./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/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_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 07:19:25,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:19:25,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:19:25,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:19:25,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:19:25,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:19:25,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:19:25,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:19:25,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:19:25,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:19:25,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:19:25,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:19:25,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:19:25,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:19:25,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:19:25,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:19:25,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:19:25,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:19:25,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:19:25,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:19:25,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:19:25,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:19:25,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:19:25,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:19:25,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:19:25,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:19:25,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:19:25,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:19:25,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:19:25,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:19:25,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:19:25,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:19:25,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:19:25,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:19:25,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:19:25,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:19:25,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:19:25,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:19:25,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:19:25,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:19:25,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:19:25,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:19:25,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:19:25,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:19:25,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:19:25,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:19:25,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:19:25,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:19:25,228 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:19:25,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:19:25,228 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:19:25,229 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:19:25,230 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:19:25,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:19:25,230 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:19:25,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:19:25,231 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:19:25,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:19:25,231 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:19:25,231 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:19:25,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:19:25,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:19:25,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:19:25,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:19:25,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:19:25,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:19:25,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:19:25,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:19:25,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:19:25,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:19:25,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:19:25,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:19:25,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:19:25,236 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:19:25,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:19:25,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:19:25,237 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:19:25,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:19:25,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:19:25,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:19:25,238 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_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-19 07:19:25,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:19:25,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:19:25,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:19:25,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:19:25,617 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:19:25,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-19 07:19:25,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/data/4e4c7d687/7978020d1de1451c80b0e8c5d5cf4f7c/FLAG751be3c74 [2022-11-19 07:19:26,939 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:19:26,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-19 07:19:27,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/data/4e4c7d687/7978020d1de1451c80b0e8c5d5cf4f7c/FLAG751be3c74 [2022-11-19 07:19:27,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/data/4e4c7d687/7978020d1de1451c80b0e8c5d5cf4f7c [2022-11-19 07:19:27,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:19:27,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:19:27,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:19:27,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:19:27,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:19:27,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:19:27" (1/1) ... [2022-11-19 07:19:27,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f89f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:27, skipping insertion in model container [2022-11-19 07:19:27,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:19:27" (1/1) ... [2022-11-19 07:19:27,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:19:27,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:19:36,922 WARN L234 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_c8920713-7a4a-4f3d-87a1-15b36b2761e5/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-19 07:19:37,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:19:37,585 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:19:38,515 WARN L234 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_c8920713-7a4a-4f3d-87a1-15b36b2761e5/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-19 07:19:38,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:19:39,206 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:19:39,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39 WrapperNode [2022-11-19 07:19:39,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:19:39,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:19:39,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:19:39,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:19:39,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:39,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:39,985 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9183 [2022-11-19 07:19:39,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:19:39,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:19:39,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:19:39,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:19:40,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:19:40,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:19:40,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:19:40,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:19:40,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (1/1) ... [2022-11-19 07:19:40,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:19:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:19:40,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:19:40,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8920713-7a4a-4f3d-87a1-15b36b2761e5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:19:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-19 07:19:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-19 07:19:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-19 07:19:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-19 07:19:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-19 07:19:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-19 07:19:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-19 07:19:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-19 07:19:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-19 07:19:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-19 07:19:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-19 07:19:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-19 07:19:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-19 07:19:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-19 07:19:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-19 07:19:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-19 07:19:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-19 07:19:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-19 07:19:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-19 07:19:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-19 07:19:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-19 07:19:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-19 07:19:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-19 07:19:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-19 07:19:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-19 07:19:40,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-19 07:19:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-19 07:19:40,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-19 07:19:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-19 07:19:40,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-19 07:19:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-19 07:19:40,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-19 07:19:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-19 07:19:40,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-19 07:19:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-19 07:19:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-19 07:19:40,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:19:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:19:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 07:19:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:19:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:19:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:19:40,742 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:19:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-19 07:19:40,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-19 07:19:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:19:40,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:19:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-19 07:19:40,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-19 07:19:40,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:19:40,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:19:40,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-19 07:19:40,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-19 07:19:40,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-19 07:19:40,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-19 07:19:40,746 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-19 07:19:40,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-19 07:19:40,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-19 07:19:40,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-19 07:19:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:19:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-19 07:19:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-19 07:19:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-19 07:19:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-19 07:19:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-19 07:19:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-19 07:19:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-19 07:19:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-19 07:19:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-19 07:19:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-19 07:19:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-19 07:19:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-19 07:19:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-19 07:19:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-19 07:19:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-19 07:19:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-19 07:19:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-19 07:19:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-19 07:19:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-19 07:19:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-19 07:19:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:19:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-19 07:19:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-19 07:19:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-19 07:19:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-19 07:19:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-19 07:19:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-19 07:19:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-19 07:19:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-19 07:19:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 07:19:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 07:19:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-19 07:19:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-19 07:19:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-19 07:19:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-19 07:19:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:19:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-19 07:19:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-19 07:19:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-19 07:19:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-19 07:19:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:19:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:19:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-19 07:19:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-19 07:19:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-19 07:19:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-19 07:19:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-19 07:19:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-19 07:19:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 07:19:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 07:19:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-19 07:19:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-19 07:19:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-19 07:19:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-19 07:19:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-19 07:19:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-19 07:19:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-19 07:19:40,768 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-19 07:19:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:19:40,768 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:19:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-19 07:19:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-19 07:19:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-19 07:19:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-19 07:19:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-19 07:19:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-19 07:19:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-19 07:19:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-19 07:19:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-19 07:19:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-19 07:19:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:19:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:19:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-19 07:19:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-19 07:19:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-19 07:19:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-19 07:19:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-19 07:19:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-19 07:19:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-19 07:19:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-19 07:19:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:19:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-19 07:19:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-19 07:19:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-19 07:19:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-19 07:19:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-19 07:19:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-19 07:19:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 07:19:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 07:19:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-19 07:19:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-19 07:19:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-19 07:19:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-19 07:19:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-19 07:19:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-19 07:19:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:19:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:19:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-19 07:19:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-19 07:19:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:19:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:19:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:19:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:19:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-19 07:19:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-19 07:19:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-19 07:19:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-19 07:19:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-19 07:19:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-19 07:19:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-19 07:19:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-19 07:19:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 07:19:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 07:19:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-19 07:19:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-19 07:19:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:19:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:19:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:19:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-19 07:19:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:19:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-19 07:19:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-19 07:19:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-19 07:19:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-19 07:19:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-19 07:19:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-19 07:19:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-19 07:19:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-19 07:19:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:19:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:19:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:19:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:19:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-19 07:19:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-19 07:19:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-19 07:19:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-19 07:19:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-19 07:19:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-19 07:19:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-19 07:19:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-19 07:19:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-19 07:19:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-19 07:19:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-19 07:19:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-19 07:19:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:19:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:19:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-19 07:19:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-19 07:19:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-19 07:19:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-19 07:19:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-19 07:19:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-19 07:19:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-19 07:19:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-19 07:19:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-19 07:19:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-19 07:19:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-19 07:19:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-19 07:19:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-19 07:19:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-19 07:19:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-19 07:19:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:19:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-19 07:19:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-19 07:19:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-19 07:19:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-19 07:19:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 07:19:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 07:19:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:19:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:19:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-19 07:19:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-19 07:19:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-19 07:19:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-19 07:19:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-19 07:19:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-19 07:19:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-19 07:19:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-19 07:19:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-19 07:19:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-19 07:19:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-19 07:19:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-19 07:19:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-19 07:19:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-19 07:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 07:19:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 07:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-19 07:19:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-19 07:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-19 07:19:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-19 07:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-19 07:19:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-19 07:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-19 07:19:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-19 07:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 07:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 07:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-19 07:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-19 07:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-19 07:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-19 07:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-19 07:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-19 07:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-19 07:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-19 07:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-19 07:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-19 07:19:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:19:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:19:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-19 07:19:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-19 07:19:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-19 07:19:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-19 07:19:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-19 07:19:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-19 07:19:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:19:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:19:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-19 07:19:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-19 07:19:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-19 07:19:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-19 07:19:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-19 07:19:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-19 07:19:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-19 07:19:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-19 07:19:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-19 07:19:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-19 07:19:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:19:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:19:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-19 07:19:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-19 07:19:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-19 07:19:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-19 07:19:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-19 07:19:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-19 07:19:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-19 07:19:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-19 07:19:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-19 07:19:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-19 07:19:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:19:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:19:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-19 07:19:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-19 07:19:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-19 07:19:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-19 07:19:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-19 07:19:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-19 07:19:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-19 07:19:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-19 07:19:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 07:19:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 07:19:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-19 07:19:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-19 07:19:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:19:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-19 07:19:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-19 07:19:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-19 07:19:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-19 07:19:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-19 07:19:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:19:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-19 07:19:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-19 07:19:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-19 07:19:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-19 07:19:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-19 07:19:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-19 07:19:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:19:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-19 07:19:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-19 07:19:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-19 07:19:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-19 07:19:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-19 07:19:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 07:19:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 07:19:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:19:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:19:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-19 07:19:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-19 07:19:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-19 07:19:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-19 07:19:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-19 07:19:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-19 07:19:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-19 07:19:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-19 07:19:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-19 07:19:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-19 07:19:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-19 07:19:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-19 07:19:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:19:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:19:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:19:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:19:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-19 07:19:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-19 07:19:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-19 07:19:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-19 07:19:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-19 07:19:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-19 07:19:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-19 07:19:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-19 07:19:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-19 07:19:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-19 07:19:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-19 07:19:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-19 07:19:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-19 07:19:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-19 07:19:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-19 07:19:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-19 07:19:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-19 07:19:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 07:19:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 07:19:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-19 07:19:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-19 07:19:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 07:19:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 07:19:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-19 07:19:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-19 07:19:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-19 07:19:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-19 07:19:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-19 07:19:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-19 07:19:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-19 07:19:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-19 07:19:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-19 07:19:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-19 07:19:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:19:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-19 07:19:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-19 07:19:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-19 07:19:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-19 07:19:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-19 07:19:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-19 07:19:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-19 07:19:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-19 07:19:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-19 07:19:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-19 07:19:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-19 07:19:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-19 07:19:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-19 07:19:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-19 07:19:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-19 07:19:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-19 07:19:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-19 07:19:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-19 07:19:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-19 07:19:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-19 07:19:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:19:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:19:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:19:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:19:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-19 07:19:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-19 07:19:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-19 07:19:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-19 07:19:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-19 07:19:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-19 07:19:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-19 07:19:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-19 07:19:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 07:19:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 07:19:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-19 07:19:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-19 07:19:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-19 07:19:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-19 07:19:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-19 07:19:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-19 07:19:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-19 07:19:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-19 07:19:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-19 07:19:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-19 07:19:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:19:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-19 07:19:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-19 07:19:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-19 07:19:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-19 07:19:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-19 07:19:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 07:19:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 07:19:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-19 07:19:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-19 07:19:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-19 07:19:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-19 07:19:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-19 07:19:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-19 07:19:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-19 07:19:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-19 07:19:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-19 07:19:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-19 07:19:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-19 07:19:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-19 07:19:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-19 07:19:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-19 07:19:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-19 07:19:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-19 07:19:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-19 07:19:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-19 07:19:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-19 07:19:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-19 07:19:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:19:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:19:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-19 07:19:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-19 07:19:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-19 07:19:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-19 07:19:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-19 07:19:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-19 07:19:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-19 07:19:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-19 07:19:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-19 07:19:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-19 07:19:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-19 07:19:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-19 07:19:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-19 07:19:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-19 07:19:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-19 07:19:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-19 07:19:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-19 07:19:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-19 07:19:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-19 07:19:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-19 07:19:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-19 07:19:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-19 07:19:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-19 07:19:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-19 07:19:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-19 07:19:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-19 07:19:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-19 07:19:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-19 07:19:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-19 07:19:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-19 07:19:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-19 07:19:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-19 07:19:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-19 07:19:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-19 07:19:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-19 07:19:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-19 07:19:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-19 07:19:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-19 07:19:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-19 07:19:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-19 07:19:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-19 07:19:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-19 07:19:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:19:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:19:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-19 07:19:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-19 07:19:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-19 07:19:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-19 07:19:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:19:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:19:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:19:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-19 07:19:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-19 07:19:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-19 07:19:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-19 07:19:42,314 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:19:42,319 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:21:17,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:21:19,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:21:19,843 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:21:19,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:21:19 BoogieIcfgContainer [2022-11-19 07:21:19,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:21:19,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:21:19,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:21:19,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:21:19,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:19:27" (1/3) ... [2022-11-19 07:21:19,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5543d5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:21:19, skipping insertion in model container [2022-11-19 07:21:19,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:39" (2/3) ... [2022-11-19 07:21:19,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5543d5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:21:19, skipping insertion in model container [2022-11-19 07:21:19,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:21:19" (3/3) ... [2022-11-19 07:21:19,868 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-19 07:21:19,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:21:19,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:21:20,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:21:20,025 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;@17e88c01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:21:20,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:21:20,039 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) [2022-11-19 07:21:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:21:20,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:20,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:21:20,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:21:20,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1948357612, now seen corresponding path program 1 times [2022-11-19 07:21:20,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:20,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365964962] [2022-11-19 07:21:20,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:20,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:21:21,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:21,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365964962] [2022-11-19 07:21:21,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365964962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:21,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:21,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:21:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408483771] [2022-11-19 07:21:21,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:21,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:21:21,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:21,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:21:21,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:21:21,465 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) [2022-11-19 07:21:22,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:24,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:29,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:34,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:36,838 INFO L93 Difference]: Finished difference Result 10187 states and 15384 transitions. [2022-11-19 07:21:36,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:21:36,841 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 [2022-11-19 07:21:36,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:36,926 INFO L225 Difference]: With dead ends: 10187 [2022-11-19 07:21:36,926 INFO L226 Difference]: Without dead ends: 6685 [2022-11-19 07:21:36,966 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 [2022-11-19 07:21:36,971 INFO L413 NwaCegarLoop]: 6122 mSDtfsCounter, 4964 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4966 SdHoareTripleChecker+Valid, 10717 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:36,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4966 Valid, 10717 Invalid, 682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 675 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-11-19 07:21:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2022-11-19 07:21:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 6666. [2022-11-19 07:21:37,556 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) [2022-11-19 07:21:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9762 transitions. [2022-11-19 07:21:37,626 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9762 transitions. Word has length 13 [2022-11-19 07:21:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:37,627 INFO L495 AbstractCegarLoop]: Abstraction has 6666 states and 9762 transitions. [2022-11-19 07:21:37,628 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) [2022-11-19 07:21:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9762 transitions. [2022-11-19 07:21:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 07:21:37,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:37,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:21:37,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:21:37,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:21:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:37,630 INFO L85 PathProgramCache]: Analyzing trace with hash 266374972, now seen corresponding path program 1 times [2022-11-19 07:21:37,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:37,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224821341] [2022-11-19 07:21:37,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:37,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:21:38,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:38,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224821341] [2022-11-19 07:21:38,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224821341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:38,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:38,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:21:38,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87956672] [2022-11-19 07:21:38,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:38,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:21:38,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:38,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:21:38,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:21:38,437 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) [2022-11-19 07:21:40,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:44,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:47,149 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 [] [2022-11-19 07:21:48,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:48,020 INFO L93 Difference]: Finished difference Result 6783 states and 9904 transitions. [2022-11-19 07:21:48,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:21:48,022 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 [2022-11-19 07:21:48,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:48,077 INFO L225 Difference]: With dead ends: 6783 [2022-11-19 07:21:48,077 INFO L226 Difference]: Without dead ends: 6780 [2022-11-19 07:21:48,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:21:48,084 INFO L413 NwaCegarLoop]: 4562 mSDtfsCounter, 4846 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4849 SdHoareTripleChecker+Valid, 4681 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:48,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4849 Valid, 4681 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2022-11-19 07:21:48,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6780 states. [2022-11-19 07:21:48,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6780 to 6773. [2022-11-19 07:21:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6773 states, 3796 states have (on average 1.2484193888303476) internal successors, (4739), 4032 states have internal predecessors, (4739), 2458 states have call successors, (2458), 521 states have call predecessors, (2458), 518 states have return successors, (2697), 2373 states have call predecessors, (2697), 2429 states have call successors, (2697) [2022-11-19 07:21:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6773 states to 6773 states and 9894 transitions. [2022-11-19 07:21:49,000 INFO L78 Accepts]: Start accepts. Automaton has 6773 states and 9894 transitions. Word has length 14 [2022-11-19 07:21:49,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:49,001 INFO L495 AbstractCegarLoop]: Abstraction has 6773 states and 9894 transitions. [2022-11-19 07:21:49,002 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) [2022-11-19 07:21:49,002 INFO L276 IsEmpty]: Start isEmpty. Operand 6773 states and 9894 transitions. [2022-11-19 07:21:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:21:49,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:49,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:21:49,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:21:49,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:21:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:49,014 INFO L85 PathProgramCache]: Analyzing trace with hash -335474449, now seen corresponding path program 1 times [2022-11-19 07:21:49,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:49,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041241945] [2022-11-19 07:21:49,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:21:49,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:49,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041241945] [2022-11-19 07:21:49,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041241945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:49,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:49,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:21:49,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116683434] [2022-11-19 07:21:49,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:49,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:21:49,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:49,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:21:49,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:21:49,888 INFO L87 Difference]: Start difference. First operand 6773 states and 9894 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) [2022-11-19 07:21:52,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:54,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:57,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:01,587 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 [] [2022-11-19 07:22:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:04,058 INFO L93 Difference]: Finished difference Result 13378 states and 20641 transitions. [2022-11-19 07:22:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:22:04,059 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 [2022-11-19 07:22:04,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:04,164 INFO L225 Difference]: With dead ends: 13378 [2022-11-19 07:22:04,165 INFO L226 Difference]: Without dead ends: 13374 [2022-11-19 07:22:04,173 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 [2022-11-19 07:22:04,174 INFO L413 NwaCegarLoop]: 6006 mSDtfsCounter, 4974 mSDsluCounter, 4636 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 10642 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:04,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 10642 Invalid, 669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2022-11-19 07:22:04,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13374 states. [2022-11-19 07:22:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13374 to 13349. [2022-11-19 07:22:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13349 states, 7493 states have (on average 1.2480982250100094) internal successors, (9352), 7937 states have internal predecessors, (9352), 4842 states have call successors, (4842), 1020 states have call predecessors, (4842), 1013 states have return successors, (6417), 4695 states have call predecessors, (6417), 4811 states have call successors, (6417) [2022-11-19 07:22:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13349 states to 13349 states and 20611 transitions. [2022-11-19 07:22:05,360 INFO L78 Accepts]: Start accepts. Automaton has 13349 states and 20611 transitions. Word has length 15 [2022-11-19 07:22:05,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:05,360 INFO L495 AbstractCegarLoop]: Abstraction has 13349 states and 20611 transitions. [2022-11-19 07:22:05,361 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) [2022-11-19 07:22:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 13349 states and 20611 transitions. [2022-11-19 07:22:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 07:22:05,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:05,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:22:05,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:22:05,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:22:05,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:05,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1812932449, now seen corresponding path program 1 times [2022-11-19 07:22:05,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:05,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683077673] [2022-11-19 07:22:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:22:06,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:06,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683077673] [2022-11-19 07:22:06,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683077673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:06,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:06,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:22:06,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364466088] [2022-11-19 07:22:06,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:06,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:22:06,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:06,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:22:06,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:22:06,142 INFO L87 Difference]: Start difference. First operand 13349 states and 20611 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) [2022-11-19 07:22:08,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:10,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:14,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:18,238 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 [] [2022-11-19 07:22:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:20,692 INFO L93 Difference]: Finished difference Result 39099 states and 69049 transitions. [2022-11-19 07:22:20,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:22:20,693 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 [2022-11-19 07:22:20,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:20,897 INFO L225 Difference]: With dead ends: 39099 [2022-11-19 07:22:20,897 INFO L226 Difference]: Without dead ends: 25757 [2022-11-19 07:22:21,040 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 [2022-11-19 07:22:21,041 INFO L413 NwaCegarLoop]: 5902 mSDtfsCounter, 4736 mSDsluCounter, 4605 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 10507 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:21,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4736 Valid, 10507 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 662 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-19 07:22:21,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25757 states. [2022-11-19 07:22:23,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25757 to 25718. [2022-11-19 07:22:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25718 states, 14432 states have (on average 1.2466740576496673) internal successors, (17992), 15297 states have internal predecessors, (17992), 9293 states have call successors, (9293), 2010 states have call predecessors, (9293), 1992 states have return successors, (16783), 8994 states have call predecessors, (16783), 9221 states have call successors, (16783) [2022-11-19 07:22:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25718 states to 25718 states and 44068 transitions. [2022-11-19 07:22:23,817 INFO L78 Accepts]: Start accepts. Automaton has 25718 states and 44068 transitions. Word has length 16 [2022-11-19 07:22:23,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:23,818 INFO L495 AbstractCegarLoop]: Abstraction has 25718 states and 44068 transitions. [2022-11-19 07:22:23,818 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) [2022-11-19 07:22:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25718 states and 44068 transitions. [2022-11-19 07:22:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:22:23,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:23,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:22:23,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:22:23,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:22:23,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash -369485326, now seen corresponding path program 1 times [2022-11-19 07:22:23,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:23,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080515774] [2022-11-19 07:22:23,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:23,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:22:24,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:24,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080515774] [2022-11-19 07:22:24,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080515774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:24,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:24,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:22:24,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253927792] [2022-11-19 07:22:24,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:24,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:22:24,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:24,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:22:24,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:22:24,699 INFO L87 Difference]: Start difference. First operand 25718 states and 44068 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) [2022-11-19 07:22:26,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:28,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:32,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:35,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:38,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:42,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:42,283 INFO L93 Difference]: Finished difference Result 51006 states and 104408 transitions. [2022-11-19 07:22:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:22:42,284 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 [2022-11-19 07:22:42,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:43,078 INFO L225 Difference]: With dead ends: 51006 [2022-11-19 07:22:43,079 INFO L226 Difference]: Without dead ends: 51002 [2022-11-19 07:22:43,113 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 [2022-11-19 07:22:43,114 INFO L413 NwaCegarLoop]: 5904 mSDtfsCounter, 4941 mSDsluCounter, 4642 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4943 SdHoareTripleChecker+Valid, 10546 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:43,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4943 Valid, 10546 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 658 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2022-11-19 07:22:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51002 states. [2022-11-19 07:22:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51002 to 50971. [2022-11-19 07:22:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50971 states, 28625 states have (on average 1.2466026200873364) internal successors, (35684), 30314 states have internal predecessors, (35684), 18405 states have call successors, (18405), 3990 states have call predecessors, (18405), 3940 states have return successors, (50277), 17822 states have call predecessors, (50277), 18289 states have call successors, (50277) [2022-11-19 07:22:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50971 states to 50971 states and 104366 transitions. [2022-11-19 07:22:49,377 INFO L78 Accepts]: Start accepts. Automaton has 50971 states and 104366 transitions. Word has length 17 [2022-11-19 07:22:49,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:49,378 INFO L495 AbstractCegarLoop]: Abstraction has 50971 states and 104366 transitions. [2022-11-19 07:22:49,378 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) [2022-11-19 07:22:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 50971 states and 104366 transitions. [2022-11-19 07:22:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:22:49,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:49,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:22:49,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:22:49,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:22:49,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:49,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1427707394, now seen corresponding path program 1 times [2022-11-19 07:22:49,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:49,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490427149] [2022-11-19 07:22:49,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:49,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:22:50,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:50,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490427149] [2022-11-19 07:22:50,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490427149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:50,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:50,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:22:50,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149297735] [2022-11-19 07:22:50,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:50,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:22:50,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:50,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:22:50,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:22:50,006 INFO L87 Difference]: Start difference. First operand 50971 states and 104366 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) [2022-11-19 07:22:51,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:53,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:58,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:01,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:08,631 INFO L93 Difference]: Finished difference Result 94410 states and 257999 transitions. [2022-11-19 07:23:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:23:08,632 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 [2022-11-19 07:23:08,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:10,280 INFO L225 Difference]: With dead ends: 94410 [2022-11-19 07:23:10,280 INFO L226 Difference]: Without dead ends: 94406 [2022-11-19 07:23:10,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:10,356 INFO L413 NwaCegarLoop]: 5693 mSDtfsCounter, 4699 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 9878 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:10,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 9878 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 626 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-19 07:23:10,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94406 states.