./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:19:50,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:19:50,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:19:50,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:19:50,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:19:50,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:19:50,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:19:50,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:19:50,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:19:50,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:19:50,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:19:50,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:19:50,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:19:50,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:19:50,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:19:50,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:19:50,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:19:50,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:19:50,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:19:50,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:19:50,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:19:50,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:19:50,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:19:50,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:19:50,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:19:50,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:19:50,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:19:50,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:19:50,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:19:50,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:19:50,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:19:50,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:19:50,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:19:50,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:19:50,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:19:50,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:19:50,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:19:50,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:19:50,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:19:50,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:19:50,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:19:50,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:19:50,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:19:50,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:19:50,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:19:50,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:19:50,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:19:50,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:19:50,887 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:19:50,888 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:19:50,888 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:19:50,888 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:19:50,889 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:19:50,889 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:19:50,889 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:19:50,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:19:50,890 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:19:50,890 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:19:50,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:19:50,891 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:19:50,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:19:50,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:19:50,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:19:50,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:19:50,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:19:50,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:19:50,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:19:50,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:19:50,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:19:50,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:19:50,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:19:50,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:19:50,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:19:50,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:19:50,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:19:50,897 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:19:50,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:19:50,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:19:50,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:19:50,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:19:50,898 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 [2021-11-23 03:19:51,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:19:51,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:19:51,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:19:51,180 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:19:51,181 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:19:51,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-23 03:19:51,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/5e54153c8/b93a9b35156c4a65a9b542d615ea1739/FLAG6cc965067 [2021-11-23 03:19:52,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:19:52,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-23 03:19:52,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/5e54153c8/b93a9b35156c4a65a9b542d615ea1739/FLAG6cc965067 [2021-11-23 03:19:52,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/5e54153c8/b93a9b35156c4a65a9b542d615ea1739 [2021-11-23 03:19:52,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:19:52,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:19:52,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:19:52,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:19:52,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:19:52,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:52,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516277f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52, skipping insertion in model container [2021-11-23 03:19:52,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:52,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:19:52,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:19:56,243 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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-23 03:19:56,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:19:56,495 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:19:57,256 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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-23 03:19:57,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:19:57,609 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:19:57,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57 WrapperNode [2021-11-23 03:19:57,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:19:57,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:19:57,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:19:57,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:19:57,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:57,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:57,994 INFO L137 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 78, statements flattened = 4520 [2021-11-23 03:19:57,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:19:57,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:19:57,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:19:57,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:19:58,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:19:58,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:19:58,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:19:58,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:19:58,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (1/1) ... [2021-11-23 03:19:58,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:19:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:19:58,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:19:58,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:19:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 03:19:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 03:19:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 03:19:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:19:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:19:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 03:19:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 03:19:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 03:19:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 03:19:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_fmt [2021-11-23 03:19:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_fmt [2021-11-23 03:19:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2021-11-23 03:19:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2021-11-23 03:19:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-23 03:19:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-23 03:19:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:19:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:19:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure check_control_id [2021-11-23 03:19:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure check_control_id [2021-11-23 03:19:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 03:19:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 03:19:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:19:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 03:19:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 03:19:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency [2021-11-23 03:19:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency [2021-11-23 03:19:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 03:19:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 03:19:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 03:19:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 03:19:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:19:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:19:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:19:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_transfer_stop [2021-11-23 03:19:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_transfer_stop [2021-11-23 03:19:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 03:19:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 03:19:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 03:19:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 03:19:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 03:19:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 03:19:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_stream [2021-11-23 03:19:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_stream [2021-11-23 03:19:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-11-23 03:19:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-11-23 03:19:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:19:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure get_audio_std [2021-11-23 03:19:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_audio_std [2021-11-23 03:19:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:19:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2021-11-23 03:19:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2021-11-23 03:19:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:19:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:19:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:19:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:19:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2021-11-23 03:19:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2021-11-23 03:19:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_release [2021-11-23 03:19:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_release [2021-11-23 03:19:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_open [2021-11-23 03:19:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_open [2021-11-23 03:19:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 03:19:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 03:19:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 03:19:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 03:19:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2021-11-23 03:19:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2021-11-23 03:19:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:19:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:19:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-23 03:19:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-23 03:19:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-23 03:19:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-23 03:19:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-11-23 03:19:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-11-23 03:19:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:19:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:19:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 03:19:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 03:19:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:19:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:19:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:19:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:19:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 03:19:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 03:19:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:19:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:19:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-23 03:19:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-23 03:19:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb [2021-11-23 03:19:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb [2021-11-23 03:19:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:19:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:19:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:19:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:19:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-23 03:19:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-23 03:19:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 03:19:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 03:19:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_tuner [2021-11-23 03:19:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_tuner [2021-11-23 03:19:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:19:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:19:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:19:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure set_std [2021-11-23 03:19:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure set_std [2021-11-23 03:19:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:19:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-11-23 03:19:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-11-23 03:19:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:19:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:19:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:19:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2021-11-23 03:19:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2021-11-23 03:19:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:19:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:19:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 03:19:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 03:19:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 03:19:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 03:19:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2021-11-23 03:19:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2021-11-23 03:19:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 03:19:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 03:19:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:19:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:19:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:19:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:19:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:19:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_checkmode [2021-11-23 03:19:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_checkmode [2021-11-23 03:19:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-23 03:19:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-23 03:19:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-23 03:19:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-23 03:19:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2021-11-23 03:19:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2021-11-23 03:19:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:19:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2021-11-23 03:19:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2021-11-23 03:19:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:19:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:19:59,263 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:19:59,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:21:49,466 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:21:51,382 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:21:51,383 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:21:51,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:51 BoogieIcfgContainer [2021-11-23 03:21:51,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:21:51,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:21:51,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:21:51,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:21:51,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:19:52" (1/3) ... [2021-11-23 03:21:51,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a7c6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:51, skipping insertion in model container [2021-11-23 03:21:51,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:57" (2/3) ... [2021-11-23 03:21:51,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a7c6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:51, skipping insertion in model container [2021-11-23 03:21:51,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:51" (3/3) ... [2021-11-23 03:21:51,403 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-23 03:21:51,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:21:51,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:21:51,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:21:51,494 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:21:51,499 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:21:51,552 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) [2021-11-23 03:21:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 03:21:51,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:21:51,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:21:51,559 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:21:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:21:51,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1312545608, now seen corresponding path program 1 times [2021-11-23 03:21:51,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:21:51,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515561365] [2021-11-23 03:21:51,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:21:51,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:21:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:21:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:21:52,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:21:52,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515561365] [2021-11-23 03:21:52,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515561365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:21:52,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:21:52,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:21:52,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375233797] [2021-11-23 03:21:52,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:21:52,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:21:52,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:21:52,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:21:52,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:21:52,718 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) [2021-11-23 03:21:54,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:21:57,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:21:59,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:03,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:04,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:22:06,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:22:09,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:22:09,903 INFO L93 Difference]: Finished difference Result 1696 states and 2453 transitions. [2021-11-23 03:22:09,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:22:09,906 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 [2021-11-23 03:22:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:22:09,935 INFO L225 Difference]: With dead ends: 1696 [2021-11-23 03:22:09,935 INFO L226 Difference]: Without dead ends: 1022 [2021-11-23 03:22:09,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:09,955 INFO L933 BasicCegarLoop]: 920 mSDtfsCounter, 589 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:22:09,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [589 Valid, 1645 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 228 Invalid, 6 Unknown, 0 Unchecked, 17.0s Time] [2021-11-23 03:22:09,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2021-11-23 03:22:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1017. [2021-11-23 03:22:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 619 states have (on average 1.332794830371567) internal successors, (825), 640 states have internal predecessors, (825), 305 states have call successors, (305), 99 states have call predecessors, (305), 92 states have return successors, (298), 281 states have call predecessors, (298), 295 states have call successors, (298) [2021-11-23 03:22:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1428 transitions. [2021-11-23 03:22:10,131 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1428 transitions. Word has length 10 [2021-11-23 03:22:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:22:10,132 INFO L470 AbstractCegarLoop]: Abstraction has 1017 states and 1428 transitions. [2021-11-23 03:22:10,132 INFO L471 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) [2021-11-23 03:22:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1428 transitions. [2021-11-23 03:22:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:22:10,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:22:10,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:22:10,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:22:10,139 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:22:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:22:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2032797920, now seen corresponding path program 1 times [2021-11-23 03:22:10,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:22:10,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421755818] [2021-11-23 03:22:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:22:10,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:22:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:22:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:22:10,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:22:10,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421755818] [2021-11-23 03:22:10,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421755818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:22:10,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:22:10,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:22:10,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589158800] [2021-11-23 03:22:10,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:22:10,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:22:10,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:22:10,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:22:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:10,683 INFO L87 Difference]: Start difference. First operand 1017 states and 1428 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) [2021-11-23 03:22:12,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:16,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:20,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:22:22,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:22:23,494 INFO L93 Difference]: Finished difference Result 1963 states and 2761 transitions. [2021-11-23 03:22:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:22:23,495 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 [2021-11-23 03:22:23,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:22:23,517 INFO L225 Difference]: With dead ends: 1963 [2021-11-23 03:22:23,518 INFO L226 Difference]: Without dead ends: 1960 [2021-11-23 03:22:23,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:23,521 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 837 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:22:23,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 1804 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2021-11-23 03:22:23,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2021-11-23 03:22:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1950. [2021-11-23 03:22:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1193 states have (on average 1.3369656328583404) internal successors, (1595), 1228 states have internal predecessors, (1595), 579 states have call successors, (579), 190 states have call predecessors, (579), 177 states have return successors, (575), 538 states have call predecessors, (575), 567 states have call successors, (575) [2021-11-23 03:22:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2749 transitions. [2021-11-23 03:22:23,655 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2749 transitions. Word has length 11 [2021-11-23 03:22:23,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:22:23,656 INFO L470 AbstractCegarLoop]: Abstraction has 1950 states and 2749 transitions. [2021-11-23 03:22:23,656 INFO L471 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) [2021-11-23 03:22:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2749 transitions. [2021-11-23 03:22:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 03:22:23,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:22:23,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:22:23,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:22:23,658 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:22:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:22:23,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1409179317, now seen corresponding path program 1 times [2021-11-23 03:22:23,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:22:23,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523989072] [2021-11-23 03:22:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:22:23,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:22:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:22:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:22:24,263 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:22:24,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523989072] [2021-11-23 03:22:24,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523989072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:22:24,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:22:24,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:22:24,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296848556] [2021-11-23 03:22:24,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:22:24,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:22:24,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:22:24,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:22:24,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:24,266 INFO L87 Difference]: Start difference. First operand 1950 states and 2749 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) [2021-11-23 03:22:26,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:27,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:30,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:33,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:36,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:22:38,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:39,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:22:39,270 INFO L93 Difference]: Finished difference Result 2895 states and 4080 transitions. [2021-11-23 03:22:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:22:39,271 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 [2021-11-23 03:22:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:22:39,296 INFO L225 Difference]: With dead ends: 2895 [2021-11-23 03:22:39,296 INFO L226 Difference]: Without dead ends: 2892 [2021-11-23 03:22:39,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:39,300 INFO L933 BasicCegarLoop]: 997 mSDtfsCounter, 830 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:22:39,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [832 Valid, 1806 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2021-11-23 03:22:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2021-11-23 03:22:39,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2881. [2021-11-23 03:22:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1766 states have (on average 1.3386183465458663) internal successors, (2364), 1816 states have internal predecessors, (2364), 852 states have call successors, (852), 281 states have call predecessors, (852), 262 states have return successors, (851), 793 states have call predecessors, (851), 838 states have call successors, (851) [2021-11-23 03:22:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4067 transitions. [2021-11-23 03:22:39,474 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4067 transitions. Word has length 12 [2021-11-23 03:22:39,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:22:39,475 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 4067 transitions. [2021-11-23 03:22:39,475 INFO L471 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) [2021-11-23 03:22:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4067 transitions. [2021-11-23 03:22:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 03:22:39,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:22:39,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:22:39,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:22:39,477 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:22:39,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:22:39,478 INFO L85 PathProgramCache]: Analyzing trace with hash -736286397, now seen corresponding path program 1 times [2021-11-23 03:22:39,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:22:39,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253877062] [2021-11-23 03:22:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:22:39,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:22:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:22:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:22:39,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:22:39,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253877062] [2021-11-23 03:22:39,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253877062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:22:39,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:22:39,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:22:39,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519488273] [2021-11-23 03:22:39,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:22:39,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:22:39,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:22:39,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:22:39,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:39,918 INFO L87 Difference]: Start difference. First operand 2881 states and 4067 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) [2021-11-23 03:22:42,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:45,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:48,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:51,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:22:53,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:22:54,270 INFO L93 Difference]: Finished difference Result 2896 states and 4081 transitions. [2021-11-23 03:22:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:22:54,270 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 [2021-11-23 03:22:54,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:22:54,296 INFO L225 Difference]: With dead ends: 2896 [2021-11-23 03:22:54,296 INFO L226 Difference]: Without dead ends: 2893 [2021-11-23 03:22:54,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:54,300 INFO L933 BasicCegarLoop]: 996 mSDtfsCounter, 827 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:22:54,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [829 Valid, 1808 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 5 Unknown, 0 Unchecked, 14.2s Time] [2021-11-23 03:22:54,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2021-11-23 03:22:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2882. [2021-11-23 03:22:54,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 1767 states have (on average 1.3384267119411433) internal successors, (2365), 1817 states have internal predecessors, (2365), 852 states have call successors, (852), 281 states have call predecessors, (852), 262 states have return successors, (851), 793 states have call predecessors, (851), 838 states have call successors, (851) [2021-11-23 03:22:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 4068 transitions. [2021-11-23 03:22:54,486 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 4068 transitions. Word has length 13 [2021-11-23 03:22:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:22:54,486 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 4068 transitions. [2021-11-23 03:22:54,487 INFO L471 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) [2021-11-23 03:22:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 4068 transitions. [2021-11-23 03:22:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 03:22:54,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:22:54,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:22:54,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:22:54,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:22:54,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:22:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1351437490, now seen corresponding path program 1 times [2021-11-23 03:22:54,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:22:54,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991256829] [2021-11-23 03:22:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:22:54,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:22:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:22:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:22:54,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:22:54,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991256829] [2021-11-23 03:22:54,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991256829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:22:54,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:22:54,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:22:54,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729621667] [2021-11-23 03:22:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:22:54,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:22:54,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:22:54,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:22:54,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:54,917 INFO L87 Difference]: Start difference. First operand 2882 states and 4068 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) [2021-11-23 03:22:57,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:00,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:01,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:04,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:06,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:23:09,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:09,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:23:09,545 INFO L93 Difference]: Finished difference Result 2897 states and 4081 transitions. [2021-11-23 03:23:09,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:23:09,546 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 [2021-11-23 03:23:09,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:23:09,569 INFO L225 Difference]: With dead ends: 2897 [2021-11-23 03:23:09,570 INFO L226 Difference]: Without dead ends: 2888 [2021-11-23 03:23:09,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:23:09,573 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 824 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:23:09,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [826 Valid, 1813 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 226 Invalid, 5 Unknown, 0 Unchecked, 14.5s Time] [2021-11-23 03:23:09,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2021-11-23 03:23:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2877. [2021-11-23 03:23:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2877 states, 1763 states have (on average 1.337492909812819) internal successors, (2358), 1813 states have internal predecessors, (2358), 851 states have call successors, (851), 280 states have call predecessors, (851), 262 states have return successors, (851), 793 states have call predecessors, (851), 838 states have call successors, (851) [2021-11-23 03:23:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 4060 transitions. [2021-11-23 03:23:09,731 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 4060 transitions. Word has length 14 [2021-11-23 03:23:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:23:09,732 INFO L470 AbstractCegarLoop]: Abstraction has 2877 states and 4060 transitions. [2021-11-23 03:23:09,732 INFO L471 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) [2021-11-23 03:23:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 4060 transitions. [2021-11-23 03:23:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:23:09,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:23:09,744 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:23:09,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:23:09,744 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:23:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:23:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash 344899097, now seen corresponding path program 1 times [2021-11-23 03:23:09,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:23:09,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774813502] [2021-11-23 03:23:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:23:09,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:23:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:23:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:23:10,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:23:10,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774813502] [2021-11-23 03:23:10,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774813502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:23:10,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:23:10,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:23:10,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739450099] [2021-11-23 03:23:10,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:23:10,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:23:10,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:23:10,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:23:10,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:23:10,413 INFO L87 Difference]: Start difference. First operand 2877 states and 4060 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-23 03:23:12,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:16,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:19,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:23:21,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:24,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:25,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:23:25,204 INFO L93 Difference]: Finished difference Result 3593 states and 5078 transitions. [2021-11-23 03:23:25,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:23:25,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 30 [2021-11-23 03:23:25,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:23:25,232 INFO L225 Difference]: With dead ends: 3593 [2021-11-23 03:23:25,233 INFO L226 Difference]: Without dead ends: 3587 [2021-11-23 03:23:25,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:23:25,237 INFO L933 BasicCegarLoop]: 919 mSDtfsCounter, 567 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:23:25,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 1644 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 227 Invalid, 5 Unknown, 0 Unchecked, 14.7s Time] [2021-11-23 03:23:25,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3587 states. [2021-11-23 03:23:25,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3587 to 3213. [2021-11-23 03:23:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 1988 states have (on average 1.3425553319919517) internal successors, (2669), 2036 states have internal predecessors, (2669), 926 states have call successors, (926), 313 states have call predecessors, (926), 298 states have return successors, (929), 875 states have call predecessors, (929), 914 states have call successors, (929) [2021-11-23 03:23:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4524 transitions. [2021-11-23 03:23:25,422 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4524 transitions. Word has length 30 [2021-11-23 03:23:25,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:23:25,423 INFO L470 AbstractCegarLoop]: Abstraction has 3213 states and 4524 transitions. [2021-11-23 03:23:25,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-23 03:23:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4524 transitions. [2021-11-23 03:23:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 03:23:25,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:23:25,428 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:23:25,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:23:25,429 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:23:25,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:23:25,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2002726904, now seen corresponding path program 1 times [2021-11-23 03:23:25,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:23:25,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870817647] [2021-11-23 03:23:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:23:25,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:23:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:23:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:23:25,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:23:25,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870817647] [2021-11-23 03:23:25,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870817647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:23:25,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:23:25,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:23:25,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125212132] [2021-11-23 03:23:25,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:23:25,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:23:25,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:23:25,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:23:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:23:25,893 INFO L87 Difference]: Start difference. First operand 3213 states and 4524 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) [2021-11-23 03:23:28,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:30,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:33,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:35,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:23:37,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:40,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:23:41,255 INFO L93 Difference]: Finished difference Result 3315 states and 4635 transitions. [2021-11-23 03:23:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:23:41,256 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 [2021-11-23 03:23:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:23:41,281 INFO L225 Difference]: With dead ends: 3315 [2021-11-23 03:23:41,282 INFO L226 Difference]: Without dead ends: 3312 [2021-11-23 03:23:41,284 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:23:41,285 INFO L933 BasicCegarLoop]: 857 mSDtfsCounter, 284 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:23:41,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 1465 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 15.3s Time] [2021-11-23 03:23:41,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2021-11-23 03:23:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2021-11-23 03:23:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 2050 states have (on average 1.3390243902439025) internal successors, (2745), 2098 states have internal predecessors, (2745), 941 states have call successors, (941), 338 states have call predecessors, (941), 320 states have return successors, (944), 889 states have call predecessors, (944), 929 states have call successors, (944) [2021-11-23 03:23:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4630 transitions. [2021-11-23 03:23:41,484 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4630 transitions. Word has length 40 [2021-11-23 03:23:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:23:41,484 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 4630 transitions. [2021-11-23 03:23:41,485 INFO L471 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) [2021-11-23 03:23:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4630 transitions. [2021-11-23 03:23:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:23:41,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:23:41,493 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:23:41,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:23:41,494 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:23:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:23:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash -861378878, now seen corresponding path program 1 times [2021-11-23 03:23:41,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:23:41,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744612378] [2021-11-23 03:23:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:23:41,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:23:41,703 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:23:41,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686461100] [2021-11-23 03:23:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:23:41,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:23:41,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:23:41,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:23:41,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:23:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:23:43,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 5639 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:23:43,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:23:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:23:43,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:23:43,514 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:23:43,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744612378] [2021-11-23 03:23:43,515 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:23:43,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686461100] [2021-11-23 03:23:43,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686461100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:23:43,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:23:43,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:23:43,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078719155] [2021-11-23 03:23:43,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:23:43,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:23:43,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:23:43,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:23:43,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:23:43,517 INFO L87 Difference]: Start difference. First operand 3312 states and 4630 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-23 03:23:45,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:48,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:50,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:55,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:23:59,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:02,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:04,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:24:04,168 INFO L93 Difference]: Finished difference Result 3329 states and 4647 transitions. [2021-11-23 03:24:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:24:04,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2021-11-23 03:24:04,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:24:04,196 INFO L225 Difference]: With dead ends: 3329 [2021-11-23 03:24:04,197 INFO L226 Difference]: Without dead ends: 3326 [2021-11-23 03:24:04,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:24:04,200 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 453 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 265 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:24:04,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 1313 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 810 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2021-11-23 03:24:04,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2021-11-23 03:24:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 2680. [2021-11-23 03:24:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 1634 states have (on average 1.324969400244798) internal successors, (2165), 1678 states have internal predecessors, (2165), 777 states have call successors, (777), 278 states have call predecessors, (777), 268 states have return successors, (779), 735 states have call predecessors, (779), 765 states have call successors, (779) [2021-11-23 03:24:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 3721 transitions. [2021-11-23 03:24:04,356 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 3721 transitions. Word has length 57 [2021-11-23 03:24:04,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:24:04,357 INFO L470 AbstractCegarLoop]: Abstraction has 2680 states and 3721 transitions. [2021-11-23 03:24:04,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-23 03:24:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3721 transitions. [2021-11-23 03:24:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 03:24:04,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:24:04,361 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:24:04,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:24:04,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:24:04,586 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:24:04,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:24:04,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1301002970, now seen corresponding path program 1 times [2021-11-23 03:24:04,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:24:04,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97940213] [2021-11-23 03:24:04,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:24:04,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:24:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:24:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:24:05,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:24:05,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97940213] [2021-11-23 03:24:05,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97940213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:24:05,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:24:05,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:24:05,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011634825] [2021-11-23 03:24:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:24:05,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:24:05,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:24:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:24:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:05,156 INFO L87 Difference]: Start difference. First operand 2680 states and 3721 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) [2021-11-23 03:24:07,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:11,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:13,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:24:15,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:18,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:19,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:24:20,842 INFO L93 Difference]: Finished difference Result 3025 states and 4214 transitions. [2021-11-23 03:24:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:24:20,843 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 [2021-11-23 03:24:20,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:24:20,865 INFO L225 Difference]: With dead ends: 3025 [2021-11-23 03:24:20,866 INFO L226 Difference]: Without dead ends: 3021 [2021-11-23 03:24:20,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:20,868 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 548 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:24:20,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 1641 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 227 Invalid, 5 Unknown, 0 Unchecked, 15.6s Time] [2021-11-23 03:24:20,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2021-11-23 03:24:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 2681. [2021-11-23 03:24:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 1635 states have (on average 1.3247706422018348) internal successors, (2166), 1678 states have internal predecessors, (2166), 777 states have call successors, (777), 278 states have call predecessors, (777), 268 states have return successors, (779), 736 states have call predecessors, (779), 765 states have call successors, (779) [2021-11-23 03:24:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3722 transitions. [2021-11-23 03:24:21,001 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3722 transitions. Word has length 55 [2021-11-23 03:24:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:24:21,003 INFO L470 AbstractCegarLoop]: Abstraction has 2681 states and 3722 transitions. [2021-11-23 03:24:21,003 INFO L471 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) [2021-11-23 03:24:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3722 transitions. [2021-11-23 03:24:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 03:24:21,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:24:21,008 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:24:21,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:24:21,009 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:24:21,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:24:21,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1677796670, now seen corresponding path program 1 times [2021-11-23 03:24:21,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:24:21,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933836708] [2021-11-23 03:24:21,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:24:21,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:24:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:24:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:24:21,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:24:21,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933836708] [2021-11-23 03:24:21,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933836708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:24:21,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:24:21,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:24:21,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9255877] [2021-11-23 03:24:21,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:24:21,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:24:21,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:24:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:24:21,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:21,508 INFO L87 Difference]: Start difference. First operand 2681 states and 3722 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) [2021-11-23 03:24:23,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:25,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:27,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:30,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:24:32,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:35,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:37,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:24:38,755 INFO L93 Difference]: Finished difference Result 3326 states and 4604 transitions. [2021-11-23 03:24:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:24:38,756 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 [2021-11-23 03:24:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:24:38,779 INFO L225 Difference]: With dead ends: 3326 [2021-11-23 03:24:38,780 INFO L226 Difference]: Without dead ends: 3323 [2021-11-23 03:24:38,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:38,783 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 791 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 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, 17.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:24:38,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [793 Valid, 1817 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 17.1s Time] [2021-11-23 03:24:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2021-11-23 03:24:39,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3307. [2021-11-23 03:24:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 2013 states have (on average 1.3224043715846994) internal successors, (2662), 2060 states have internal predecessors, (2662), 960 states have call successors, (960), 343 states have call predecessors, (960), 333 states have return successors, (964), 918 states have call predecessors, (964), 948 states have call successors, (964) [2021-11-23 03:24:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4586 transitions. [2021-11-23 03:24:39,037 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4586 transitions. Word has length 56 [2021-11-23 03:24:39,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:24:39,038 INFO L470 AbstractCegarLoop]: Abstraction has 3307 states and 4586 transitions. [2021-11-23 03:24:39,038 INFO L471 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) [2021-11-23 03:24:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4586 transitions. [2021-11-23 03:24:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:24:39,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:24:39,042 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:24:39,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:24:39,042 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:24:39,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:24:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash -473494615, now seen corresponding path program 1 times [2021-11-23 03:24:39,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:24:39,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616420723] [2021-11-23 03:24:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:24:39,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:24:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:24:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:24:39,528 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:24:39,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616420723] [2021-11-23 03:24:39,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616420723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:24:39,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:24:39,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:24:39,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859581325] [2021-11-23 03:24:39,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:24:39,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:24:39,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:24:39,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:24:39,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:39,530 INFO L87 Difference]: Start difference. First operand 3307 states and 4586 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) [2021-11-23 03:24:41,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:44,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:46,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:24:48,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:49,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:24:49,210 INFO L93 Difference]: Finished difference Result 3352 states and 4635 transitions. [2021-11-23 03:24:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:24:49,211 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 [2021-11-23 03:24:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:24:49,231 INFO L225 Difference]: With dead ends: 3352 [2021-11-23 03:24:49,231 INFO L226 Difference]: Without dead ends: 3349 [2021-11-23 03:24:49,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:49,234 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 800 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:24:49,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [801 Valid, 980 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2021-11-23 03:24:49,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3349 states. [2021-11-23 03:24:49,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3349 to 3346. [2021-11-23 03:24:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3346 states, 2037 states have (on average 1.321060382916053) internal successors, (2691), 2084 states have internal predecessors, (2691), 966 states have call successors, (966), 350 states have call predecessors, (966), 342 states have return successors, (973), 927 states have call predecessors, (973), 955 states have call successors, (973) [2021-11-23 03:24:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 3346 states and 4630 transitions. [2021-11-23 03:24:49,391 INFO L78 Accepts]: Start accepts. Automaton has 3346 states and 4630 transitions. Word has length 57 [2021-11-23 03:24:49,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:24:49,393 INFO L470 AbstractCegarLoop]: Abstraction has 3346 states and 4630 transitions. [2021-11-23 03:24:49,393 INFO L471 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) [2021-11-23 03:24:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3346 states and 4630 transitions. [2021-11-23 03:24:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 03:24:49,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:24:49,397 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:24:49,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 03:24:49,397 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:24:49,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:24:49,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1794831707, now seen corresponding path program 1 times [2021-11-23 03:24:49,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:24:49,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709058819] [2021-11-23 03:24:49,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:24:49,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:24:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:24:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:24:49,858 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:24:49,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709058819] [2021-11-23 03:24:49,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709058819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:24:49,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:24:49,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:24:49,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176983814] [2021-11-23 03:24:49,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:24:49,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:24:49,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:24:49,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:24:49,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:24:49,860 INFO L87 Difference]: Start difference. First operand 3346 states and 4630 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) [2021-11-23 03:24:52,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:54,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:56,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:24:58,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:00,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:25:02,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:05,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:06,075 INFO L93 Difference]: Finished difference Result 6558 states and 9096 transitions. [2021-11-23 03:25:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:25:06,075 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 [2021-11-23 03:25:06,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:06,108 INFO L225 Difference]: With dead ends: 6558 [2021-11-23 03:25:06,108 INFO L226 Difference]: Without dead ends: 6555 [2021-11-23 03:25:06,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:06,113 INFO L933 BasicCegarLoop]: 1010 mSDtfsCounter, 794 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:06,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 1820 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 6 Unknown, 0 Unchecked, 16.1s Time] [2021-11-23 03:25:06,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6555 states. [2021-11-23 03:25:06,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6555 to 6539. [2021-11-23 03:25:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6539 states, 3986 states have (on average 1.3238835925740091) internal successors, (5277), 4078 states have internal predecessors, (5277), 1890 states have call successors, (1890), 678 states have call predecessors, (1890), 662 states have return successors, (1911), 1812 states have call predecessors, (1911), 1875 states have call successors, (1911) [2021-11-23 03:25:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6539 states to 6539 states and 9078 transitions. [2021-11-23 03:25:06,532 INFO L78 Accepts]: Start accepts. Automaton has 6539 states and 9078 transitions. Word has length 58 [2021-11-23 03:25:06,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:06,533 INFO L470 AbstractCegarLoop]: Abstraction has 6539 states and 9078 transitions. [2021-11-23 03:25:06,533 INFO L471 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) [2021-11-23 03:25:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6539 states and 9078 transitions. [2021-11-23 03:25:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 03:25:06,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:06,539 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:25:06,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 03:25:06,539 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:06,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:06,540 INFO L85 PathProgramCache]: Analyzing trace with hash 193396268, now seen corresponding path program 1 times [2021-11-23 03:25:06,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:06,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627779947] [2021-11-23 03:25:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:06,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:25:07,063 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:07,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627779947] [2021-11-23 03:25:07,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627779947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:07,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:07,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:25:07,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371499170] [2021-11-23 03:25:07,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:07,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:25:07,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:07,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:25:07,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:07,065 INFO L87 Difference]: Start difference. First operand 6539 states and 9078 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) [2021-11-23 03:25:09,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:12,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:14,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:25:16,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:18,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:25:22,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:25:22,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:22,427 INFO L93 Difference]: Finished difference Result 6567 states and 9104 transitions. [2021-11-23 03:25:22,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:25:22,428 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 [2021-11-23 03:25:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:22,464 INFO L225 Difference]: With dead ends: 6567 [2021-11-23 03:25:22,465 INFO L226 Difference]: Without dead ends: 6558 [2021-11-23 03:25:22,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:22,471 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 786 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:22,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [787 Valid, 1821 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2021-11-23 03:25:22,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6558 states. [2021-11-23 03:25:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 6546. [2021-11-23 03:25:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6546 states, 3991 states have (on average 1.3229766975695314) internal successors, (5280), 4084 states have internal predecessors, (5280), 1891 states have call successors, (1891), 679 states have call predecessors, (1891), 663 states have return successors, (1911), 1812 states have call predecessors, (1911), 1875 states have call successors, (1911) [2021-11-23 03:25:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 9082 transitions. [2021-11-23 03:25:22,813 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 9082 transitions. Word has length 59 [2021-11-23 03:25:22,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:22,813 INFO L470 AbstractCegarLoop]: Abstraction has 6546 states and 9082 transitions. [2021-11-23 03:25:22,814 INFO L471 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) [2021-11-23 03:25:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 9082 transitions. [2021-11-23 03:25:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:25:22,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:22,819 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:25:22,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 03:25:22,820 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:22,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1604964075, now seen corresponding path program 1 times [2021-11-23 03:25:22,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:22,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553928242] [2021-11-23 03:25:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:22,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:25:33,059 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:25:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:25:46,977 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 03:25:46,978 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:25:46,979 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:25:46,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:25:46,984 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:46,987 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:25:47,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:25:47 BoogieIcfgContainer [2021-11-23 03:25:47,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:25:47,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:25:47,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:25:47,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:25:47,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:51" (3/4) ... [2021-11-23 03:25:47,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 03:25:47,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:25:47,251 INFO L158 Benchmark]: Toolchain (without parser) took 354591.03ms. Allocated memory was 86.0MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 49.4MB in the beginning and 1.7GB in the end (delta: -1.7GB). Peak memory consumption was 541.9MB. Max. memory is 16.1GB. [2021-11-23 03:25:47,252 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:25:47,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4950.19ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 49.4MB in the beginning and 81.6MB in the end (delta: -32.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2021-11-23 03:25:47,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 384.90ms. Allocated memory is still 203.4MB. Free memory was 81.6MB in the beginning and 99.0MB in the end (delta: -17.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 03:25:47,255 INFO L158 Benchmark]: Boogie Preprocessor took 296.61ms. Allocated memory is still 203.4MB. Free memory was 99.0MB in the beginning and 65.2MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 03:25:47,256 INFO L158 Benchmark]: RCFGBuilder took 113094.41ms. Allocated memory was 203.4MB in the beginning and 1.2GB in the end (delta: 964.7MB). Free memory was 65.2MB in the beginning and 766.6MB in the end (delta: -701.4MB). Peak memory consumption was 663.3MB. Max. memory is 16.1GB. [2021-11-23 03:25:47,256 INFO L158 Benchmark]: TraceAbstraction took 235852.23ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 766.6MB in the beginning and 1.7GB in the end (delta: -957.8MB). Peak memory consumption was 776.6MB. Max. memory is 16.1GB. [2021-11-23 03:25:47,257 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 2.3GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:25:47,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4950.19ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 49.4MB in the beginning and 81.6MB in the end (delta: -32.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 384.90ms. Allocated memory is still 203.4MB. Free memory was 81.6MB in the beginning and 99.0MB in the end (delta: -17.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 296.61ms. Allocated memory is still 203.4MB. Free memory was 99.0MB in the beginning and 65.2MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 113094.41ms. Allocated memory was 203.4MB in the beginning and 1.2GB in the end (delta: 964.7MB). Free memory was 65.2MB in the beginning and 766.6MB in the end (delta: -701.4MB). Peak memory consumption was 663.3MB. Max. memory is 16.1GB. * TraceAbstraction took 235852.23ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 766.6MB in the beginning and 1.7GB in the end (delta: -957.8MB). Peak memory consumption was 776.6MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 2.3GB. Free memory is still 1.7GB. 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={18446744073709551471:18446744073709551459}, 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={182:0}, POSEIDON_TVNORMS=18, 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={18446744073709551471:18446744073709551459}, 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=18, poseidon_tvnorms={182:0}, 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={18446744073709551471:18446744073709551459}, 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={18446744073709551471:18446744073709551459}, 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={18446744073709551471:18446744073709551459}, 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] EXPR front->type [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] EXPR front->type [L6433] (debug_mode & 8) != 0 && (unsigned int )front->type == 1U [L6433] COND TRUE (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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={218:541}, f={218:541}, f->type=-4294967295, fh={18446744073709551420:-4}, fh={18446744073709551420:-4}, file={18446744073709551440:18446744073709551528}, file={18446744073709551440:18446744073709551528}, firmware_name={148:0}, front={18446744073709551420:-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={218:222}, 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)=18446744073709551539, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=18446744073709551547, 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={18446744073709551471:18446744073709551459}, 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={218:238}, 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}] [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={18446744073709551471:18446744073709551459}, 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={218:238}, lock={218:238}, 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={18446744073709551471:18446744073709551459}, 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={218:238}, ldv_func_arg1={218:238}, 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={18446744073709551471:18446744073709551459}, 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={218:238}, ldv_func_arg1={218:238}, 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={218:541}, f={218:541}, fh={18446744073709551420:-4}, fh={18446744073709551420:-4}, file={18446744073709551440:18446744073709551528}, file={18446744073709551440:18446744073709551528}, firmware_name={148:0}, front={18446744073709551420:-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={218:222}, pd->file_for_stream={219:18446744073709551397}, 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)=18446744073709551539, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=18446744073709551547, 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={218:541}, f={218:541}, fh={18446744073709551420:-4}, fh={18446744073709551420:-4}, file={18446744073709551440:18446744073709551528}, file={18446744073709551440:18446744073709551528}, firmware_name={148:0}, front={18446744073709551420:-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={218:222}, 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}, printk("<7>\t[ %s : %.3d ] type : VBI\n", "vidioc_s_fmt", 841)=18446744073709551539, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=18446744073709551547, 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={18446744073709551471:18446744073709551459}, 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=18, poseidon_tvnorms={182:0}, 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 FALSE !(pix->pixelformat == 1346520914U) [L6387] pix->pixelformat = 1448695129U [L6388] vid_resol = 1 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, context={218:714}, 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={218:222}, pd={218:222}, 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={218:545}, pix={218:545}, pix_def={218:734}, 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=0, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, vid_resol=1, video={218:706}, 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)=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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, 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={218:222}, 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)=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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, cmd_status={215:0}, cmdid=21, controls={185:0}, data={218:0}, 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=1, pcm_capture_ops={192:0}, pd={218:222}, pd={218:222}, pd->state=18446744073709551510, 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}] [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)=1, \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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, cmd_status={215:0}, 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=1, pcm_capture_ops={192:0}, pd={218:222}, pd={218:222}, 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, context={218:714}, 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={218:222}, pd={218:222}, 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={218:545}, pix={218:545}, pix_def={218:734}, 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=1, video={218:706}, 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: [L6396] default: [L6397] pix->width = 720U [L6398] case 720U: 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, context={218:714}, 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={218:222}, pd={218:222}, 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={218:545}, pix={218:545}, pix->width=720, pix_def={218:734}, 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=1, video={218:706}, 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)=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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, 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={218:222}, 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)=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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, cmd_status={215:0}, 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=1, pcm_capture_ops={192:0}, pd={218:222}, pd={218:222}, pd->state=18446744073709551510, 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)=1, \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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, cmd_status={215:0}, 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=1, pcm_capture_ops={192:0}, pd={218:222}, pd={218:222}, 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}] [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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, context={218:714}, 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={218:222}, pd={218:222}, 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={218:545}, pix={218:545}, pix->width=720, pix_def={218:734}, 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=-19, send_set_req(pd, 23, vid_resol, & cmd_status)=-19, snd_pd_hw_capture={191:0}, usb_transfer_mode=0, vid_resol=1, video={218:706}, 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)=18446744073709551463, __mod_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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, cmd_status={215:0}, context={218:714}, 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={218:222}, pd={218:222}, 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={218:545}, pix={218:545}, pix->width=720, pix_def={218:734}, 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=18446744073709551503, ret != 0 || cmd_status != 0=1, snd_pd_hw_capture={191:0}, tmp=-19, usb_transfer_mode=0, vid_resol=1, video={218:706}, 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={18446744073709551471:18446744073709551459}, 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={218:238}, 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={18446744073709551471:18446744073709551459}, 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={218:238}, lock={218:238}, 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={18446744073709551471:18446744073709551459}, 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={218:238}, ldv_func_arg1={218:238}, 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=18, poseidon_tvnorms={182:0}, 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={18446744073709551471:18446744073709551459}, 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={218:238}, ldv_func_arg1={218:238}, 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=18, poseidon_tvnorms={182:0}, 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, context={218:714}, 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={218:222}, pd={218:222}, 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={218:545}, pix={218:545}, pix->width=720, pix_def={218:734}, 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=18446744073709551503, snd_pd_hw_capture={191:0}, tmp=-19, usb_transfer_mode=0, vid_resol=1, video={218:706}, 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={18446744073709551471:18446744073709551459}, adapter_nr={195:0}, controls={185:0}, debug_mode=0, dvb_bandwidth={193:0}, dvb_bandwidth_length=3, f={218:541}, f={218:541}, fh={18446744073709551420:-4}, fh={18446744073709551420:-4}, file={18446744073709551440:18446744073709551528}, file={18446744073709551440:18446744073709551528}, firmware_name={148:0}, front={18446744073709551420:-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={218:222}, 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)=18446744073709551539, printk("<7>\t[ %s : %.3d ] type : VIDEO\n", "vidioc_s_fmt", 841)=18446744073709551547, 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={18446744073709551471:18446744073709551459}, 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={218:238}, 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}] [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={18446744073709551471:18446744073709551459}, 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={218:238}, lock={218:238}, 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}] [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={18446744073709551471:18446744073709551459}, 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=18, poseidon_tvnorms={182:0}, 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={18446744073709551471:18446744073709551459}, 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=18, poseidon_tvnorms={182:0}, 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: 235.5s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 199.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 63 mSolverCounterUnknown, 9027 SdHoareTripleChecker+Valid, 197.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8930 mSDsluCounter, 21377 SdHoareTripleChecker+Invalid, 190.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10452 mSDsCounter, 284 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3450 IncrementalHoareTripleChecker+Invalid, 3797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 284 mSolverCounterUnsat, 12220 mSDtfsCounter, 3450 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6546occurred in iteration=13, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 1455 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 13.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 538 NumberOfCodeBlocks, 538 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5639 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 16/16 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 [2021-11-23 03:25:47,495 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 03:25:47,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:25:49,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:25:49,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:25:49,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:25:49,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:25:49,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:25:49,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:25:49,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:25:49,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:25:49,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:25:49,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:25:49,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:25:49,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:25:49,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:25:49,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:25:49,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:25:49,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:25:49,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:25:49,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:25:49,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:25:49,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:25:49,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:25:49,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:25:49,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:25:49,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:25:49,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:25:49,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:25:49,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:25:49,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:25:49,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:25:49,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:25:49,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:25:49,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:25:49,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:25:49,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:25:49,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:25:49,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:25:49,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:25:50,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:25:50,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:25:50,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:25:50,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 03:25:50,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:25:50,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:25:50,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:25:50,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:25:50,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:25:50,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:25:50,052 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:25:50,052 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:25:50,053 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:25:50,053 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:25:50,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:25:50,055 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:25:50,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:25:50,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:25:50,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:25:50,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:25:50,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:25:50,058 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:25:50,058 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:25:50,058 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:25:50,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:25:50,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:25:50,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:25:50,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:25:50,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:25:50,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:25:50,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:25:50,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:25:50,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:25:50,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:25:50,061 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:25:50,061 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:25:50,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:25:50,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:25:50,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:25:50,062 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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 [2021-11-23 03:25:50,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:25:50,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:25:50,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:25:50,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:25:50,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:25:50,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-23 03:25:50,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/06249212e/b34789a9e90d44a49997d04b8172873a/FLAG762a19e06 [2021-11-23 03:25:51,681 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:25:51,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-23 03:25:51,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/06249212e/b34789a9e90d44a49997d04b8172873a/FLAG762a19e06 [2021-11-23 03:25:51,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/data/06249212e/b34789a9e90d44a49997d04b8172873a [2021-11-23 03:25:51,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:25:51,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:25:51,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:25:51,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:25:51,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:25:51,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:51" (1/1) ... [2021-11-23 03:25:51,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd60aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51, skipping insertion in model container [2021-11-23 03:25:51,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:51" (1/1) ... [2021-11-23 03:25:51,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:25:52,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:25:55,583 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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-23 03:25:55,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:25:55,833 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 03:25:55,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:25:56,445 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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-23 03:25:56,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:25:56,557 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:25:57,424 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_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-23 03:25:57,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:25:57,755 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:25:57,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57 WrapperNode [2021-11-23 03:25:57,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:25:57,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:25:57,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:25:57,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:25:57,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:57,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,124 INFO L137 Inliner]: procedures = 476, calls = 4704, calls flagged for inlining = 237, calls inlined = 78, statements flattened = 4430 [2021-11-23 03:25:58,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:25:58,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:25:58,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:25:58,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:25:58,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:25:58,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:25:58,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:25:58,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:25:58,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (1/1) ... [2021-11-23 03:25:58,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:25:58,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:58,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:25:58,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:25:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 03:25:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 03:25:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 03:25:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:25:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:25:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 03:25:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 03:25:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 03:25:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 03:25:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_fmt [2021-11-23 03:25:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_fmt [2021-11-23 03:25:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2021-11-23 03:25:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2021-11-23 03:25:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-23 03:25:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-23 03:25:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:25:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 03:25:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 03:25:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 03:25:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 03:25:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure check_control_id [2021-11-23 03:25:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure check_control_id [2021-11-23 03:25:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 03:25:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 03:25:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 03:25:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 03:25:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency [2021-11-23 03:25:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency [2021-11-23 03:25:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 03:25:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 03:25:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 03:25:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 03:25:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:25:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:25:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_transfer_stop [2021-11-23 03:25:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_transfer_stop [2021-11-23 03:25:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 03:25:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 03:25:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 03:25:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 03:25:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 03:25:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 03:25:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_stream [2021-11-23 03:25:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_stream [2021-11-23 03:25:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-11-23 03:25:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-11-23 03:25:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:25:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_audio_std [2021-11-23 03:25:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_audio_std [2021-11-23 03:25:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:25:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2021-11-23 03:25:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2021-11-23 03:25:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:25:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:25:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:25:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:25:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 03:25:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 03:25:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2021-11-23 03:25:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2021-11-23 03:25:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 03:25:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_release [2021-11-23 03:25:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_release [2021-11-23 03:25:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_open [2021-11-23 03:25:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_open [2021-11-23 03:25:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 03:25:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 03:25:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 03:25:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 03:25:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2021-11-23 03:25:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2021-11-23 03:25:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:25:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:25:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-23 03:25:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-23 03:25:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-23 03:25:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-23 03:25:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 03:25:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-11-23 03:25:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-11-23 03:25:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:25:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:25:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 03:25:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 03:25:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 03:25:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:25:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:25:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 03:25:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 03:25:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:25:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 03:25:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:25:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 03:25:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 03:25:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:25:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:25:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-23 03:25:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-23 03:25:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb [2021-11-23 03:25:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb [2021-11-23 03:25:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:25:58,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:25:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:25:58,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:25:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-23 03:25:58,648 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-23 03:25:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 03:25:58,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 03:25:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_tuner [2021-11-23 03:25:58,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_tuner [2021-11-23 03:25:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:25:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:25:58,653 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:25:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_std [2021-11-23 03:25:58,653 INFO L138 BoogieDeclarations]: Found implementation of procedure set_std [2021-11-23 03:25:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:25:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-11-23 03:25:58,656 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-11-23 03:25:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 03:25:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 03:25:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 03:25:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 03:25:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:25:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:25:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:25:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2021-11-23 03:25:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2021-11-23 03:25:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:25:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:25:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 03:25:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 03:25:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 03:25:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 03:25:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2021-11-23 03:25:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2021-11-23 03:25:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 03:25:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 03:25:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:25:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:25:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 03:25:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 03:25:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 03:25:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 03:25:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:25:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:25:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_checkmode [2021-11-23 03:25:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_checkmode [2021-11-23 03:25:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-23 03:25:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-23 03:25:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-23 03:25:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-23 03:25:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2021-11-23 03:25:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2021-11-23 03:25:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2021-11-23 03:25:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2021-11-23 03:25:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:25:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:25:59,492 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:25:59,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:29:54,739 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:29:54,765 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:29:54,766 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:29:54,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:54 BoogieIcfgContainer [2021-11-23 03:29:54,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:29:54,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:29:54,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:29:54,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:29:54,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:51" (1/3) ... [2021-11-23 03:29:54,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf3d03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:29:54, skipping insertion in model container [2021-11-23 03:29:54,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:57" (2/3) ... [2021-11-23 03:29:54,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf3d03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:29:54, skipping insertion in model container [2021-11-23 03:29:54,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:54" (3/3) ... [2021-11-23 03:29:54,778 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-23 03:29:54,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:29:54,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:29:54,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:29:54,854 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:29:54,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:29:54,900 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) [2021-11-23 03:29:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 03:29:54,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:29:54,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:29:54,907 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:29:54,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:29:54,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2090032356, now seen corresponding path program 1 times [2021-11-23 03:29:54,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:29:54,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701309612] [2021-11-23 03:29:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:29:54,939 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:29:54,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:29:54,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:29:54,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 03:30:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:30:01,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 3728 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:30:01,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:30:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:01,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:30:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:02,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:30:02,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701309612] [2021-11-23 03:30:02,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701309612] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:30:02,331 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:30:02,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:30:02,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962000715] [2021-11-23 03:30:02,334 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:30:02,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:30:02,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:30:02,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:30:02,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:02,377 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) [2021-11-23 03:30:05,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:05,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:30:05,944 INFO L93 Difference]: Finished difference Result 1950 states and 2785 transitions. [2021-11-23 03:30:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:30:05,951 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 [2021-11-23 03:30:05,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:30:05,990 INFO L225 Difference]: With dead ends: 1950 [2021-11-23 03:30:05,991 INFO L226 Difference]: Without dead ends: 1006 [2021-11-23 03:30:06,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:06,009 INFO L933 BasicCegarLoop]: 1345 mSDtfsCounter, 884 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:30:06,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [884 Valid, 1844 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 03:30:06,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2021-11-23 03:30:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1003. [2021-11-23 03:30:06,198 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) [2021-11-23 03:30:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1386 transitions. [2021-11-23 03:30:06,218 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1386 transitions. Word has length 12 [2021-11-23 03:30:06,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:30:06,218 INFO L470 AbstractCegarLoop]: Abstraction has 1003 states and 1386 transitions. [2021-11-23 03:30:06,219 INFO L471 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) [2021-11-23 03:30:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1386 transitions. [2021-11-23 03:30:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 03:30:06,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:30:06,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:30:06,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:30:06,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:30:06,444 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:30:06,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:30:06,444 INFO L85 PathProgramCache]: Analyzing trace with hash -367903860, now seen corresponding path program 1 times [2021-11-23 03:30:06,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:30:06,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24014134] [2021-11-23 03:30:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:30:06,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:30:06,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:30:06,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:30:06,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:30:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:30:12,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 3729 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:30:12,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:30:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:13,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:30:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:13,772 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:30:13,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24014134] [2021-11-23 03:30:13,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24014134] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:30:13,772 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:30:13,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:30:13,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662518203] [2021-11-23 03:30:13,773 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:30:13,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:30:13,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:30:13,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:30:13,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:13,775 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) [2021-11-23 03:30:16,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:17,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:30:17,126 INFO L93 Difference]: Finished difference Result 1005 states and 1387 transitions. [2021-11-23 03:30:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:30:17,127 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 [2021-11-23 03:30:17,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:30:17,137 INFO L225 Difference]: With dead ends: 1005 [2021-11-23 03:30:17,137 INFO L226 Difference]: Without dead ends: 1002 [2021-11-23 03:30:17,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:17,140 INFO L933 BasicCegarLoop]: 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, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:30:17,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1298 Valid, 1309 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 03:30:17,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2021-11-23 03:30:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2021-11-23 03:30:17,202 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) [2021-11-23 03:30:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1384 transitions. [2021-11-23 03:30:17,212 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1384 transitions. Word has length 13 [2021-11-23 03:30:17,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:30:17,212 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1384 transitions. [2021-11-23 03:30:17,213 INFO L471 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) [2021-11-23 03:30:17,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1384 transitions. [2021-11-23 03:30:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 03:30:17,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:30:17,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:30:17,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:30:17,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:30:17,429 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:30:17,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:30:17,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1478476831, now seen corresponding path program 1 times [2021-11-23 03:30:17,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:30:17,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083818528] [2021-11-23 03:30:17,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:30:17,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:30:17,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:30:17,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:30:17,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 03:30:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:30:23,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 3730 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:30:23,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:30:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:24,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:30:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:24,888 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:30:24,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083818528] [2021-11-23 03:30:24,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083818528] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:30:24,889 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:30:24,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:30:24,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771238154] [2021-11-23 03:30:24,889 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:30:24,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:30:24,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:30:24,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:30:24,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:24,891 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) [2021-11-23 03:30:27,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:28,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:30:28,210 INFO L93 Difference]: Finished difference Result 1004 states and 1385 transitions. [2021-11-23 03:30:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:30:28,211 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 [2021-11-23 03:30:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:30:28,220 INFO L225 Difference]: With dead ends: 1004 [2021-11-23 03:30:28,220 INFO L226 Difference]: Without dead ends: 1001 [2021-11-23 03:30:28,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:28,223 INFO L933 BasicCegarLoop]: 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, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:30:28,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1295 Valid, 1307 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 03:30:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2021-11-23 03:30:28,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 1001. [2021-11-23 03:30:28,293 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) [2021-11-23 03:30:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1382 transitions. [2021-11-23 03:30:28,304 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1382 transitions. Word has length 14 [2021-11-23 03:30:28,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:30:28,304 INFO L470 AbstractCegarLoop]: Abstraction has 1001 states and 1382 transitions. [2021-11-23 03:30:28,304 INFO L471 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) [2021-11-23 03:30:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1382 transitions. [2021-11-23 03:30:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 03:30:28,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:30:28,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:30:28,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:30:28,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:30:28,530 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:30:28,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:30:28,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1413259025, now seen corresponding path program 1 times [2021-11-23 03:30:28,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:30:28,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619233884] [2021-11-23 03:30:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:30:28,543 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:30:28,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:30:28,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:30:28,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 03:30:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:30:35,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 3731 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:30:35,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:30:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:35,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:30:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:36,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:30:36,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619233884] [2021-11-23 03:30:36,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619233884] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:30:36,562 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:30:36,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:30:36,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744275533] [2021-11-23 03:30:36,563 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:30:36,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:30:36,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:30:36,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:30:36,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:36,565 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) [2021-11-23 03:30:39,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:40,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:30:40,001 INFO L93 Difference]: Finished difference Result 1003 states and 1383 transitions. [2021-11-23 03:30:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:30:40,002 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 [2021-11-23 03:30:40,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:30:40,011 INFO L225 Difference]: With dead ends: 1003 [2021-11-23 03:30:40,011 INFO L226 Difference]: Without dead ends: 1000 [2021-11-23 03:30:40,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:40,014 INFO L933 BasicCegarLoop]: 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, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:30:40,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1292 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 03:30:40,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2021-11-23 03:30:40,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2021-11-23 03:30:40,094 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) [2021-11-23 03:30:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1380 transitions. [2021-11-23 03:30:40,104 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1380 transitions. Word has length 15 [2021-11-23 03:30:40,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:30:40,105 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1380 transitions. [2021-11-23 03:30:40,105 INFO L471 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) [2021-11-23 03:30:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1380 transitions. [2021-11-23 03:30:40,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 03:30:40,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:30:40,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:30:40,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:30:40,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:30:40,330 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:30:40,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:30:40,331 INFO L85 PathProgramCache]: Analyzing trace with hash -862752478, now seen corresponding path program 1 times [2021-11-23 03:30:40,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:30:40,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855370840] [2021-11-23 03:30:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:30:40,338 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:30:40,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:30:40,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:30:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 03:30:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:30:46,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 3732 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:30:46,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:30:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:47,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:30:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:30:48,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:30:48,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855370840] [2021-11-23 03:30:48,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855370840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:30:48,228 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:30:48,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:30:48,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009015279] [2021-11-23 03:30:48,228 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:30:48,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:30:48,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:30:48,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:30:48,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:48,230 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) [2021-11-23 03:30:50,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:51,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:30:51,002 INFO L93 Difference]: Finished difference Result 1002 states and 1381 transitions. [2021-11-23 03:30:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:30:51,514 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 [2021-11-23 03:30:51,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:30:51,524 INFO L225 Difference]: With dead ends: 1002 [2021-11-23 03:30:51,524 INFO L226 Difference]: Without dead ends: 993 [2021-11-23 03:30:51,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:30:51,526 INFO L933 BasicCegarLoop]: 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, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:30:51,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1289 Valid, 1304 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 03:30:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-11-23 03:30:51,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2021-11-23 03:30:51,609 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) [2021-11-23 03:30:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1371 transitions. [2021-11-23 03:30:51,619 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1371 transitions. Word has length 16 [2021-11-23 03:30:51,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:30:51,620 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1371 transitions. [2021-11-23 03:30:51,620 INFO L471 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) [2021-11-23 03:30:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1371 transitions. [2021-11-23 03:30:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:30:51,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:30:51,635 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:30:51,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:30:51,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:30:51,850 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:30:51,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:30:51,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1003721069, now seen corresponding path program 1 times [2021-11-23 03:30:51,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:30:51,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408470505] [2021-11-23 03:30:51,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:30:51,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:30:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:30:51,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:30:51,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 03:30:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:30:58,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 3822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:30:58,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:01,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:02,922 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:31:02,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408470505] [2021-11-23 03:31:02,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408470505] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:02,923 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:02,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-23 03:31:02,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003954374] [2021-11-23 03:31:02,924 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:02,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:31:02,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:31:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:31:02,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:31:02,926 INFO L87 Difference]: Start difference. First operand 993 states and 1371 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 03:31:07,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:09,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:11,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:11,324 INFO L93 Difference]: Finished difference Result 2956 states and 4083 transitions. [2021-11-23 03:31:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:31:11,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2021-11-23 03:31:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:11,342 INFO L225 Difference]: With dead ends: 2956 [2021-11-23 03:31:11,343 INFO L226 Difference]: Without dead ends: 1969 [2021-11-23 03:31:11,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:31:11,350 INFO L933 BasicCegarLoop]: 1465 mSDtfsCounter, 1248 mSDsluCounter, 3977 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 5442 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:11,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1248 Valid, 5442 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 119 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2021-11-23 03:31:11,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-11-23 03:31:11,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1960. [2021-11-23 03:31:11,493 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) [2021-11-23 03:31:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2706 transitions. [2021-11-23 03:31:11,509 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2706 transitions. Word has length 51 [2021-11-23 03:31:11,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:11,509 INFO L470 AbstractCegarLoop]: Abstraction has 1960 states and 2706 transitions. [2021-11-23 03:31:11,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 03:31:11,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2706 transitions. [2021-11-23 03:31:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:31:11,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:11,515 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:31:11,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:11,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:31:11,730 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:11,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:11,731 INFO L85 PathProgramCache]: Analyzing trace with hash -863172459, now seen corresponding path program 1 times [2021-11-23 03:31:11,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:31:11,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473056165] [2021-11-23 03:31:11,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:11,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:31:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:31:11,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:31:11,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 03:31:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:18,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 3820 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:31:18,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:21,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:23,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:31:23,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473056165] [2021-11-23 03:31:23,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473056165] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:23,168 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:23,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-23 03:31:23,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486479336] [2021-11-23 03:31:23,169 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:23,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:31:23,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:31:23,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:31:23,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:31:23,171 INFO L87 Difference]: Start difference. First operand 1960 states and 2706 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 03:31:27,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:29,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:31,506 INFO L93 Difference]: Finished difference Result 3924 states and 5416 transitions. [2021-11-23 03:31:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:31:31,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2021-11-23 03:31:31,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:31,524 INFO L225 Difference]: With dead ends: 3924 [2021-11-23 03:31:31,525 INFO L226 Difference]: Without dead ends: 1970 [2021-11-23 03:31:31,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:31:31,535 INFO L933 BasicCegarLoop]: 1465 mSDtfsCounter, 2081 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 410 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 4185 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:31,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2081 Valid, 4185 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2021-11-23 03:31:31,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2021-11-23 03:31:31,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1961. [2021-11-23 03:31:31,676 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) [2021-11-23 03:31:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2705 transitions. [2021-11-23 03:31:31,689 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2705 transitions. Word has length 51 [2021-11-23 03:31:31,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:31,691 INFO L470 AbstractCegarLoop]: Abstraction has 1961 states and 2705 transitions. [2021-11-23 03:31:31,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 03:31:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2705 transitions. [2021-11-23 03:31:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:31:31,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:31,696 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:31:31,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:31,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:31:31,918 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:31,918 INFO L85 PathProgramCache]: Analyzing trace with hash -221615915, now seen corresponding path program 1 times [2021-11-23 03:31:31,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:31:31,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172331367] [2021-11-23 03:31:31,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:31,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:31:31,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:31:31,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:31:31,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 03:31:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:38,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 3818 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 03:31:38,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:39,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:39,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:31:39,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172331367] [2021-11-23 03:31:39,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172331367] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:39,961 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:39,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:31:39,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58539180] [2021-11-23 03:31:39,962 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:39,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:31:39,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:31:39,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:31:39,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:31:39,963 INFO L87 Difference]: Start difference. First operand 1961 states and 2705 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:31:42,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:43,511 INFO L93 Difference]: Finished difference Result 1964 states and 2707 transitions. [2021-11-23 03:31:43,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:31:43,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2021-11-23 03:31:43,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:43,529 INFO L225 Difference]: With dead ends: 1964 [2021-11-23 03:31:43,529 INFO L226 Difference]: Without dead ends: 1961 [2021-11-23 03:31:43,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:31:43,532 INFO L933 BasicCegarLoop]: 1344 mSDtfsCounter, 485 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:43,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 2212 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 03:31:43,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2021-11-23 03:31:43,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1961. [2021-11-23 03:31:43,665 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) [2021-11-23 03:31:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2703 transitions. [2021-11-23 03:31:43,673 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2703 transitions. Word has length 51 [2021-11-23 03:31:43,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:43,674 INFO L470 AbstractCegarLoop]: Abstraction has 1961 states and 2703 transitions. [2021-11-23 03:31:43,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:31:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2703 transitions. [2021-11-23 03:31:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 03:31:43,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:43,682 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:31:43,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:43,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:31:43,910 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:43,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:43,911 INFO L85 PathProgramCache]: Analyzing trace with hash 376007762, now seen corresponding path program 1 times [2021-11-23 03:31:43,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:31:43,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10042075] [2021-11-23 03:31:43,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:43,918 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:31:43,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:31:43,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:31:43,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 03:31:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:51,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 4094 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:31:51,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:31:53,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:31:57,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:31:57,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10042075] [2021-11-23 03:31:57,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10042075] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:31:57,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [831485528] [2021-11-23 03:31:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:57,395 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:31:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:31:57,403 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:31:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-23 03:32:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:15,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 4094 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:32:15,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:32:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:32:17,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:32:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:32:19,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [831485528] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:32:19,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36926390] [2021-11-23 03:32:19,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:19,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:32:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:32:19,431 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:32:19,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-23 03:32:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:23,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 4094 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:32:23,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:32:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:32:24,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:32:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:32:27,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36926390] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:32:27,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:32:27,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 9 [2021-11-23 03:32:27,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338955005] [2021-11-23 03:32:27,396 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:32:27,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 03:32:27,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:32:27,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 03:32:27,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:32:27,398 INFO L87 Difference]: Start difference. First operand 1961 states and 2703 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-23 03:32:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:28,304 INFO L93 Difference]: Finished difference Result 3944 states and 5490 transitions. [2021-11-23 03:32:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:32:28,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) Word has length 82 [2021-11-23 03:32:28,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:28,337 INFO L225 Difference]: With dead ends: 3944 [2021-11-23 03:32:28,337 INFO L226 Difference]: Without dead ends: 1989 [2021-11-23 03:32:28,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 477 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:32:28,350 INFO L933 BasicCegarLoop]: 1292 mSDtfsCounter, 8 mSDsluCounter, 7747 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9039 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:28,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 9039 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 16 Unchecked, 0.7s Time] [2021-11-23 03:32:28,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2021-11-23 03:32:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1985. [2021-11-23 03:32:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1422 states have (on average 1.3354430379746836) internal successors, (1899), 1434 states have internal predecessors, (1899), 417 states have call successors, (417), 143 states have call predecessors, (417), 145 states have return successors, (461), 414 states have call predecessors, (461), 415 states have call successors, (461) [2021-11-23 03:32:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2777 transitions. [2021-11-23 03:32:28,514 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2777 transitions. Word has length 82 [2021-11-23 03:32:28,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:28,515 INFO L470 AbstractCegarLoop]: Abstraction has 1985 states and 2777 transitions. [2021-11-23 03:32:28,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-23 03:32:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2777 transitions. [2021-11-23 03:32:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 03:32:28,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:28,523 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:32:28,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 03:32:28,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-23 03:32:29,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-23 03:32:29,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:32:29,147 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:29,147 INFO L85 PathProgramCache]: Analyzing trace with hash -46694064, now seen corresponding path program 1 times [2021-11-23 03:32:29,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:32:29,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847162426] [2021-11-23 03:32:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:29,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:32:29,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:32:29,154 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:32:29,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a6f6ae-97aa-4f02-8a68-d6fdcbd8b748/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process