./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9 --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 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:17:44,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:17:44,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:17:44,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:17:44,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:17:44,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:17:44,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:17:44,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:17:44,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:17:44,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:17:44,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:17:44,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:17:44,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:17:44,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:17:44,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:17:44,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:17:44,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:17:44,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:17:44,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:17:44,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:17:44,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:17:44,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:17:44,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:17:44,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:17:44,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:17:44,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:17:44,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:17:44,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:17:44,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:17:44,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:17:44,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:17:44,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:17:44,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:17:44,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:17:44,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:17:44,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:17:44,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:17:44,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:17:44,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:17:44,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:17:44,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:17:44,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:17:44,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:17:44,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:17:44,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:17:44,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:17:44,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:17:44,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:17:44,470 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:17:44,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:17:44,471 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:17:44,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:17:44,472 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:17:44,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:17:44,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:17:44,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:17:44,473 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:17:44,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:17:44,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:17:44,473 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:17:44,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:17:44,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:17:44,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:17:44,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:17:44,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:17:44,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:17:44,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:17:44,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:17:44,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:17:44,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:17:44,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:17:44,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:17:44,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:17:44,478 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:17:44,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:17:44,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:17:44,478 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:17:44,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:17:44,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:17:44,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:17:44,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-20 20:17:44,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:17:44,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:17:44,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:17:44,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:17:44,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:17:44,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 20:17:48,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:17:49,118 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:17:49,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 20:17:49,195 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/data/d520ee50e/fafebc8180494e7db0a4d5dc65039abb/FLAG415bebfc7 [2022-11-20 20:17:49,217 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/data/d520ee50e/fafebc8180494e7db0a4d5dc65039abb [2022-11-20 20:17:49,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:17:49,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:17:49,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:17:49,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:17:49,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:17:49,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:17:49" (1/1) ... [2022-11-20 20:17:49,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1822b042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:49, skipping insertion in model container [2022-11-20 20:17:49,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:17:49" (1/1) ... [2022-11-20 20:17:49,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:17:49,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:18:01,198 WARN L237 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_04cd2b50-e085-4296-8be0-02a338a05fd1/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-20 20:18:01,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:18:01,891 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:18:03,088 WARN L237 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_04cd2b50-e085-4296-8be0-02a338a05fd1/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-20 20:18:03,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:18:03,784 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:18:03,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03 WrapperNode [2022-11-20 20:18:03,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:18:03,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:18:03,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:18:03,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:18:03,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:04,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:04,549 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9178 [2022-11-20 20:18:04,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:18:04,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:18:04,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:18:04,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:18:04,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:04,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:04,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:04,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:05,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:05,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:05,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:05,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:05,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:18:05,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:18:05,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:18:05,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:18:05,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (1/1) ... [2022-11-20 20:18:05,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:18:05,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:18:05,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:18:05,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cd2b50-e085-4296-8be0-02a338a05fd1/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:18:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-20 20:18:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-20 20:18:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-20 20:18:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-20 20:18:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-20 20:18:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-20 20:18:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-20 20:18:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-20 20:18:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-20 20:18:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-20 20:18:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 20:18:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 20:18:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-20 20:18:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-20 20:18:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-20 20:18:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-20 20:18:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 20:18:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 20:18:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-20 20:18:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-20 20:18:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-20 20:18:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-20 20:18:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-20 20:18:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-20 20:18:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-20 20:18:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-20 20:18:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-20 20:18:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-20 20:18:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-20 20:18:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-20 20:18:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-20 20:18:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-20 20:18:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-20 20:18:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-20 20:18:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-20 20:18:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-20 20:18:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 20:18:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 20:18:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-20 20:18:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 20:18:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 20:18:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 20:18:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 20:18:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-20 20:18:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-20 20:18:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 20:18:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 20:18:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-20 20:18:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-20 20:18:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 20:18:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 20:18:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-20 20:18:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-20 20:18:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-20 20:18:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-20 20:18:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-20 20:18:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-20 20:18:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-20 20:18:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-20 20:18:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:18:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-20 20:18:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-20 20:18:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-20 20:18:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-20 20:18:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-20 20:18:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-20 20:18:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-20 20:18:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-20 20:18:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-20 20:18:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-20 20:18:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-20 20:18:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-20 20:18:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-20 20:18:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-20 20:18:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-20 20:18:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-20 20:18:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-20 20:18:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-20 20:18:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-20 20:18:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-20 20:18:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:18:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-20 20:18:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-20 20:18:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-20 20:18:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-20 20:18:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-20 20:18:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-20 20:18:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-20 20:18:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-20 20:18:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 20:18:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 20:18:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-20 20:18:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-20 20:18:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-20 20:18:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-20 20:18:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:18:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-20 20:18:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-20 20:18:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-20 20:18:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-20 20:18:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:18:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 20:18:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-20 20:18:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-20 20:18:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-20 20:18:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-20 20:18:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-20 20:18:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-20 20:18:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 20:18:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 20:18:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-20 20:18:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-20 20:18:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-20 20:18:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-20 20:18:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 20:18:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 20:18:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-20 20:18:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-20 20:18:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 20:18:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 20:18:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-20 20:18:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-20 20:18:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-20 20:18:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-20 20:18:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-20 20:18:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-20 20:18:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-20 20:18:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-20 20:18:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 20:18:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 20:18:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:18:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:18:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-20 20:18:05,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-20 20:18:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-20 20:18:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-20 20:18:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-20 20:18:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-20 20:18:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-20 20:18:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-20 20:18:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 20:18:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-20 20:18:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-20 20:18:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-20 20:18:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-20 20:18:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-20 20:18:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-20 20:18:05,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 20:18:05,530 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 20:18:05,530 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 20:18:05,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 20:18:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-20 20:18:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-20 20:18:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-20 20:18:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-20 20:18:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 20:18:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 20:18:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-20 20:18:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-20 20:18:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 20:18:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 20:18:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 20:18:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 20:18:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-20 20:18:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-20 20:18:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-20 20:18:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-20 20:18:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-20 20:18:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-20 20:18:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-20 20:18:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-20 20:18:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 20:18:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 20:18:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-20 20:18:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-20 20:18:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:18:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 20:18:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 20:18:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-20 20:18:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:18:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-20 20:18:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-20 20:18:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-20 20:18:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-20 20:18:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-20 20:18:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-20 20:18:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 20:18:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 20:18:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 20:18:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 20:18:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 20:18:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 20:18:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-20 20:18:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-20 20:18:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-20 20:18:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-20 20:18:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-20 20:18:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-20 20:18:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-20 20:18:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-20 20:18:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-20 20:18:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-20 20:18:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-20 20:18:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-20 20:18:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 20:18:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 20:18:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-20 20:18:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-20 20:18:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-20 20:18:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-20 20:18:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-20 20:18:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-20 20:18:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-20 20:18:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-20 20:18:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-20 20:18:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-20 20:18:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-20 20:18:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-20 20:18:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-20 20:18:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-20 20:18:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-20 20:18:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:18:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-20 20:18:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-20 20:18:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-20 20:18:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-20 20:18:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 20:18:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 20:18:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 20:18:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 20:18:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-20 20:18:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-20 20:18:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-20 20:18:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-20 20:18:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-20 20:18:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-20 20:18:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-20 20:18:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-20 20:18:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-20 20:18:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-20 20:18:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-20 20:18:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-20 20:18:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-20 20:18:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-20 20:18:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 20:18:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 20:18:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-20 20:18:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-20 20:18:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-20 20:18:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-20 20:18:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-20 20:18:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-20 20:18:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-20 20:18:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-20 20:18:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 20:18:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 20:18:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-20 20:18:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-20 20:18:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-20 20:18:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-20 20:18:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-20 20:18:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-20 20:18:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-20 20:18:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-20 20:18:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-20 20:18:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-20 20:18:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 20:18:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 20:18:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-20 20:18:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-20 20:18:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-20 20:18:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-20 20:18:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-20 20:18:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-20 20:18:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 20:18:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 20:18:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-20 20:18:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-20 20:18:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-20 20:18:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-20 20:18:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-20 20:18:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-20 20:18:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-20 20:18:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-20 20:18:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-20 20:18:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-20 20:18:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 20:18:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 20:18:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-20 20:18:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-20 20:18:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-20 20:18:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-20 20:18:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-20 20:18:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-20 20:18:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-20 20:18:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-20 20:18:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-20 20:18:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-20 20:18:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 20:18:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 20:18:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-20 20:18:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-20 20:18:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-20 20:18:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-20 20:18:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-20 20:18:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-20 20:18:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-20 20:18:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-20 20:18:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 20:18:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 20:18:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-20 20:18:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-20 20:18:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-20 20:18:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-20 20:18:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:18:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 20:18:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 20:18:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-20 20:18:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-20 20:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-20 20:18:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-20 20:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-20 20:18:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-20 20:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 20:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-20 20:18:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-20 20:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 20:18:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 20:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-20 20:18:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-20 20:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 20:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-20 20:18:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-20 20:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-20 20:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-20 20:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-20 20:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-20 20:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-20 20:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-20 20:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 20:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 20:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-20 20:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-20 20:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-20 20:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-20 20:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-20 20:18:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-20 20:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-20 20:18:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-20 20:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 20:18:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 20:18:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 20:18:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 20:18:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-20 20:18:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-20 20:18:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-20 20:18:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-20 20:18:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-20 20:18:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-20 20:18:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-20 20:18:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-20 20:18:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-20 20:18:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-20 20:18:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-20 20:18:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-20 20:18:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 20:18:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 20:18:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 20:18:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 20:18:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-20 20:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-20 20:18:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-20 20:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-20 20:18:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-20 20:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-20 20:18:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-20 20:18:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-20 20:18:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-20 20:18:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-20 20:18:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-20 20:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-20 20:18:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-20 20:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-20 20:18:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-20 20:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-20 20:18:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-20 20:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 20:18:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 20:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-20 20:18:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-20 20:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 20:18:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 20:18:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-20 20:18:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-20 20:18:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-20 20:18:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-20 20:18:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-20 20:18:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-20 20:18:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-20 20:18:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-20 20:18:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-20 20:18:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-20 20:18:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 20:18:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-20 20:18:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-20 20:18:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-20 20:18:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-20 20:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-20 20:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-20 20:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-20 20:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-20 20:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-20 20:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-20 20:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-20 20:18:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-20 20:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-20 20:18:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-20 20:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-20 20:18:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-20 20:18:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-20 20:18:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-20 20:18:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-20 20:18:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-20 20:18:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 20:18:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 20:18:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 20:18:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 20:18:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-20 20:18:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-20 20:18:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-20 20:18:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-20 20:18:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-20 20:18:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-20 20:18:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-20 20:18:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-20 20:18:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 20:18:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 20:18:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-20 20:18:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-20 20:18:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-20 20:18:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-20 20:18:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-20 20:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-20 20:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-20 20:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-20 20:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-20 20:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-20 20:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-20 20:18:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-20 20:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-20 20:18:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-20 20:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-20 20:18:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-20 20:18:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-20 20:18:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-20 20:18:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-20 20:18:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-20 20:18:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-20 20:18:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-20 20:18:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-20 20:18:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-20 20:18:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-20 20:18:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-20 20:18:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-20 20:18:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-20 20:18:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-20 20:18:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-20 20:18:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-20 20:18:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-20 20:18:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-20 20:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-20 20:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-20 20:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-20 20:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-20 20:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 20:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 20:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-20 20:18:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-20 20:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-20 20:18:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-20 20:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-20 20:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-20 20:18:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-20 20:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-20 20:18:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-20 20:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-20 20:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-20 20:18:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-20 20:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-20 20:18:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-20 20:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-20 20:18:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-20 20:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-20 20:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-20 20:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-20 20:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-20 20:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-20 20:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-20 20:18:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-20 20:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-20 20:18:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-20 20:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-20 20:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-20 20:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-20 20:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-20 20:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-20 20:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-20 20:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-20 20:18:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-20 20:18:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-20 20:18:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 20:18:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 20:18:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-20 20:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-20 20:18:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-20 20:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-20 20:18:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-20 20:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-20 20:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 20:18:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 20:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-20 20:18:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-20 20:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-20 20:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-20 20:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 20:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 20:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-20 20:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-20 20:18:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-20 20:18:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-20 20:18:07,750 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:18:07,772 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:19:15,859 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:19:18,449 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:19:18,449 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 20:19:18,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:19:18 BoogieIcfgContainer [2022-11-20 20:19:18,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:19:18,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:19:18,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:19:18,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:19:18,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:17:49" (1/3) ... [2022-11-20 20:19:18,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331ca36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:19:18, skipping insertion in model container [2022-11-20 20:19:18,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:03" (2/3) ... [2022-11-20 20:19:18,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331ca36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:19:18, skipping insertion in model container [2022-11-20 20:19:18,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:19:18" (3/3) ... [2022-11-20 20:19:18,463 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 20:19:18,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:19:18,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:19:18,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:19:18,607 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65b37086, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:19:18,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:19:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 3448 states, 1937 states have (on average 1.2638100154878678) internal successors, (2448), 2070 states have internal predecessors, (2448), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) [2022-11-20 20:19:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 20:19:18,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:19:18,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:19:18,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:19:18,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:19:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1787427527, now seen corresponding path program 1 times [2022-11-20 20:19:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:19:18,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331670696] [2022-11-20 20:19:18,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:19:18,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:19:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:19:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:19:20,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:19:20,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331670696] [2022-11-20 20:19:20,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331670696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:19:20,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:19:20,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:19:20,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393384830] [2022-11-20 20:19:20,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:19:20,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:19:20,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:19:20,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:19:20,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:19:20,075 INFO L87 Difference]: Start difference. First operand has 3448 states, 1937 states have (on average 1.2638100154878678) internal successors, (2448), 2070 states have internal predecessors, (2448), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:19:22,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:24,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:27,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:31,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:19:34,007 INFO L93 Difference]: Finished difference Result 10187 states and 15384 transitions. [2022-11-20 20:19:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:19:34,010 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, (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 13 [2022-11-20 20:19:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:19:34,116 INFO L225 Difference]: With dead ends: 10187 [2022-11-20 20:19:34,116 INFO L226 Difference]: Without dead ends: 6685 [2022-11-20 20:19:34,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:19:34,168 INFO L413 NwaCegarLoop]: 6176 mSDtfsCounter, 4964 mSDsluCounter, 4597 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4966 SdHoareTripleChecker+Valid, 10773 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:19:34,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4966 Valid, 10773 Invalid, 681 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 673 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-20 20:19:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2022-11-20 20:19:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 6666. [2022-11-20 20:19:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 3735 states have (on average 1.2492637215528781) internal successors, (4666), 3967 states have internal predecessors, (4666), 2430 states have call successors, (2430), 504 states have call predecessors, (2430), 500 states have return successors, (2666), 2344 states have call predecessors, (2666), 2400 states have call successors, (2666) [2022-11-20 20:19:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9762 transitions. [2022-11-20 20:19:34,924 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9762 transitions. Word has length 13 [2022-11-20 20:19:34,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:19:34,925 INFO L495 AbstractCegarLoop]: Abstraction has 6666 states and 9762 transitions. [2022-11-20 20:19:34,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:19:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9762 transitions. [2022-11-20 20:19:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 20:19:34,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:19:34,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:19:34,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:19:34,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:19:34,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:19:34,931 INFO L85 PathProgramCache]: Analyzing trace with hash 421152271, now seen corresponding path program 1 times [2022-11-20 20:19:34,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:19:34,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629942270] [2022-11-20 20:19:34,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:19:34,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:19:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:19:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:19:35,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:19:35,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629942270] [2022-11-20 20:19:35,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629942270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:19:35,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:19:35,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:19:35,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061300153] [2022-11-20 20:19:35,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:19:35,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:19:35,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:19:35,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:19:35,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:19:35,863 INFO L87 Difference]: Start difference. First operand 6666 states and 9762 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:19:37,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:39,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:42,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:45,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:47,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:19:48,765 INFO L93 Difference]: Finished difference Result 6807 states and 9930 transitions. [2022-11-20 20:19:48,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:19:48,767 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, (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 14 [2022-11-20 20:19:48,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:19:48,835 INFO L225 Difference]: With dead ends: 6807 [2022-11-20 20:19:48,836 INFO L226 Difference]: Without dead ends: 6804 [2022-11-20 20:19:48,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:19:48,850 INFO L413 NwaCegarLoop]: 4566 mSDtfsCounter, 4842 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4845 SdHoareTripleChecker+Valid, 4698 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:19:48,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4845 Valid, 4698 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2022-11-20 20:19:48,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6804 states. [2022-11-20 20:19:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6804 to 6795. [2022-11-20 20:19:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6795 states, 3809 states have (on average 1.2480966132843265) internal successors, (4754), 4045 states have internal predecessors, (4754), 2462 states have call successors, (2462), 526 states have call predecessors, (2462), 523 states have return successors, (2701), 2377 states have call predecessors, (2701), 2433 states have call successors, (2701) [2022-11-20 20:19:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 9917 transitions. [2022-11-20 20:19:49,470 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 9917 transitions. Word has length 14 [2022-11-20 20:19:49,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:19:49,471 INFO L495 AbstractCegarLoop]: Abstraction has 6795 states and 9917 transitions. [2022-11-20 20:19:49,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:19:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 9917 transitions. [2022-11-20 20:19:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:19:49,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:19:49,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:19:49,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:19:49,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:19:49,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:19:49,474 INFO L85 PathProgramCache]: Analyzing trace with hash 167654140, now seen corresponding path program 1 times [2022-11-20 20:19:49,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:19:49,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554725517] [2022-11-20 20:19:49,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:19:49,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:19:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:19:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:19:50,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:19:50,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554725517] [2022-11-20 20:19:50,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554725517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:19:50,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:19:50,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:19:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319485366] [2022-11-20 20:19:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:19:50,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:19:50,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:19:50,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:19:50,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:19:50,282 INFO L87 Difference]: Start difference. First operand 6795 states and 9917 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:19:51,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:53,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:56,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:19:59,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:03,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:06,055 INFO L93 Difference]: Finished difference Result 13424 states and 20688 transitions. [2022-11-20 20:20:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:20:06,056 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, (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 15 [2022-11-20 20:20:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:06,180 INFO L225 Difference]: With dead ends: 13424 [2022-11-20 20:20:06,187 INFO L226 Difference]: Without dead ends: 13420 [2022-11-20 20:20:06,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:06,200 INFO L413 NwaCegarLoop]: 5992 mSDtfsCounter, 4974 mSDsluCounter, 4638 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 10630 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:06,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 10630 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 656 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2022-11-20 20:20:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13420 states. [2022-11-20 20:20:07,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13420 to 13395. [2022-11-20 20:20:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13395 states, 7520 states have (on average 1.2477393617021277) internal successors, (9383), 7964 states have internal predecessors, (9383), 4850 states have call successors, (4850), 1031 states have call predecessors, (4850), 1024 states have return successors, (6425), 4703 states have call predecessors, (6425), 4819 states have call successors, (6425) [2022-11-20 20:20:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 20658 transitions. [2022-11-20 20:20:07,502 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 20658 transitions. Word has length 15 [2022-11-20 20:20:07,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:07,502 INFO L495 AbstractCegarLoop]: Abstraction has 13395 states and 20658 transitions. [2022-11-20 20:20:07,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 20658 transitions. [2022-11-20 20:20:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 20:20:07,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:07,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:07,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:20:07,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:07,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:07,505 INFO L85 PathProgramCache]: Analyzing trace with hash 899151538, now seen corresponding path program 1 times [2022-11-20 20:20:07,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:07,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136857746] [2022-11-20 20:20:07,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:07,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:08,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136857746] [2022-11-20 20:20:08,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136857746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:08,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:08,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:20:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574247643] [2022-11-20 20:20:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:08,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:20:08,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:08,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:20:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:08,230 INFO L87 Difference]: Start difference. First operand 13395 states and 20658 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:10,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:15,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:19,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:21,827 INFO L93 Difference]: Finished difference Result 39239 states and 69191 transitions. [2022-11-20 20:20:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:20:21,828 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, (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 16 [2022-11-20 20:20:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:22,098 INFO L225 Difference]: With dead ends: 39239 [2022-11-20 20:20:22,098 INFO L226 Difference]: Without dead ends: 25851 [2022-11-20 20:20:22,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:22,279 INFO L413 NwaCegarLoop]: 5931 mSDtfsCounter, 4736 mSDsluCounter, 4607 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 10538 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:22,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4736 Valid, 10538 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 659 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-11-20 20:20:22,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25851 states. [2022-11-20 20:20:25,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25851 to 25812. [2022-11-20 20:20:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25812 states, 14487 states have (on average 1.2462897770414856) internal successors, (18055), 15352 states have internal predecessors, (18055), 9309 states have call successors, (9309), 2033 states have call predecessors, (9309), 2015 states have return successors, (16799), 9010 states have call predecessors, (16799), 9237 states have call successors, (16799) [2022-11-20 20:20:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25812 states to 25812 states and 44163 transitions. [2022-11-20 20:20:25,533 INFO L78 Accepts]: Start accepts. Automaton has 25812 states and 44163 transitions. Word has length 16 [2022-11-20 20:20:25,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:25,534 INFO L495 AbstractCegarLoop]: Abstraction has 25812 states and 44163 transitions. [2022-11-20 20:20:25,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 25812 states and 44163 transitions. [2022-11-20 20:20:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:20:25,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:25,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:25,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:20:25,537 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:25,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:25,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2100739263, now seen corresponding path program 1 times [2022-11-20 20:20:25,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:25,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425362808] [2022-11-20 20:20:25,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:25,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:26,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:26,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425362808] [2022-11-20 20:20:26,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425362808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:26,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:26,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:20:26,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75382999] [2022-11-20 20:20:26,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:26,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:20:26,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:26,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:20:26,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:26,478 INFO L87 Difference]: Start difference. First operand 25812 states and 44163 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:28,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:33,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:35,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:38,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:42,336 INFO L93 Difference]: Finished difference Result 51196 states and 104599 transitions. [2022-11-20 20:20:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:20:42,337 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, (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 17 [2022-11-20 20:20:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:43,109 INFO L225 Difference]: With dead ends: 51196 [2022-11-20 20:20:43,109 INFO L226 Difference]: Without dead ends: 51192 [2022-11-20 20:20:43,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:43,145 INFO L413 NwaCegarLoop]: 5912 mSDtfsCounter, 4941 mSDsluCounter, 4644 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4943 SdHoareTripleChecker+Valid, 10556 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:43,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4943 Valid, 10556 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 652 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2022-11-20 20:20:43,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51192 states. [2022-11-20 20:20:48,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51192 to 51161. [2022-11-20 20:20:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51161 states, 28736 states have (on average 1.2462068485523385) internal successors, (35811), 30425 states have internal predecessors, (35811), 18437 states have call successors, (18437), 4037 states have call predecessors, (18437), 3987 states have return successors, (50309), 17854 states have call predecessors, (50309), 18321 states have call successors, (50309) [2022-11-20 20:20:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51161 states to 51161 states and 104557 transitions. [2022-11-20 20:20:49,935 INFO L78 Accepts]: Start accepts. Automaton has 51161 states and 104557 transitions. Word has length 17 [2022-11-20 20:20:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:49,936 INFO L495 AbstractCegarLoop]: Abstraction has 51161 states and 104557 transitions. [2022-11-20 20:20:49,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51161 states and 104557 transitions. [2022-11-20 20:20:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 20:20:49,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:49,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:49,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:20:49,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash 695257941, now seen corresponding path program 1 times [2022-11-20 20:20:49,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:49,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234757502] [2022-11-20 20:20:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:50,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:50,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234757502] [2022-11-20 20:20:50,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234757502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:50,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:50,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:20:50,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026718883] [2022-11-20 20:20:50,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:50,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:20:50,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:50,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:20:50,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:50,617 INFO L87 Difference]: Start difference. First operand 51161 states and 104557 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:52,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:56,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:20:59,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:21:02,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:21:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:21:08,781 INFO L93 Difference]: Finished difference Result 94792 states and 258382 transitions. [2022-11-20 20:21:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:21:08,782 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, (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 18 [2022-11-20 20:21:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:21:10,501 INFO L225 Difference]: With dead ends: 94792 [2022-11-20 20:21:10,501 INFO L226 Difference]: Without dead ends: 94788 [2022-11-20 20:21:10,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:21:10,743 INFO L413 NwaCegarLoop]: 5698 mSDtfsCounter, 4699 mSDsluCounter, 4187 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 9885 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:21:10,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 9885 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 620 Invalid, 4 Unknown, 0 Unchecked, 12.6s Time] [2022-11-20 20:21:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94788 states.