03 03:51:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-03 03:51:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 03:51:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 03:51:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-03 03:51:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-03 03:51:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb [2022-11-03 03:51:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb [2022-11-03 03:51:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:51:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:51:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:51:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:51:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-11-03 03:51:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-11-03 03:51:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 03:51:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 03:51:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_tuner [2022-11-03 03:51:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_tuner [2022-11-03 03:51:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:51:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:51:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:51:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure set_std [2022-11-03 03:51:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure set_std [2022-11-03 03:51:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:51:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2022-11-03 03:51:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2022-11-03 03:51:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:51:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:51:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:51:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2022-11-03 03:51:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2022-11-03 03:51:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:51:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:51:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 03:51:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 03:51:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-03 03:51:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-03 03:51:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2022-11-03 03:51:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2022-11-03 03:51:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 03:51:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 03:51:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:51:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:51:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:51:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:51:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:51:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_checkmode [2022-11-03 03:51:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_checkmode [2022-11-03 03:51:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-11-03 03:51:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-11-03 03:51:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-03 03:51:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-03 03:51:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2022-11-03 03:51:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2022-11-03 03:51:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:51:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2022-11-03 03:51:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2022-11-03 03:51:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:51:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:51:57,097 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:51:57,101 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:54:02,702 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:54:04,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:54:04,824 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:54:04,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:04 BoogieIcfgContainer [2022-11-03 03:54:04,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:54:04,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:54:04,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:54:04,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:54:04,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:51:49" (1/3) ... [2022-11-03 03:54:04,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc92f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:04, skipping insertion in model container [2022-11-03 03:54:04,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:55" (2/3) ... [2022-11-03 03:54:04,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc92f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:04, skipping insertion in model container [2022-11-03 03:54:04,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:04" (3/3) ... [2022-11-03 03:54:04,847 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-11-03 03:54:04,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:54:04,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:54:04,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:54:05,000 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;@52889165, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:54:05,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:54:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 674 states, 400 states have (on average 1.32) internal successors, (528), 412 states have internal predecessors, (528), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) [2022-11-03 03:54:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:54:05,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:05,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:54:05,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:05,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1312545608, now seen corresponding path program 1 times [2022-11-03 03:54:05,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:05,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231024293] [2022-11-03 03:54:05,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:05,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:54:06,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:06,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231024293] [2022-11-03 03:54:06,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231024293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:06,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:54:06,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:54:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687059294] [2022-11-03 03:54:06,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:06,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:54:06,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:06,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:54:06,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:54:06,521 INFO L87 Difference]: Start difference. First operand has 674 states, 400 states have (on average 1.32) internal successors, (528), 412 states have internal predecessors, (528), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:54:08,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:10,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:12,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:14,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:16,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:54:18,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:21,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:22,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:54:22,527 INFO L93 Difference]: Finished difference Result 1696 states and 2453 transitions. [2022-11-03 03:54:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:54:22,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-03 03:54:22,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:54:22,558 INFO L225 Difference]: With dead ends: 1696 [2022-11-03 03:54:22,559 INFO L226 Difference]: Without dead ends: 1022 [2022-11-03 03:54:22,569 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 03:54:22,573 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 590 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:54:22,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1646 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 228 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-11-03 03:54:22,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-11-03 03:54:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1018. [2022-11-03 03:54:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 620 states have (on average 1.332258064516129) internal successors, (826), 640 states have internal predecessors, (826), 305 states have call successors, (305), 99 states have call predecessors, (305), 92 states have return successors, (298), 282 states have call predecessors, (298), 295 states have call successors, (298) [2022-11-03 03:54:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1429 transitions. [2022-11-03 03:54:22,744 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1429 transitions. Word has length 10 [2022-11-03 03:54:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:54:22,744 INFO L495 AbstractCegarLoop]: Abstraction has 1018 states and 1429 transitions. [2022-11-03 03:54:22,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:54:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1429 transitions. [2022-11-03 03:54:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 03:54:22,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:22,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:54:22,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:54:22,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:22,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:22,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2032797920, now seen corresponding path program 1 times [2022-11-03 03:54:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:22,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691456376] [2022-11-03 03:54:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:22,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:54:23,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:23,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691456376] [2022-11-03 03:54:23,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691456376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:23,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:54:23,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:54:23,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870837525] [2022-11-03 03:54:23,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:23,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:54:23,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:23,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:54:23,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:54:23,604 INFO L87 Difference]: Start difference. First operand 1018 states and 1429 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:54:25,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:29,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:30,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:33,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:54:36,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:38,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:39,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:54:39,527 INFO L93 Difference]: Finished difference Result 1658 states and 2307 transitions. [2022-11-03 03:54:39,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:54:39,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-03 03:54:39,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:54:39,542 INFO L225 Difference]: With dead ends: 1658 [2022-11-03 03:54:39,543 INFO L226 Difference]: Without dead ends: 1655 [2022-11-03 03:54:39,544 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 03:54:39,546 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 829 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:54:39,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1812 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-11-03 03:54:39,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2022-11-03 03:54:39,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1646. [2022-11-03 03:54:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 999 states have (on average 1.3253253253253254) internal successors, (1324), 1024 states have internal predecessors, (1324), 489 states have call successors, (489), 165 states have call predecessors, (489), 157 states have return successors, (483), 463 states have call predecessors, (483), 478 states have call successors, (483) [2022-11-03 03:54:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2296 transitions. [2022-11-03 03:54:39,694 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2296 transitions. Word has length 11 [2022-11-03 03:54:39,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:54:39,695 INFO L495 AbstractCegarLoop]: Abstraction has 1646 states and 2296 transitions. [2022-11-03 03:54:39,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:54:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2296 transitions. [2022-11-03 03:54:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 03:54:39,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:39,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:54:39,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:54:39,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:39,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:39,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1409179317, now seen corresponding path program 1 times [2022-11-03 03:54:39,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:39,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596723652] [2022-11-03 03:54:39,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:39,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:54:40,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:40,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596723652] [2022-11-03 03:54:40,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596723652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:40,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:54:40,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:54:40,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993020594] [2022-11-03 03:54:40,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:40,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:54:40,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:40,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:54:40,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:54:40,362 INFO L87 Difference]: Start difference. First operand 1646 states and 2296 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:54:42,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:43,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:45,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:47,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:48,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:51,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:53,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:54:56,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:58,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:00,002 INFO L93 Difference]: Finished difference Result 2595 states and 3633 transitions. [2022-11-03 03:55:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-03 03:55:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:00,024 INFO L225 Difference]: With dead ends: 2595 [2022-11-03 03:55:00,025 INFO L226 Difference]: Without dead ends: 2592 [2022-11-03 03:55:00,029 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 03:55:00,034 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 836 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:00,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 1820 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 6 Unknown, 0 Unchecked, 19.5s Time] [2022-11-03 03:55:00,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2022-11-03 03:55:00,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 2581. [2022-11-03 03:55:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2581 states, 1575 states have (on average 1.3314285714285714) internal successors, (2097), 1613 states have internal predecessors, (2097), 763 states have call successors, (763), 256 states have call predecessors, (763), 242 states have return successors, (760), 721 states have call predecessors, (760), 750 states have call successors, (760) [2022-11-03 03:55:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3620 transitions. [2022-11-03 03:55:00,191 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3620 transitions. Word has length 12 [2022-11-03 03:55:00,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:00,192 INFO L495 AbstractCegarLoop]: Abstraction has 2581 states and 3620 transitions. [2022-11-03 03:55:00,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:55:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3620 transitions. [2022-11-03 03:55:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 03:55:00,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:00,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:55:00,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:55:00,194 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:00,195 INFO L85 PathProgramCache]: Analyzing trace with hash -736286397, now seen corresponding path program 1 times [2022-11-03 03:55:00,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:00,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911948215] [2022-11-03 03:55:00,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:00,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:55:01,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:01,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911948215] [2022-11-03 03:55:01,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911948215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:01,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:01,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:01,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874222148] [2022-11-03 03:55:01,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:01,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:01,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:01,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:01,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:01,051 INFO L87 Difference]: Start difference. First operand 2581 states and 3620 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:55:03,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:04,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:06,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:09,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:12,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:55:14,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:18,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:19,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:19,155 INFO L93 Difference]: Finished difference Result 3351 states and 4658 transitions. [2022-11-03 03:55:19,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:19,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-03 03:55:19,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:19,182 INFO L225 Difference]: With dead ends: 3351 [2022-11-03 03:55:19,182 INFO L226 Difference]: Without dead ends: 3348 [2022-11-03 03:55:19,185 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 03:55:19,186 INFO L413 NwaCegarLoop]: 1024 mSDtfsCounter, 907 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:19,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 1836 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 6 Unknown, 0 Unchecked, 17.9s Time] [2022-11-03 03:55:19,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2022-11-03 03:55:19,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 3334. [2022-11-03 03:55:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3334 states, 2026 states have (on average 1.324284304047384) internal successors, (2683), 2073 states have internal predecessors, (2683), 981 states have call successors, (981), 341 states have call predecessors, (981), 326 states have return successors, (978), 933 states have call predecessors, (978), 967 states have call successors, (978) [2022-11-03 03:55:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4642 transitions. [2022-11-03 03:55:19,459 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4642 transitions. Word has length 13 [2022-11-03 03:55:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 3334 states and 4642 transitions. [2022-11-03 03:55:19,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:55:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4642 transitions. [2022-11-03 03:55:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 03:55:19,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:19,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:55:19,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:55:19,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:19,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:19,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1351437490, now seen corresponding path program 1 times [2022-11-03 03:55:19,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:19,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038513680] [2022-11-03 03:55:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:19,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:55:20,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:20,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038513680] [2022-11-03 03:55:20,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038513680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:20,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:20,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:20,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804561219] [2022-11-03 03:55:20,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:20,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:20,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:20,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:20,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:20,249 INFO L87 Difference]: Start difference. First operand 3334 states and 4642 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:55:22,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:24,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:27,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:30,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:33,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:55:35,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:36,219 INFO L93 Difference]: Finished difference Result 3355 states and 4662 transitions. [2022-11-03 03:55:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:36,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-03 03:55:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:36,241 INFO L225 Difference]: With dead ends: 3355 [2022-11-03 03:55:36,242 INFO L226 Difference]: Without dead ends: 3346 [2022-11-03 03:55:36,245 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 03:55:36,246 INFO L413 NwaCegarLoop]: 1021 mSDtfsCounter, 831 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:36,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1836 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-11-03 03:55:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3346 states. [2022-11-03 03:55:36,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3346 to 3330. [2022-11-03 03:55:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3330 states, 2023 states have (on average 1.32377656945131) internal successors, (2678), 2070 states have internal predecessors, (2678), 980 states have call successors, (980), 340 states have call predecessors, (980), 326 states have return successors, (978), 933 states have call predecessors, (978), 967 states have call successors, (978) [2022-11-03 03:55:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 3330 states and 4636 transitions. [2022-11-03 03:55:36,497 INFO L78 Accepts]: Start accepts. Automaton has 3330 states and 4636 transitions. Word has length 14 [2022-11-03 03:55:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:36,499 INFO L495 AbstractCegarLoop]: Abstraction has 3330 states and 4636 transitions. [2022-11-03 03:55:36,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:55:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 4636 transitions. [2022-11-03 03:55:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:55:36,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:36,512 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:55:36,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:55:36,513 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash -73004846, now seen corresponding path program 1 times [2022-11-03 03:55:36,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:36,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393938857] [2022-11-03 03:55:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:36,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:55:37,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:37,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393938857] [2022-11-03 03:55:37,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393938857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:37,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:37,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:37,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834627983] [2022-11-03 03:55:37,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:37,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:37,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:37,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:37,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:37,538 INFO L87 Difference]: Start difference. First operand 3330 states and 4636 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:55:39,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:41,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:43,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:45,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:48,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:51,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:55:53,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:54,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:54,399 INFO L93 Difference]: Finished difference Result 3348 states and 4652 transitions. [2022-11-03 03:55:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:54,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2022-11-03 03:55:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:54,419 INFO L225 Difference]: With dead ends: 3348 [2022-11-03 03:55:54,420 INFO L226 Difference]: Without dead ends: 3340 [2022-11-03 03:55:54,423 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 03:55:54,423 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 814 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:54,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1834 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 16.7s Time] [2022-11-03 03:55:54,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2022-11-03 03:55:54,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 3325. [2022-11-03 03:55:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 2019 states have (on average 1.3229321446260525) internal successors, (2671), 2066 states have internal predecessors, (2671), 979 states have call successors, (979), 339 states have call predecessors, (979), 326 states have return successors, (978), 933 states have call predecessors, (978), 967 states have call successors, (978) [2022-11-03 03:55:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 4628 transitions. [2022-11-03 03:55:54,653 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 4628 transitions. Word has length 33 [2022-11-03 03:55:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:54,653 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 4628 transitions. [2022-11-03 03:55:54,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:55:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 4628 transitions. [2022-11-03 03:55:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 03:55:54,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:54,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:55:54,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:55:54,657 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:54,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:54,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2002726904, now seen corresponding path program 1 times [2022-11-03 03:55:54,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:54,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19208815] [2022-11-03 03:55:54,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:54,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:55:55,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:55,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19208815] [2022-11-03 03:55:55,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19208815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:55,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:55,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534084128] [2022-11-03 03:55:55,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:55,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:55,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:55,800 INFO L87 Difference]: Start difference. First operand 3325 states and 4628 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 03:55:57,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:01,003 WARN L539 Checker$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 03:56:03,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:06,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:07,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:56:10,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:10,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:56:10,689 INFO L93 Difference]: Finished difference Result 3423 states and 4733 transitions. [2022-11-03 03:56:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:56:10,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-11-03 03:56:10,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:56:10,708 INFO L225 Difference]: With dead ends: 3423 [2022-11-03 03:56:10,709 INFO L226 Difference]: Without dead ends: 3420 [2022-11-03 03:56:10,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:56:10,712 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 289 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:56:10,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1465 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2022-11-03 03:56:10,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2022-11-03 03:56:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 3420. [2022-11-03 03:56:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3420 states, 2077 states have (on average 1.319210399614829) internal successors, (2740), 2126 states have internal predecessors, (2740), 994 states have call successors, (994), 362 states have call predecessors, (994), 348 states have return successors, (993), 947 states have call predecessors, (993), 982 states have call successors, (993) [2022-11-03 03:56:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 4727 transitions. [2022-11-03 03:56:10,983 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 4727 transitions. Word has length 40 [2022-11-03 03:56:10,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:56:10,984 INFO L495 AbstractCegarLoop]: Abstraction has 3420 states and 4727 transitions. [2022-11-03 03:56:10,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 03:56:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 4727 transitions. [2022-11-03 03:56:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 03:56:10,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:56:10,989 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:56:10,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:56:10,989 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:56:10,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:56:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1301002970, now seen corresponding path program 1 times [2022-11-03 03:56:10,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:56:10,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013786581] [2022-11-03 03:56:10,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:10,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:56:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:56:11,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:56:11,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013786581] [2022-11-03 03:56:11,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013786581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:56:11,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:56:11,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:56:11,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829366411] [2022-11-03 03:56:11,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:56:11,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:56:11,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:56:11,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:56:11,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:56:11,798 INFO L87 Difference]: Start difference. First operand 3420 states and 4727 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:56:13,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:16,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:19,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:21,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:56:24,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:26,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:29,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:30,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:56:30,082 INFO L93 Difference]: Finished difference Result 4778 states and 6730 transitions. [2022-11-03 03:56:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:56:30,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-11-03 03:56:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:56:30,122 INFO L225 Difference]: With dead ends: 4778 [2022-11-03 03:56:30,122 INFO L226 Difference]: Without dead ends: 4774 [2022-11-03 03:56:30,126 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 03:56:30,127 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 462 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:56:30,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1648 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 228 Invalid, 7 Unknown, 0 Unchecked, 18.1s Time] [2022-11-03 03:56:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4774 states. [2022-11-03 03:56:30,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4774 to 4666. [2022-11-03 03:56:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4666 states, 2913 states have (on average 1.3470648815653965) internal successors, (3924), 2982 states have internal predecessors, (3924), 1313 states have call successors, (1313), 457 states have call predecessors, (1313), 439 states have return successors, (1324), 1247 states have call predecessors, (1324), 1301 states have call successors, (1324) [2022-11-03 03:56:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4666 states and 6561 transitions. [2022-11-03 03:56:30,442 INFO L78 Accepts]: Start accepts. Automaton has 4666 states and 6561 transitions. Word has length 55 [2022-11-03 03:56:30,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:56:30,442 INFO L495 AbstractCegarLoop]: Abstraction has 4666 states and 6561 transitions. [2022-11-03 03:56:30,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:56:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4666 states and 6561 transitions. [2022-11-03 03:56:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 03:56:30,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:56:30,448 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:56:30,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:56:30,449 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:56:30,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:56:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1677796670, now seen corresponding path program 1 times [2022-11-03 03:56:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:56:30,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259864587] [2022-11-03 03:56:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:56:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:56:31,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:56:31,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259864587] [2022-11-03 03:56:31,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259864587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:56:31,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:56:31,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:56:31,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637395046] [2022-11-03 03:56:31,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:56:31,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:56:31,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:56:31,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:56:31,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:56:31,335 INFO L87 Difference]: Start difference. First operand 4666 states and 6561 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:56:33,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:37,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:39,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:56:41,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:43,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:45,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:46,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:56:48,315 INFO L93 Difference]: Finished difference Result 6138 states and 8657 transitions. [2022-11-03 03:56:48,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:56:48,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2022-11-03 03:56:48,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:56:48,350 INFO L225 Difference]: With dead ends: 6138 [2022-11-03 03:56:48,350 INFO L226 Difference]: Without dead ends: 6135 [2022-11-03 03:56:48,354 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 03:56:48,355 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 795 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:56:48,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 1817 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 16.8s Time] [2022-11-03 03:56:48,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2022-11-03 03:56:48,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 6120. [2022-11-03 03:56:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6120 states, 3838 states have (on average 1.3522668056279312) internal successors, (5190), 3928 states have internal predecessors, (5190), 1715 states have call successors, (1715), 591 states have call predecessors, (1715), 566 states have return successors, (1734), 1627 states have call predecessors, (1734), 1701 states have call successors, (1734) [2022-11-03 03:56:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 8639 transitions. [2022-11-03 03:56:48,700 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 8639 transitions. Word has length 56 [2022-11-03 03:56:48,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:56:48,701 INFO L495 AbstractCegarLoop]: Abstraction has 6120 states and 8639 transitions. [2022-11-03 03:56:48,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:56:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 8639 transitions. [2022-11-03 03:56:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 03:56:48,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:56:48,707 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:56:48,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:56:48,707 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:56:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:56:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash -473494615, now seen corresponding path program 1 times [2022-11-03 03:56:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:56:48,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384278254] [2022-11-03 03:56:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:56:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:56:49,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:56:49,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384278254] [2022-11-03 03:56:49,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384278254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:56:49,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:56:49,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:56:49,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337470389] [2022-11-03 03:56:49,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:56:49,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:56:49,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:56:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:56:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:56:49,508 INFO L87 Difference]: Start difference. First operand 6120 states and 8639 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:56:51,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:54,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:57,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:00,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:03,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:57:06,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:06,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:06,745 INFO L93 Difference]: Finished difference Result 6265 states and 8812 transitions. [2022-11-03 03:57:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:06,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2022-11-03 03:57:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:06,779 INFO L225 Difference]: With dead ends: 6265 [2022-11-03 03:57:06,780 INFO L226 Difference]: Without dead ends: 6262 [2022-11-03 03:57:06,783 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 03:57:06,784 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 880 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:06,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 1825 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2022-11-03 03:57:06,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2022-11-03 03:57:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 6251. [2022-11-03 03:57:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6251 states, 3914 states have (on average 1.3495145631067962) internal successors, (5282), 4007 states have internal predecessors, (5282), 1749 states have call successors, (1749), 610 states have call predecessors, (1749), 587 states have return successors, (1768), 1661 states have call predecessors, (1768), 1735 states have call successors, (1768) [2022-11-03 03:57:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6251 states to 6251 states and 8799 transitions. [2022-11-03 03:57:07,160 INFO L78 Accepts]: Start accepts. Automaton has 6251 states and 8799 transitions. Word has length 57 [2022-11-03 03:57:07,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:07,161 INFO L495 AbstractCegarLoop]: Abstraction has 6251 states and 8799 transitions. [2022-11-03 03:57:07,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:57:07,161 INFO L276 IsEmpty]: Start isEmpty. Operand 6251 states and 8799 transitions. [2022-11-03 03:57:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 03:57:07,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:07,167 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:57:07,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:57:07,168 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:57:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:07,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1794831707, now seen corresponding path program 1 times [2022-11-03 03:57:07,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:07,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778609331] [2022-11-03 03:57:07,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:07,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:57:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:57:07,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:57:07,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778609331] [2022-11-03 03:57:07,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778609331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:57:07,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:57:07,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:57:07,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110857137] [2022-11-03 03:57:07,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:57:07,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:57:07,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:57:07,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:57:07,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:07,921 INFO L87 Difference]: Start difference. First operand 6251 states and 8799 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:57:10,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:11,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:14,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:16,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:19,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:57:21,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:57:23,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:25,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:27,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:27,161 INFO L93 Difference]: Finished difference Result 10410 states and 14716 transitions. [2022-11-03 03:57:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:27,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2022-11-03 03:57:27,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:27,208 INFO L225 Difference]: With dead ends: 10410 [2022-11-03 03:57:27,208 INFO L226 Difference]: Without dead ends: 10407 [2022-11-03 03:57:27,212 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 03:57:27,213 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 798 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:27,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1822 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 6 Unknown, 0 Unchecked, 18.8s Time] [2022-11-03 03:57:27,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10407 states. [2022-11-03 03:57:27,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10407 to 10374. [2022-11-03 03:57:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10374 states, 6522 states have (on average 1.3560257589696412) internal successors, (8844), 6687 states have internal predecessors, (8844), 2896 states have call successors, (2896), 995 states have call predecessors, (2896), 955 states have return successors, (2939), 2736 states have call predecessors, (2939), 2878 states have call successors, (2939) [2022-11-03 03:57:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10374 states to 10374 states and 14679 transitions. [2022-11-03 03:57:27,793 INFO L78 Accepts]: Start accepts. Automaton has 10374 states and 14679 transitions. Word has length 58 [2022-11-03 03:57:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:27,795 INFO L495 AbstractCegarLoop]: Abstraction has 10374 states and 14679 transitions. [2022-11-03 03:57:27,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:57:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 10374 states and 14679 transitions. [2022-11-03 03:57:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-03 03:57:27,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:27,800 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:57:27,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 03:57:27,801 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:57:27,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash 193396268, now seen corresponding path program 1 times [2022-11-03 03:57:27,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:27,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759602289] [2022-11-03 03:57:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:27,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:57:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:57:28,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:57:28,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759602289] [2022-11-03 03:57:28,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759602289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:57:28,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:57:28,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:57:28,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573413719] [2022-11-03 03:57:28,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:57:28,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:57:28,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:57:28,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:57:28,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:28,531 INFO L87 Difference]: Start difference. First operand 10374 states and 14679 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:57:30,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:33,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:36,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:57:38,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:40,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:44,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:57:45,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:45,032 INFO L93 Difference]: Finished difference Result 10394 states and 14698 transitions. [2022-11-03 03:57:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:45,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2022-11-03 03:57:45,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:45,077 INFO L225 Difference]: With dead ends: 10394 [2022-11-03 03:57:45,077 INFO L226 Difference]: Without dead ends: 10385 [2022-11-03 03:57:45,083 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 03:57:45,084 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 874 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:45,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 1834 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 228 Invalid, 4 Unknown, 0 Unchecked, 16.1s Time] [2022-11-03 03:57:45,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10385 states. [2022-11-03 03:57:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10385 to 10371. [2022-11-03 03:57:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10371 states, 6520 states have (on average 1.355368098159509) internal successors, (8837), 6685 states have internal predecessors, (8837), 2895 states have call successors, (2895), 994 states have call predecessors, (2895), 955 states have return successors, (2939), 2736 states have call predecessors, (2939), 2878 states have call successors, (2939) [2022-11-03 03:57:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10371 states to 10371 states and 14671 transitions. [2022-11-03 03:57:45,631 INFO L78 Accepts]: Start accepts. Automaton has 10371 states and 14671 transitions. Word has length 59 [2022-11-03 03:57:45,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:45,631 INFO L495 AbstractCegarLoop]: Abstraction has 10371 states and 14671 transitions. [2022-11-03 03:57:45,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:57:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 10371 states and 14671 transitions. [2022-11-03 03:57:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-03 03:57:45,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:45,637 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:57:45,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 03:57:45,637 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:57:45,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:45,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1604964075, now seen corresponding path program 1 times [2022-11-03 03:57:45,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:45,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737965149] [2022-11-03 03:57:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:58:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:58:02,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:58:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:58:06,590 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:58:06,590 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:58:06,592 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:58:06,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 03:58:06,597 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:58:06,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:58:06,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:58:06 BoogieIcfgContainer [2022-11-03 03:58:06,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:58:06,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:58:06,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:58:06,872 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:58:06,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:04" (3/4) ... [2022-11-03 03:58:06,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:58:06,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:58:06,879 INFO L158 Benchmark]: Toolchain (without parser) took 377314.27ms. Allocated memory was 104.9MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 59.8MB in the beginning and 486.8MB in the end (delta: -426.9MB). Peak memory consumption was 864.0MB. Max. memory is 16.1GB. [2022-11-03 03:58:06,879 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:58:06,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5464.31ms. Allocated memory was 104.9MB in the beginning and 220.2MB in the end (delta: 115.3MB). Free memory was 59.8MB in the beginning and 138.3MB in the end (delta: -78.5MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2022-11-03 03:58:06,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 467.29ms. Allocated memory is still 220.2MB. Free memory was 138.3MB in the beginning and 102.7MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-03 03:58:06,881 INFO L158 Benchmark]: Boogie Preprocessor took 367.37ms. Allocated memory was 220.2MB in the beginning and 302.0MB in the end (delta: 81.8MB). Free memory was 102.7MB in the beginning and 196.6MB in the end (delta: -94.0MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-03 03:58:06,881 INFO L158 Benchmark]: RCFGBuilder took 128960.66ms. Allocated memory was 302.0MB in the beginning and 966.8MB in the end (delta: 664.8MB). Free memory was 196.6MB in the beginning and 666.3MB in the end (delta: -469.7MB). Peak memory consumption was 602.4MB. Max. memory is 16.1GB. [2022-11-03 03:58:06,882 INFO L158 Benchmark]: TraceAbstraction took 242038.56ms. Allocated memory was 966.8MB in the beginning and 1.4GB in the end (delta: 429.9MB). Free memory was 665.2MB in the beginning and 486.8MB in the end (delta: 178.5MB). Peak memory consumption was 680.4MB. Max. memory is 16.1GB. [2022-11-03 03:58:06,882 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 1.4GB. Free memory is still 486.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:58:06,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5464.31ms. Allocated memory was 104.9MB in the beginning and 220.2MB in the end (delta: 115.3MB). Free memory was 59.8MB in the beginning and 138.3MB in the end (delta: -78.5MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 467.29ms. Allocated memory is still 220.2MB. Free memory was 138.3MB in the beginning and 102.7MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 367.37ms. Allocated memory was 220.2MB in the beginning and 302.0MB in the end (delta: 81.8MB). Free memory was 102.7MB in the beginning and 196.6MB in the end (delta: -94.0MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * RCFGBuilder took 128960.66ms. Allocated memory was 302.0MB in the beginning and 966.8MB in the end (delta: 664.8MB). Free memory was 196.6MB in the beginning and 666.3MB in the end (delta: -469.7MB). Peak memory consumption was 602.4MB. Max. memory is 16.1GB. * TraceAbstraction took 242038.56ms. Allocated memory was 966.8MB in the beginning and 1.4GB in the end (delta: 429.9MB). Free memory was 665.2MB in the beginning and 486.8MB in the end (delta: 178.5MB). Peak memory consumption was 680.4MB. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 1.4GB. Free memory is still 486.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 11827]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5532, overapproximation of bitwiseOr at line 6403, overapproximation of bitwiseAnd at line 10918. Possible FailurePath: [L5531] static int usb_transfer_mode ; [L5532-L5533] static struct poseidon_format const poseidon_formats[2U] = { {(char *)"YUV 422", 1448695129, 16, 0}, {(char *)"RGB565", 1346520914, 16, 0}}; [L5534-L5552] static struct poseidon_tvnorm const poseidon_tvnorms[18U] = { {32ULL, {'P', 'A', 'L', '-', 'D', '\000'}, 32U}, {1ULL, {'P', 'A', 'L', '-', 'B', '\000'}, 16U}, {4ULL, {'P', 'A', 'L', '-', 'G', '\000'}, 64U}, {8ULL, {'P', 'A', 'L', '-', 'H', '\000'}, 128U}, {16ULL, {'P', 'A', 'L', '-', 'I', '\000'}, 256U}, {256ULL, {'P', 'A', 'L', '-', 'M', '\000'}, 512U}, {512ULL, {'P', 'A', 'L', '-', 'N', '\000'}, 1048576U}, {1024ULL, {'P', 'A', 'L', '-', 'N', 'c', '\000'}, 1048576U}, {4096ULL, {'N', 'T', 'S', 'C', '-', 'M', '\000'}, 1U}, {8192ULL, {'N', 'T', 'S', 'C', '-', 'J', 'P', '\000'}, 2U}, {65536ULL, {'S', 'E', 'C', 'A', 'M', '-', 'B', '\000'}, 4096U}, {131072ULL, {'S', 'E', 'C', 'A', 'M', '-', 'D', '\000'}, 8192U}, {262144ULL, {'S', 'E', 'C', 'A', 'M', '-', 'G', '\000'}, 16384U}, {524288ULL, {'S', 'E', 'C', 'A', 'M', '-', 'H', '\000'}, 32768U}, {1048576ULL, {'S', 'E', 'C', 'A', 'M', '-', 'K', '\000'}, 65536U}, {2097152ULL, {'S', 'E', 'C', 'A', 'M', '-', 'K', '1', '\000'}, 131072U}, {4194304ULL, {'S', 'E', 'C', 'A', 'M', '-', 'L', '\000'}, 262144U}, {8388608ULL, {'S', 'E', 'C', 'A', 'M', '-', 'L', 'C', '\000'}, 524288U}}; [L5553] static unsigned int const POSEIDON_TVNORMS = 18U; [L5554-L5558] static struct pd_audio_mode const pd_audio_modes[5U] = { {1U, 1U, 0U}, {2U, 2U, 1U}, {16U, 8U, 3U}, {32U, 4U, 2U}, {64U, 8U, 4U}}; [L5559] static unsigned int const POSEIDON_AUDIOMODS = 5U; [L5560-L5563] static struct pd_input const pd_inputs[4U] = { {(char *)"TV Antenna", 1U}, {(char *)"TV Cable", 2U}, {(char *)"TV SVideo", 4U}, {(char *)"TV Composite", 8U}}; [L5564] static unsigned int const POSEIDON_INPUTS = 4U; [L5565-L5571] static struct poseidon_control controls[4U] = { {{9963776U, 1, {'b', 'r', 'i', 'g', 'h', 't', 'n', 'e', 's', 's', '\000'}, 0, 10000, 1, 100, 0U, {0U, 0U}}, 1}, {{9963777U, 1, {'c', 'o', 'n', 't', 'r', 'a', 's', 't', '\000'}, 0, 10000, 1, 100, 0U, {0U, 0U}}, 2}, {{9963779U, 1, {'h', 'u', 'e', '\000'}, 0, 10000, 1, 100, 0U, {0U, 0U}}, 3}, {{9963778U, 1, {'s', 'a', 't', 'u', 'r', 'a', 't', 'i', 'o', 'n', '\000'}, 0, 10000, 1, 100, 0U, {0U, 0U}}, 4}}; [L5572-L5574] static struct video_std_to_audio_std const video_to_audio_map[3U] = { {4325425ULL, 2}, {4864ULL, 8}, {8192ULL, 4}}; [L5575] static unsigned int const map_size = 3U; [L6329] static struct videobuf_queue_ops pd_video_qops = {& pd_buf_setup, & pd_buf_prepare, & pd_buf_queue, & pd_buf_release}; [L7513-L7515] static struct v4l2_file_operations const pd_video_fops = {& __this_module, & pd_video_read, 0, & pd_video_poll, & video_ioctl2, 0, & pd_video_mmap, & pd_video_open, & pd_video_release}; [L7516-L7525] static struct v4l2_ioctl_ops const pd_video_ioctl_ops = {& vidioc_querycap, 0, 0, & vidioc_enum_fmt, 0, 0, 0, & vidioc_g_fmt, 0, 0, 0, & vidioc_g_fmt_vbi, 0, 0, 0, 0, & vidioc_s_fmt, 0, 0, 0, 0, 0, 0, 0, 0, & vidioc_try_fmt, 0, 0, 0, 0, 0, 0, 0, 0, & vidioc_reqbufs, & vidioc_querybuf, & vidioc_qbuf, & vidioc_dqbuf, 0, 0, 0, & vidioc_streamon, & vidioc_streamoff, 0, & vidioc_s_std, 0, & vidioc_enum_input, & vidioc_g_input, & vidioc_s_input, 0, 0, 0, & vidioc_queryctrl, & vidioc_g_ctrl, & vidioc_s_ctrl, 0, 0, 0, 0, & vidioc_enumaudio, & vidioc_g_audio, & vidioc_s_audio, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & vidioc_g_tuner, & vidioc_s_tuner, & vidioc_g_frequency, & vidioc_s_frequency, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L7526-L7622] static struct video_device pd_video_template = {& pd_video_fops, {0, 0, {0, {0, 0}, 0, 0, 0, 0, {{0}}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0, 0, {{0}, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 0, 0, {0, {0, 0}, 0, 0, 0UL}}, 0, 0, 0, {{0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0U, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}, 0, {{0, 0}, 0UL, 0, 0, 0UL, 0, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {0, {0, 0}, 0, 0, 0UL}}, 0UL, {{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {0}, {0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0, 0, 0, 0, 0UL, 0UL, 0UL, 0UL}, 0, 0, 0ULL, 0, {0, 0}, 0, {0, 0, 0}, 0U, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0, {0, 0}, {{0}}}, 0, 0, 0}, 0, 0, 0, 0, {'T', 'e', 'l', 'e', 'g', 'e', 'n', 't', '-', 'V', 'i', 'd', 'e', 'o', '\000'}, 0, -1, (unsigned short)0, 0UL, 0, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 16777215ULL, 0ULL, & video_device_release, & pd_video_ioctl_ops, 0}; [L7717] int LDV_IN_INTERRUPT ; [L8257-L8258] static struct snd_pcm_hardware snd_pd_hw_capture = {65795U, 4ULL, 128U, 48000U, 48000U, 2U, 2U, 32768UL, 8192UL, 8192UL, 4U, 4U, 0UL}; [L8553-L8556] static struct snd_pcm_ops pcm_capture_ops = {& snd_pd_capture_open, & snd_pd_pcm_close, & snd_pcm_lib_ioctl, & snd_pd_hw_capture_params, & snd_pd_hw_capture_free, & snd_pd_prepare, & snd_pd_capture_trigger, & snd_pd_capture_pointer, 0, 0, & snd_pcm_pd_get_page, 0, 0}; [L8841-L8843] static int dvb_bandwidth[3U][2U] = { { 8, 0}, { 7, 1}, { 6, 2}}; [L8844] static int dvb_bandwidth_length = 3; [L9264-L9287] static struct dvb_frontend_ops poseidon_frontend_ops = {{{'P', 'o', 's', 'e', 'i', 'd', 'o', 'n', ' ', 'D', 'V', 'B', '-', 'T', '\000'}, 2, 174000000U, 862000000U, 62500U, 0U, 0U, 0U, 0U, 0U, 1075523247}, & poseidon_fe_release, 0, & poseidon_fe_init, & poseidon_fe_sleep, 0, 0, 0, & poseidon_set_fe, & poseidon_fe_get_tune_settings, & poseidon_get_fe, & poseidon_read_status, & poseidon_read_ber, & poseidon_read_signal_strength, & poseidon_read_snr, & poseidon_read_unc_blocks, 0, 0, 0, 0, 0, 0, 0, 0, 0, & poseidon_ts_bus_ctrl, 0, 0, {{{(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0U, 0U, 0U, 0U, 0U, 0U}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {{0}, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L9491-L9493] static short adapter_nr[8U] = { -1, -1, -1, -1, -1, -1, -1, -1}; [L9923] static int preemphasis[3U] = { 0, 32, 16}; [L10107-L10108] static struct v4l2_file_operations const poseidon_fm_fops = {& __this_module, 0, 0, 0, & video_ioctl2, 0, 0, & poseidon_fm_open, & poseidon_fm_close}; [L10438-L10446] static struct v4l2_ioctl_ops const poseidon_fm_ioctl_ops = {& vidioc_querycap___0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & vidioc_g_input___0, & vidioc_s_input___0, 0, 0, 0, & tlg_fm_vidioc_queryctrl, & tlg_fm_vidioc_g_ctrl, & tlg_fm_vidioc_s_ctrl, & tlg_fm_vidioc_g_exts_ctrl, & tlg_fm_vidioc_s_exts_ctrl, 0, & tlg_fm_vidioc_querymenu, 0, & vidioc_g_audio___0, & vidioc_s_audio___0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & tlg_fm_vidioc_g_tuner, & vidioc_s_tuner___0, & fm_get_freq, & fm_set_freq, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10447-L10495] static struct video_device poseidon_fm_template = {& poseidon_fm_fops, {0, 0, {0, {0, 0}, 0, 0, 0, 0, {{0}}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0, 0, {{0}, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 0, 0, {0, {0, 0}, 0, 0, 0UL}}, 0, 0, 0, {{0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0U, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}, 0, {{0, 0}, 0UL, 0, 0, 0UL, 0, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {0, {0, 0}, 0, 0, 0UL}}, 0UL, {{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {0}, {0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0, 0, 0, 0, 0UL, 0UL, 0UL, 0UL}, 0, 0, 0ULL, 0, {0, 0}, 0, {0, 0, 0}, 0U, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0, {0, 0}, {{0}}}, 0, 0, 0}, 0, 0, 0, 0, {'T', 'e', 'l', 'e', 'g', 'e', 'n', 't', '-', 'R', 'a', 'd', 'i', 'o', '\000'}, 0, -1, (unsigned short)0, 0UL, 0, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 0ULL, 0ULL, & video_device_release, & poseidon_fm_ioctl_ops, 0}; [L10865] int debug_mode ; [L10866-L10869] static struct usb_device_id id_table[3U] = { {899U, 6948U, 16385U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 1U, 0U, 0UL}, {899U, 6948U, 16385U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 1U, 1U, 0UL}}; [L10870] struct usb_device_id const __mod_usb_device_table ; [L10871] static char const *firmware_name = "tlg2300_firmware.bin"; [L10873] static struct list_head pd_device_list = {& pd_device_list, & pd_device_list}; [L11184] static struct notifier_block pm_notifer = {& pm_notifier_block, 0, 0}; [L11625-L11637] static struct usb_driver poseidon_driver = {"poseidon", & poseidon_probe, & poseidon_disconnect, 0, & poseidon_suspend, & poseidon_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0}; [L11837] static int ldv_mutex_lock_of_poseidon ; [L11944] static int ldv_mutex_mutex_of_device ; [L12051] static int ldv_mutex_pm_mutex ; [L12158] static int ldv_mutex_power_lock_of_snd_card ; [L12265] static int ldv_mutex_vb_lock_of_videobuf_queue ; [L7720] struct videobuf_queue *var_group1 ; [L7721] unsigned int *var_pd_buf_setup_24_p1 ; [L7722] unsigned int *var_pd_buf_setup_24_p2 ; [L7723] struct videobuf_buffer *var_group2 ; [L7724] enum v4l2_field var_pd_buf_prepare_21_p2 ; [L7725] struct file *var_group3 ; [L7726] int res_pd_video_open_64 ; [L7727] char *var_pd_video_read_68_p1 ; [L7728] size_t var_pd_video_read_68_p2 ; [L7729] loff_t *var_pd_video_read_68_p3 ; [L7730] poll_table *var_pd_video_poll_67_p1 ; [L7731] struct vm_area_struct *var_group4 ; [L7732] void *var_vidioc_querycap_1_p1 ; [L7733] struct v4l2_capability *var_vidioc_querycap_1_p2 ; [L7734] void *var_vidioc_g_fmt_26_p1 ; [L7735] struct v4l2_format *var_vidioc_g_fmt_26_p2 ; [L7736] void *var_vidioc_enum_fmt_25_p1 ; [L7737] struct v4l2_fmtdesc *var_vidioc_enum_fmt_25_p2 ; [L7738] void *var_vidioc_s_fmt_29_p1 ; [L7739] struct v4l2_format *var_vidioc_s_fmt_29_p2 ; [L7740] void *var_vidioc_g_fmt_vbi_30_p1 ; [L7741] struct v4l2_format *var_vidioc_g_fmt_vbi_30_p2 ; [L7742] void *var_vidioc_try_fmt_27_p1 ; [L7743] struct v4l2_format *var_vidioc_try_fmt_27_p2 ; [L7744] void *var_vidioc_g_input_34_p1 ; [L7745] unsigned int *var_vidioc_g_input_34_p2 ; [L7746] void *var_vidioc_s_input_35_p1 ; [L7747] unsigned int var_vidioc_s_input_35_p2 ; [L7748] void *var_vidioc_enum_input_33_p1 ; [L7749] struct v4l2_input *var_vidioc_enum_input_33_p2 ; [L7750] void *var_vidioc_enumaudio_40_p1 ; [L7751] struct v4l2_audio *var_vidioc_enumaudio_40_p2 ; [L7752] void *var_vidioc_g_audio_41_p1 ; [L7753] struct v4l2_audio *var_vidioc_g_audio_41_p2 ; [L7754] void *var_vidioc_s_audio_42_p1 ; [L7755] struct v4l2_audio *var_vidioc_s_audio_42_p2 ; [L7756] void *var_vidioc_g_tuner_43_p1 ; [L7757] struct v4l2_tuner *var_vidioc_g_tuner_43_p2 ; [L7758] void *var_vidioc_s_tuner_45_p1 ; [L7759] struct v4l2_tuner *var_vidioc_s_tuner_45_p2 ; [L7760] void *var_vidioc_s_std_32_p1 ; [L7761] v4l2_std_id *var_vidioc_s_std_32_p2 ; [L7762] void *var_vidioc_g_frequency_46_p1 ; [L7763] struct v4l2_frequency *var_vidioc_g_frequency_46_p2 ; [L7764] void *var_vidioc_s_frequency_48_p1 ; [L7765] struct v4l2_frequency *var_vidioc_s_frequency_48_p2 ; [L7766] void *var_vidioc_reqbufs_49_p1 ; [L7767] struct v4l2_requestbuffers *var_vidioc_reqbufs_49_p2 ; [L7768] void *var_vidioc_querybuf_50_p1 ; [L7769] struct v4l2_buffer *var_vidioc_querybuf_50_p2 ; [L7770] void *var_vidioc_qbuf_51_p1 ; [L7771] struct v4l2_buffer *var_vidioc_qbuf_51_p2 ; [L7772] void *var_vidioc_dqbuf_52_p1 ; [L7773] struct v4l2_buffer *var_vidioc_dqbuf_52_p2 ; [L7774] void *var_vidioc_streamon_56_p1 ; [L7775] enum v4l2_buf_type var_vidioc_streamon_56_p2 ; [L7776] void *var_vidioc_streamoff_57_p1 ; [L7777] enum v4l2_buf_type var_vidioc_streamoff_57_p2 ; [L7778] void *var_vidioc_queryctrl_37_p1 ; [L7779] struct v4l2_queryctrl *var_vidioc_queryctrl_37_p2 ; [L7780] void *var_vidioc_g_ctrl_38_p1 ; [L7781] struct v4l2_control *var_vidioc_g_ctrl_38_p2 ; [L7782] void *var_vidioc_s_ctrl_39_p1 ; [L7783] struct v4l2_control *var_vidioc_s_ctrl_39_p2 ; [L7784] int ldv_s_pd_video_fops_v4l2_file_operations ; [L7785] int tmp ; [L7786] int tmp___0 ; [L7788] ldv_s_pd_video_fops_v4l2_file_operations = 0 [L7789] LDV_IN_INTERRUPT = 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=0, ldv_mutex_mutex_of_device=0, ldv_mutex_pm_mutex=0, ldv_mutex_power_lock_of_snd_card=0, ldv_mutex_vb_lock_of_videobuf_queue=0, ldv_s_pd_video_fops_v4l2_file_operations=0, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L7790] CALL ldv_initialize() VAL [\old(ldv_mutex_lock_of_poseidon)=0, \old(ldv_mutex_mutex_of_device)=0, \old(ldv_mutex_pm_mutex)=0, \old(ldv_mutex_power_lock_of_snd_card)=0, \old(ldv_mutex_vb_lock_of_videobuf_queue)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=0, ldv_mutex_mutex_of_device=0, ldv_mutex_pm_mutex=0, ldv_mutex_power_lock_of_snd_card=0, ldv_mutex_vb_lock_of_videobuf_queue=0, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L12375] ldv_mutex_lock_of_poseidon = 1 [L12376] ldv_mutex_mutex_of_device = 1 [L12377] ldv_mutex_pm_mutex = 1 [L12378] ldv_mutex_power_lock_of_snd_card = 1 [L12379] ldv_mutex_vb_lock_of_videobuf_queue = 1 [L7790] RET ldv_initialize() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, ldv_s_pd_video_fops_v4l2_file_operations=0, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L7953] tmp___0 = __VERIFIER_nondet_int() [L7954] COND TRUE tmp___0 != 0 || ldv_s_pd_video_fops_v4l2_file_operations != 0 [L7793] tmp = __VERIFIER_nondet_int() [L7795] case 0: [L7799] case 1: [L7803] case 2: [L7807] case 3: [L7811] case 4: [L7824] case 5: [L7832] case 6: [L7836] case 7: [L7840] case 8: [L7844] case 9: [L7848] case 10: [L7852] case 11: [L7856] case 12: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, ldv_s_pd_video_fops_v4l2_file_operations=0, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, tmp=12, tmp___0=-2, usb_transfer_mode=0, video_to_audio_map={186:0}] [L7857] FCALL ldv_handler_precall() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, ldv_s_pd_video_fops_v4l2_file_operations=0, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, tmp=12, tmp___0=-2, usb_transfer_mode=0, video_to_audio_map={186:0}] [L7858] CALL vidioc_s_fmt(var_group3, var_vidioc_s_fmt_29_p1, var_vidioc_s_fmt_29_p2) [L6424] struct front_face *front ; [L6425] struct poseidon *pd ; [L6427] front = (struct front_face *)fh [L6428] EXPR front->pd [L6428] pd = front->pd [L6429] (debug_mode & 4) != 0 && (unsigned int )front->type == 4U [L6429] COND FALSE !((debug_mode & 4) != 0 && (unsigned int )front->type == 4U) [L6433] (debug_mode & 8) != 0 && (unsigned int )front->type == 1U [L6433] COND FALSE !((debug_mode & 8) != 0 && (unsigned int )front->type == 1U) [L6437] EXPR f->type VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={222:541}, f={222:541}, f->type=4294967297, fh={5641488234:-4}, fh={5641488234:-4}, file={5641488253:5641488338}, file={5641488253:5641488338}, firmware_name={148:0}, front={5641488234:-4}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, printk("<7>\t[ %s : %.3d ] type : VBI\n", "vidioc_s_fmt", 841)=5641488349, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=5641488357, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6437] COND FALSE !((unsigned int )f->type != 1U) [L6441] CALL ldv_mutex_lock_7(& pd->lock) [L8019] CALL ldv_mutex_lock_lock_of_poseidon(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_poseidon)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, lock={222:239}, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11875] COND TRUE ldv_mutex_lock_of_poseidon == 1 VAL [\old(ldv_mutex_lock_of_poseidon)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, lock={222:239}, lock={222:239}, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11879] ldv_mutex_lock_of_poseidon = 2 [L8019] RET ldv_mutex_lock_lock_of_poseidon(ldv_func_arg1) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, ldv_func_arg1={222:239}, ldv_func_arg1={222:239}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L8020] FCALL mutex_lock(ldv_func_arg1) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, ldv_func_arg1={222:239}, ldv_func_arg1={222:239}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6441] RET ldv_mutex_lock_7(& pd->lock) [L6442] EXPR pd->file_for_stream VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={222:541}, f={222:541}, fh={5641488234:-4}, fh={5641488234:-4}, file={5641488253:5641488338}, file={5641488253:5641488338}, firmware_name={148:0}, front={5641488234:-4}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd->file_for_stream={0:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, printk("<7>\t[ %s : %.3d ] type : VBI\n", "vidioc_s_fmt", 841)=5641488349, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=5641488357, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6442] COND TRUE (unsigned long )pd->file_for_stream == (unsigned long )((struct file *)0) [L6443] pd->file_for_stream = file VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={222:541}, f={222:541}, fh={5641488234:-4}, fh={5641488234:-4}, file={5641488253:5641488338}, file={5641488253:5641488338}, firmware_name={148:0}, front={5641488234:-4}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, printk("<7>\t[ %s : %.3d ] type : VBI\n", "vidioc_s_fmt", 841)=5641488349, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=5641488357, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6450] CALL pd_vidioc_s_fmt(pd, & f->fmt.pix) VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6371] struct video_data *video ; [L6372] struct running_context *context ; [L6373] struct v4l2_pix_format *pix_def ; [L6374] s32 ret ; [L6375] s32 cmd_status ; [L6376] s32 vid_resol ; [L6377] int tmp ; [L6379] video = & pd->video_data [L6380] context = & video->context [L6381] pix_def = & context->pix [L6382] ret = 0 [L6383] cmd_status = 0 [L6384] EXPR pix->pixelformat [L6384] COND TRUE pix->pixelformat == 1346520914U [L6385] vid_resol = 4 VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, context={222:715}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pix={222:545}, pix={222:545}, pix_def={222:735}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, ret=0, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, vid_resol=4, video={222:707}, video_to_audio_map={186:0}] [L6390] CALL, EXPR send_set_req(pd, 21, vid_resol, & cmd_status) VAL [\old(cmdid)=21, \old(ldv_mutex_lock_of_poseidon)=2, \old(param)=4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L10876] s32 ret ; [L10877] s8 data[32U] ; [L10878] u16 lower_16 ; [L10879] u16 upper_16 ; [L10880] unsigned long __ms ; [L10881] unsigned long tmp ; [L10882] unsigned int tmp___0 ; [L10883] size_t __len ; [L10884] void *__ret ; [L10886] data[0] = (signed char)0 [L10887] data[1] = (signed char)0 [L10888] data[2] = (signed char)0 [L10889] data[3] = (signed char)0 [L10890] data[4] = (signed char)0 [L10891] data[5] = (signed char)0 [L10892] data[6] = (signed char)0 [L10893] data[7] = (signed char)0 [L10894] data[8] = (signed char)0 [L10895] data[9] = (signed char)0 [L10896] data[10] = (signed char)0 [L10897] data[11] = (signed char)0 [L10898] data[12] = (signed char)0 [L10899] data[13] = (signed char)0 [L10900] data[14] = (signed char)0 [L10901] data[15] = (signed char)0 [L10902] data[16] = (signed char)0 [L10903] data[17] = (signed char)0 [L10904] data[18] = (signed char)0 [L10905] data[19] = (signed char)0 [L10906] data[20] = (signed char)0 [L10907] data[21] = (signed char)0 [L10908] data[22] = (signed char)0 [L10909] data[23] = (signed char)0 [L10910] data[24] = (signed char)0 [L10911] data[25] = (signed char)0 [L10912] data[26] = (signed char)0 [L10913] data[27] = (signed char)0 [L10914] data[28] = (signed char)0 [L10915] data[29] = (signed char)0 [L10916] data[30] = (signed char)0 [L10917] data[31] = (signed char)0 [L10918] EXPR pd->state VAL [\old(cmdid)=21, \old(ldv_mutex_lock_of_poseidon)=2, \old(param)=4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, cmd_status={219:0}, cmdid=21, controls={185:0}, data={222:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, param=4, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd->state=5641488489, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L10918] COND TRUE (pd->state & 128U) != 0U [L10919] return (-19); [L10919] return (-19); VAL [\old(cmdid)=21, \old(ldv_mutex_lock_of_poseidon)=2, \old(param)=4, \result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, cmd_status={219:0}, cmdid=21, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, param=4, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6390] RET, EXPR send_set_req(pd, 21, vid_resol, & cmd_status) VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, context={222:715}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pix={222:545}, pix={222:545}, pix_def={222:735}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, ret=0, send_set_req(pd, 21, vid_resol, & cmd_status)=-19, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, vid_resol=4, video={222:707}, video_to_audio_map={186:0}] [L6390] ret = send_set_req(pd, 21, vid_resol, & cmd_status) [L6391] vid_resol = 1 [L6392] pix->width [L6393] case 704U: [L6394] vid_resol = 2 VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, context={222:715}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pix={222:545}, pix={222:545}, pix->width=704, pix_def={222:735}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, ret=-19, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, vid_resol=2, video={222:707}, video_to_audio_map={186:0}] [L6402] CALL, EXPR send_set_req(pd, 23, vid_resol, & cmd_status) VAL [\old(cmdid)=23, \old(ldv_mutex_lock_of_poseidon)=2, \old(param)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L10876] s32 ret ; [L10877] s8 data[32U] ; [L10878] u16 lower_16 ; [L10879] u16 upper_16 ; [L10880] unsigned long __ms ; [L10881] unsigned long tmp ; [L10882] unsigned int tmp___0 ; [L10883] size_t __len ; [L10884] void *__ret ; [L10886] data[0] = (signed char)0 [L10887] data[1] = (signed char)0 [L10888] data[2] = (signed char)0 [L10889] data[3] = (signed char)0 [L10890] data[4] = (signed char)0 [L10891] data[5] = (signed char)0 [L10892] data[6] = (signed char)0 [L10893] data[7] = (signed char)0 [L10894] data[8] = (signed char)0 [L10895] data[9] = (signed char)0 [L10896] data[10] = (signed char)0 [L10897] data[11] = (signed char)0 [L10898] data[12] = (signed char)0 [L10899] data[13] = (signed char)0 [L10900] data[14] = (signed char)0 [L10901] data[15] = (signed char)0 [L10902] data[16] = (signed char)0 [L10903] data[17] = (signed char)0 [L10904] data[18] = (signed char)0 [L10905] data[19] = (signed char)0 [L10906] data[20] = (signed char)0 [L10907] data[21] = (signed char)0 [L10908] data[22] = (signed char)0 [L10909] data[23] = (signed char)0 [L10910] data[24] = (signed char)0 [L10911] data[25] = (signed char)0 [L10912] data[26] = (signed char)0 [L10913] data[27] = (signed char)0 [L10914] data[28] = (signed char)0 [L10915] data[29] = (signed char)0 [L10916] data[30] = (signed char)0 [L10917] data[31] = (signed char)0 [L10918] EXPR pd->state VAL [\old(cmdid)=23, \old(ldv_mutex_lock_of_poseidon)=2, \old(param)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, cmd_status={219:0}, cmdid=23, controls={185:0}, data={214:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, param=2, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd->state=5641488489, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L10918] COND TRUE (pd->state & 128U) != 0U [L10919] return (-19); [L10919] return (-19); VAL [\old(cmdid)=23, \old(ldv_mutex_lock_of_poseidon)=2, \old(param)=2, \result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, cmd_status={219:0}, cmdid=23, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, param=2, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6402] RET, EXPR send_set_req(pd, 23, vid_resol, & cmd_status) VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, context={222:715}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pix={222:545}, pix={222:545}, pix->width=704, pix_def={222:735}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, ret=-19, send_set_req(pd, 23, vid_resol, & cmd_status)=-19, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, vid_resol=2, video={222:707}, video_to_audio_map={186:0}] [L6402] tmp = send_set_req(pd, 23, vid_resol, & cmd_status) [L6403] ret = tmp | ret [L6404] ret != 0 || cmd_status != 0 VAL [\old(ldv_mutex_lock_of_poseidon)=2, \read(cmd_status)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, cmd_status={219:0}, context={222:715}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pix={222:545}, pix={222:545}, pix->width=704, pix_def={222:735}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, ret=1, ret != 0 || cmd_status != 0=1, snd_pd_hw_capture={191:0}, tmp=-19, usb_transfer_mode=0, vid_resol=2, video={222:707}, video_to_audio_map={186:0}] [L6404] COND TRUE ret != 0 || cmd_status != 0 [L6405] CALL ldv_mutex_unlock_6(& pd->lock) [L8011] CALL ldv_mutex_unlock_lock_of_poseidon(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, lock={222:239}, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11936] COND TRUE ldv_mutex_lock_of_poseidon == 2 VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=2, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, lock={222:239}, lock={222:239}, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11940] ldv_mutex_lock_of_poseidon = 1 [L8011] RET ldv_mutex_unlock_lock_of_poseidon(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, ldv_func_arg1={222:239}, ldv_func_arg1={222:239}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L8012] FCALL mutex_unlock(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_poseidon)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, ldv_func_arg1={222:239}, ldv_func_arg1={222:239}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6405] RET ldv_mutex_unlock_6(& pd->lock) [L6406] return (-16); [L6406] return (-16); VAL [\old(ldv_mutex_lock_of_poseidon)=2, \result=-16, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, context={222:715}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pix={222:545}, pix={222:545}, pix->width=704, pix_def={222:735}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, POSEIDON_TVNORMS=18, poseidon_tvnorms={182:0}, preemphasis={196:0}, ret=1, snd_pd_hw_capture={191:0}, tmp=-19, usb_transfer_mode=0, vid_resol=2, video={222:707}, video_to_audio_map={186:0}] [L6450] RET pd_vidioc_s_fmt(pd, & f->fmt.pix) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={222:541}, f={222:541}, fh={5641488234:-4}, fh={5641488234:-4}, file={5641488253:5641488338}, file={5641488253:5641488338}, firmware_name={148:0}, front={5641488234:-4}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd={222:223}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pd_vidioc_s_fmt(pd, & f->fmt.pix)=-16, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, printk("<7>\t[ %s : %.3d ] type : VBI\n", "vidioc_s_fmt", 841)=5641488349, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=5641488357, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L6451] CALL ldv_mutex_unlock_9(& pd->lock) [L8035] CALL ldv_mutex_unlock_lock_of_poseidon(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_poseidon)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, lock={222:239}, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11936] COND FALSE !(ldv_mutex_lock_of_poseidon == 2) VAL [\old(ldv_mutex_lock_of_poseidon)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, lock={222:239}, lock={222:239}, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11938] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_poseidon)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] [L11827] reach_error() VAL [\old(ldv_mutex_lock_of_poseidon)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={5641488283:5641488272}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, firmware_name={148:0}, id_table={200:0}, LDV_IN_INTERRUPT=1, ldv_mutex_lock_of_poseidon=1, ldv_mutex_mutex_of_device=1, ldv_mutex_pm_mutex=1, ldv_mutex_power_lock_of_snd_card=1, ldv_mutex_vb_lock_of_videobuf_queue=1, map_size=3, pcm_capture_ops={192:0}, pd_audio_modes={183:0}, pd_device_list={201:0}, pd_inputs={184:0}, pd_video_fops={188:0}, pd_video_ioctl_ops={189:0}, pd_video_qops={187:0}, pd_video_template={190:0}, pm_notifer={202:0}, POSEIDON_AUDIOMODS=5, poseidon_driver={203:0}, poseidon_fm_fops={197:0}, poseidon_fm_ioctl_ops={198:0}, poseidon_fm_template={199:0}, poseidon_formats={181:0}, poseidon_frontend_ops={194:0}, POSEIDON_INPUTS=4, poseidon_tvnorms={182:0}, POSEIDON_TVNORMS=18, preemphasis={196:0}, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, video_to_audio_map={186:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 63 procedures, 674 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 241.6s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 206.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 mSolverCounterUnknown, 8918 SdHoareTripleChecker+Valid, 203.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8905 mSDsluCounter, 21195 SdHoareTripleChecker+Invalid, 196.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10662 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2737 IncrementalHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 11841 mSDtfsCounter, 2737 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10374occurred in iteration=11, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 250 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 18.5s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 12/12 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 03:58:07,116 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-03 03:58:07,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/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_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/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 e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 --- 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 03:58:09,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:58:09,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:58:09,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:58:09,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:58:09,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:58:09,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:58:09,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:58:09,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:58:09,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:58:09,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:58:09,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:58:09,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:58:09,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:58:09,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:58:09,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:58:09,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:58:09,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:58:09,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:58:09,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:58:09,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:58:09,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:58:09,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:58:09,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:58:09,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:58:09,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:58:09,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:58:09,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:58:09,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:58:09,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:58:09,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:58:09,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:58:09,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:58:09,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:58:09,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:58:09,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:58:09,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:58:09,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:58:09,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:58:09,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:58:09,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:58:09,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:58:09,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:58:09,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:58:09,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:58:09,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:58:09,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:58:09,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:58:09,905 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:58:09,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:58:09,906 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:58:09,906 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:58:09,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:58:09,907 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:58:09,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:58:09,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:58:09,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:58:09,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:58:09,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:58:09,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:58:09,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:58:09,909 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:58:09,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:58:09,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:58:09,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:58:09,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:58:09,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:58:09,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:58:09,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:58:09,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:58:09,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:58:09,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:58:09,912 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:58:09,913 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:58:09,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:58:09,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:58:09,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:58:09,914 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_28d3cb40-78f7-427c-9fff-3a3c89451954/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 [2022-11-03 03:58:10,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:58:10,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:58:10,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:58:10,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:58:10,419 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:58:10,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-11-03 03:58:10,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/88877d0ad/ed78841038824f4db1641587255c771a/FLAG2e8387901 [2022-11-03 03:58:11,712 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:58:11,714 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-11-03 03:58:11,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/88877d0ad/ed78841038824f4db1641587255c771a/FLAG2e8387901 [2022-11-03 03:58:12,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/data/88877d0ad/ed78841038824f4db1641587255c771a [2022-11-03 03:58:12,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:58:12,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:58:12,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:58:12,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:58:12,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:58:12,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:12" (1/1) ... [2022-11-03 03:58:12,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62967c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:12, skipping insertion in model container [2022-11-03 03:58:12,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:12" (1/1) ... [2022-11-03 03:58:12,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:58:12,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:58:16,196 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_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-11-03 03:58:16,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:16,487 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 03:58:16,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:58:17,169 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_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-11-03 03:58:17,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:17,235 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:58:17,929 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_28d3cb40-78f7-427c-9fff-3a3c89451954/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-11-03 03:58:17,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:18,247 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:58:18,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18 WrapperNode [2022-11-03 03:58:18,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:58:18,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:58:18,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:58:18,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:58:18,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:18,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:18,753 INFO L138 Inliner]: procedures = 476, calls = 4704, calls flagged for inlining = 237, calls inlined = 78, statements flattened = 4430 [2022-11-03 03:58:18,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:58:18,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:58:18,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:58:18,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:58:18,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:18,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:18,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:18,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:19,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:19,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:19,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:19,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:19,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:58:19,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:58:19,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:58:19,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:58:19,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (1/1) ... [2022-11-03 03:58:19,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:58:19,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:58:19,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:58:19,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:58:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-03 03:58:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-03 03:58:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 03:58:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:58:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:58:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-03 03:58:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-03 03:58:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-03 03:58:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-03 03:58:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_fmt [2022-11-03 03:58:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_fmt [2022-11-03 03:58:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2022-11-03 03:58:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2022-11-03 03:58:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-03 03:58:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-03 03:58:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:58:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-03 03:58:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 03:58:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 03:58:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 03:58:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure check_control_id [2022-11-03 03:58:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure check_control_id [2022-11-03 03:58:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 03:58:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 03:58:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-03 03:58:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-03 03:58:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency [2022-11-03 03:58:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency [2022-11-03 03:58:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 03:58:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 03:58:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-03 03:58:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-03 03:58:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:58:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:58:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_transfer_stop [2022-11-03 03:58:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_transfer_stop [2022-11-03 03:58:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 03:58:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 03:58:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:58:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:58:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-03 03:58:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-03 03:58:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_stream [2022-11-03 03:58:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_stream [2022-11-03 03:58:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2022-11-03 03:58:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2022-11-03 03:58:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:58:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_audio_std [2022-11-03 03:58:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_audio_std [2022-11-03 03:58:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:58:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2022-11-03 03:58:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2022-11-03 03:58:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:58:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:58:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:58:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:58:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-03 03:58:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-03 03:58:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2022-11-03 03:58:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2022-11-03 03:58:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-03 03:58:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_release [2022-11-03 03:58:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_release [2022-11-03 03:58:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_open [2022-11-03 03:58:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_open [2022-11-03 03:58:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 03:58:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 03:58:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-03 03:58:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-03 03:58:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2022-11-03 03:58:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2022-11-03 03:58:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:58:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:58:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-03 03:58:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-03 03:58:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 03:58:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 03:58:19,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-03 03:58:19,361 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2022-11-03 03:58:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2022-11-03 03:58:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:58:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:58:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 03:58:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 03:58:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 03:58:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:58:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:58:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 03:58:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 03:58:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:58:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 03:58:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:58:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-03 03:58:19,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-03 03:58:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 03:58:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 03:58:19,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-03 03:58:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-03 03:58:19,367 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb [2022-11-03 03:58:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb [2022-11-03 03:58:19,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:58:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:58:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:58:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:58:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-11-03 03:58:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-11-03 03:58:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 03:58:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 03:58:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_tuner [2022-11-03 03:58:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_tuner [2022-11-03 03:58:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:58:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:58:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:58:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_std [2022-11-03 03:58:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_std [2022-11-03 03:58:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:58:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2022-11-03 03:58:19,378 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2022-11-03 03:58:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-03 03:58:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 03:58:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 03:58:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 03:58:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:58:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:58:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:58:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2022-11-03 03:58:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2022-11-03 03:58:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:58:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:58:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 03:58:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 03:58:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-03 03:58:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-03 03:58:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2022-11-03 03:58:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2022-11-03 03:58:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 03:58:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 03:58:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:58:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:58:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-03 03:58:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-03 03:58:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-03 03:58:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-03 03:58:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:58:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:58:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_checkmode [2022-11-03 03:58:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_checkmode [2022-11-03 03:58:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-11-03 03:58:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-11-03 03:58:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-03 03:58:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-03 03:58:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2022-11-03 03:58:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2022-11-03 03:58:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2022-11-03 03:58:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2022-11-03 03:58:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:58:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:58:20,410 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:58:20,414 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:02:55,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:02:55,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:02:55,780 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 04:02:55,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:02:55 BoogieIcfgContainer [2022-11-03 04:02:55,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:02:55,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:02:55,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:02:55,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:02:55,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:58:12" (1/3) ... [2022-11-03 04:02:55,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e453aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:02:55, skipping insertion in model container [2022-11-03 04:02:55,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:18" (2/3) ... [2022-11-03 04:02:55,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e453aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:02:55, skipping insertion in model container [2022-11-03 04:02:55,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:02:55" (3/3) ... [2022-11-03 04:02:55,797 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-11-03 04:02:55,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:02:55,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:02:55,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:02:55,955 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;@1bc19149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:02:55,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:02:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 944 states, 670 states have (on average 1.3597014925373134) internal successors, (911), 682 states have internal predecessors, (911), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) [2022-11-03 04:02:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 04:02:55,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:55,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:55,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:55,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2090032356, now seen corresponding path program 1 times [2022-11-03 04:02:56,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:02:56,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637355821] [2022-11-03 04:02:56,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:56,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:02:56,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:02:56,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:02:56,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 04:03:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:03,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 4464 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:03:03,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:04,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:03:04,273 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:03:04,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637355821] [2022-11-03 04:03:04,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637355821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:04,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:04,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:04,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696000757] [2022-11-03 04:03:04,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:04,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:04,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:03:04,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:04,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:04,319 INFO L87 Difference]: Start difference. First operand has 944 states, 670 states have (on average 1.3597014925373134) internal successors, (911), 682 states have internal predecessors, (911), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:07,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:08,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:08,119 INFO L93 Difference]: Finished difference Result 1950 states and 2785 transitions. [2022-11-03 04:03:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:08,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-03 04:03:08,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:08,145 INFO L225 Difference]: With dead ends: 1950 [2022-11-03 04:03:08,145 INFO L226 Difference]: Without dead ends: 1006 [2022-11-03 04:03:08,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:08,160 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 884 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:08,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 1844 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 04:03:08,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2022-11-03 04:03:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1003. [2022-11-03 04:03:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 716 states have (on average 1.3463687150837989) internal successors, (964), 725 states have internal predecessors, (964), 214 states have call successors, (214), 74 states have call predecessors, (214), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2022-11-03 04:03:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1386 transitions. [2022-11-03 04:03:08,355 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1386 transitions. Word has length 12 [2022-11-03 04:03:08,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:08,356 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1386 transitions. [2022-11-03 04:03:08,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1386 transitions. [2022-11-03 04:03:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 04:03:08,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:08,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:08,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:08,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:03:08,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:08,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:08,578 INFO L85 PathProgramCache]: Analyzing trace with hash -367903860, now seen corresponding path program 1 times [2022-11-03 04:03:08,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:03:08,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963699063] [2022-11-03 04:03:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:08,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:03:08,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:03:08,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:03:08,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 04:03:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:16,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 4465 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:03:16,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:16,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:03:16,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:03:16,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963699063] [2022-11-03 04:03:16,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963699063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:16,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:16,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:16,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894080006] [2022-11-03 04:03:16,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:16,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:16,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:03:16,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:16,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:16,710 INFO L87 Difference]: Start difference. First operand 1003 states and 1386 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:19,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:20,205 INFO L93 Difference]: Finished difference Result 1005 states and 1387 transitions. [2022-11-03 04:03:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:20,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-03 04:03:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:20,213 INFO L225 Difference]: With dead ends: 1005 [2022-11-03 04:03:20,214 INFO L226 Difference]: Without dead ends: 1002 [2022-11-03 04:03:20,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:20,216 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 1298 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:20,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 1309 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 04:03:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-11-03 04:03:20,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2022-11-03 04:03:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 716 states have (on average 1.344972067039106) internal successors, (963), 724 states have internal predecessors, (963), 213 states have call successors, (213), 74 states have call predecessors, (213), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2022-11-03 04:03:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1384 transitions. [2022-11-03 04:03:20,289 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1384 transitions. Word has length 13 [2022-11-03 04:03:20,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:20,290 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1384 transitions. [2022-11-03 04:03:20,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1384 transitions. [2022-11-03 04:03:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 04:03:20,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:20,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:20,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:20,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:03:20,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:20,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:20,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1478476831, now seen corresponding path program 1 times [2022-11-03 04:03:20,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:03:20,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159273093] [2022-11-03 04:03:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:20,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:03:20,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:03:20,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:03:20,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 04:03:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:28,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 4466 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:03:28,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:28,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:03:28,600 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:03:28,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159273093] [2022-11-03 04:03:28,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159273093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:28,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:28,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:28,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253314101] [2022-11-03 04:03:28,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:28,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:28,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:03:28,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:28,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:28,602 INFO L87 Difference]: Start difference. First operand 1002 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:31,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:32,138 INFO L93 Difference]: Finished difference Result 1004 states and 1385 transitions. [2022-11-03 04:03:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:32,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-03 04:03:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:32,145 INFO L225 Difference]: With dead ends: 1004 [2022-11-03 04:03:32,145 INFO L226 Difference]: Without dead ends: 1001 [2022-11-03 04:03:32,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:32,148 INFO L413 NwaCegarLoop]: 1305 mSDtfsCounter, 1295 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:32,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 1307 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 04:03:32,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2022-11-03 04:03:32,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 1001. [2022-11-03 04:03:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 716 states have (on average 1.3435754189944134) internal successors, (962), 723 states have internal predecessors, (962), 212 states have call successors, (212), 74 states have call predecessors, (212), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2022-11-03 04:03:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1382 transitions. [2022-11-03 04:03:32,229 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1382 transitions. Word has length 14 [2022-11-03 04:03:32,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:32,229 INFO L495 AbstractCegarLoop]: Abstraction has 1001 states and 1382 transitions. [2022-11-03 04:03:32,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1382 transitions. [2022-11-03 04:03:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 04:03:32,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:32,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:32,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:32,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:03:32,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:32,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:32,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1413259025, now seen corresponding path program 1 times [2022-11-03 04:03:32,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:03:32,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828331484] [2022-11-03 04:03:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:32,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:03:32,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:03:32,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:03:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 04:03:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:40,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:03:40,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:41,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:03:41,024 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:03:41,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828331484] [2022-11-03 04:03:41,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828331484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:41,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:41,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694276344] [2022-11-03 04:03:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:41,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:41,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:03:41,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:41,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:41,028 INFO L87 Difference]: Start difference. First operand 1001 states and 1382 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:43,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:44,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:44,763 INFO L93 Difference]: Finished difference Result 1003 states and 1383 transitions. [2022-11-03 04:03:44,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:44,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-03 04:03:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:44,770 INFO L225 Difference]: With dead ends: 1003 [2022-11-03 04:03:44,771 INFO L226 Difference]: Without dead ends: 1000 [2022-11-03 04:03:44,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:44,776 INFO L413 NwaCegarLoop]: 1303 mSDtfsCounter, 1292 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:44,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 04:03:44,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2022-11-03 04:03:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2022-11-03 04:03:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 716 states have (on average 1.3421787709497206) internal successors, (961), 722 states have internal predecessors, (961), 211 states have call successors, (211), 74 states have call predecessors, (211), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2022-11-03 04:03:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1380 transitions. [2022-11-03 04:03:44,935 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1380 transitions. Word has length 15 [2022-11-03 04:03:44,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:44,936 INFO L495 AbstractCegarLoop]: Abstraction has 1000 states and 1380 transitions. [2022-11-03 04:03:44,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1380 transitions. [2022-11-03 04:03:44,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 04:03:44,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:44,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:45,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:45,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:03:45,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash -862752478, now seen corresponding path program 1 times [2022-11-03 04:03:45,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:03:45,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18907379] [2022-11-03 04:03:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:45,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:03:45,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:03:45,170 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:03:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 04:03:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:53,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 4468 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:03:53,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:54,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:03:54,103 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:03:54,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18907379] [2022-11-03 04:03:54,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18907379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:54,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:54,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:54,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074037340] [2022-11-03 04:03:54,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:54,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:54,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:03:54,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:54,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:54,105 INFO L87 Difference]: Start difference. First operand 1000 states and 1380 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:56,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:56,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:56,969 INFO L93 Difference]: Finished difference Result 1002 states and 1381 transitions. [2022-11-03 04:03:57,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:57,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-03 04:03:57,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:57,800 INFO L225 Difference]: With dead ends: 1002 [2022-11-03 04:03:57,800 INFO L226 Difference]: Without dead ends: 993 [2022-11-03 04:03:57,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:57,802 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1289 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:57,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 1304 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-03 04:03:57,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-11-03 04:03:57,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2022-11-03 04:03:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 711 states have (on average 1.3417721518987342) internal successors, (954), 716 states have internal predecessors, (954), 209 states have call successors, (209), 73 states have call predecessors, (209), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2022-11-03 04:03:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1371 transitions. [2022-11-03 04:03:57,915 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1371 transitions. Word has length 16 [2022-11-03 04:03:57,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:57,915 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1371 transitions. [2022-11-03 04:03:57,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:03:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1371 transitions. [2022-11-03 04:03:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 04:03:57,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:57,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:58,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:58,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:03:58,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:58,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:58,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1003721069, now seen corresponding path program 1 times [2022-11-03 04:03:58,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:03:58,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420892008] [2022-11-03 04:03:58,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:58,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:03:58,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:03:58,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:03:58,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 04:04:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:06,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 4558 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 04:04:06,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:08,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:04:08,362 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:04:08,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420892008] [2022-11-03 04:04:08,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420892008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:08,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:08,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:08,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161964688] [2022-11-03 04:04:08,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:08,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:04:08,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:08,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:08,364 INFO L87 Difference]: Start difference. First operand 993 states and 1371 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 04:04:12,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:14,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:16,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:16,556 INFO L93 Difference]: Finished difference Result 2956 states and 4083 transitions. [2022-11-03 04:04:16,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 04:04:16,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-03 04:04:16,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:16,569 INFO L225 Difference]: With dead ends: 2956 [2022-11-03 04:04:16,569 INFO L226 Difference]: Without dead ends: 1969 [2022-11-03 04:04:16,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:16,576 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1245 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 4185 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:16,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 4185 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 04:04:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-11-03 04:04:16,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1960. [2022-11-03 04:04:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1401 states have (on average 1.339043540328337) internal successors, (1876), 1413 states have internal predecessors, (1876), 415 states have call successors, (415), 143 states have call predecessors, (415), 143 states have return successors, (415), 410 states have call predecessors, (415), 413 states have call successors, (415) [2022-11-03 04:04:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2706 transitions. [2022-11-03 04:04:16,787 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2706 transitions. Word has length 51 [2022-11-03 04:04:16,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:16,788 INFO L495 AbstractCegarLoop]: Abstraction has 1960 states and 2706 transitions. [2022-11-03 04:04:16,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 04:04:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2706 transitions. [2022-11-03 04:04:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 04:04:16,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:16,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:16,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 04:04:17,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:04:17,022 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:17,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash -863172459, now seen corresponding path program 1 times [2022-11-03 04:04:17,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:04:17,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137185297] [2022-11-03 04:04:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:17,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:04:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:04:17,028 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:04:17,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 04:04:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:25,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 4556 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 04:04:25,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:27,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:04:27,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:04:27,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137185297] [2022-11-03 04:04:27,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137185297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:27,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:27,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:27,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785166546] [2022-11-03 04:04:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:27,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:27,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:04:27,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:27,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:27,602 INFO L87 Difference]: Start difference. First operand 1960 states and 2706 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 04:04:32,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:34,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:35,914 INFO L93 Difference]: Finished difference Result 3924 states and 5416 transitions. [2022-11-03 04:04:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 04:04:35,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-03 04:04:35,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:35,925 INFO L225 Difference]: With dead ends: 3924 [2022-11-03 04:04:35,926 INFO L226 Difference]: Without dead ends: 1970 [2022-11-03 04:04:35,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:35,934 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1240 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 4185 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:35,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 4185 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 04:04:35,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2022-11-03 04:04:36,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1961. [2022-11-03 04:04:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1402 states have (on average 1.3373751783166905) internal successors, (1875), 1414 states have internal predecessors, (1875), 415 states have call successors, (415), 143 states have call predecessors, (415), 143 states have return successors, (415), 410 states have call predecessors, (415), 413 states have call successors, (415) [2022-11-03 04:04:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2705 transitions. [2022-11-03 04:04:36,159 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2705 transitions. Word has length 51 [2022-11-03 04:04:36,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:36,160 INFO L495 AbstractCegarLoop]: Abstraction has 1961 states and 2705 transitions. [2022-11-03 04:04:36,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 04:04:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2705 transitions. [2022-11-03 04:04:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 04:04:36,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:36,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:36,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 04:04:36,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:04:36,390 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:36,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:36,390 INFO L85 PathProgramCache]: Analyzing trace with hash -221615915, now seen corresponding path program 1 times [2022-11-03 04:04:36,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:04:36,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618244542] [2022-11-03 04:04:36,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:36,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:04:36,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:04:36,396 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:04:36,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 04:04:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:44,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 4554 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:04:44,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:45,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:04:45,746 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:04:45,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618244542] [2022-11-03 04:04:45,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618244542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:45,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:45,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:45,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067464576] [2022-11-03 04:04:45,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:45,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:45,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:04:45,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:45,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:45,748 INFO L87 Difference]: Start difference. First operand 1961 states and 2705 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 04:04:48,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:49,644 INFO L93 Difference]: Finished difference Result 1964 states and 2707 transitions. [2022-11-03 04:04:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:49,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-03 04:04:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:49,659 INFO L225 Difference]: With dead ends: 1964 [2022-11-03 04:04:49,659 INFO L226 Difference]: Without dead ends: 1961 [2022-11-03 04:04:49,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:49,662 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 485 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:49,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2212 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 04:04:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2022-11-03 04:04:49,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1961. [2022-11-03 04:04:49,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1402 states have (on average 1.3359486447931526) internal successors, (1873), 1414 states have internal predecessors, (1873), 415 states have call successors, (415), 143 states have call predecessors, (415), 143 states have return successors, (415), 410 states have call predecessors, (415), 413 states have call successors, (415) [2022-11-03 04:04:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2703 transitions. [2022-11-03 04:04:49,889 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2703 transitions. Word has length 51 [2022-11-03 04:04:49,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:49,890 INFO L495 AbstractCegarLoop]: Abstraction has 1961 states and 2703 transitions. [2022-11-03 04:04:49,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 04:04:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2703 transitions. [2022-11-03 04:04:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 04:04:49,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:49,898 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 04:04:50,113 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-11-03 04:04:50,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 04:04:50,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:04:50,130 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:50,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 376007762, now seen corresponding path program 1 times [2022-11-03 04:04:50,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:04:50,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326064150] [2022-11-03 04:04:50,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:50,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:04:50,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:04:50,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:04:50,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 04:04:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:00,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 5182 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 04:05:00,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:05:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 04:05:02,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:05:03,760 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:05:03,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326064150] [2022-11-03 04:05:03,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326064150] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:05:03,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [764576356] [2022-11-03 04:05:03,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:03,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 04:05:03,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 04:05:03,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 04:05:03,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d3cb40-78f7-427c-9fff-3a3c89451954/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-03 04:05:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:28,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 5182 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 04:05:28,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:05:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 04:05:28,997 INFO L328 TraceCheckSpWp]: Computing backward predicates...