./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.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_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro --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 Automizer --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 [2022-11-18 20:23:03,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:23:03,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:23:03,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:23:03,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:23:03,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:23:03,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:23:03,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:23:03,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:23:03,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:23:03,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:23:03,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:23:03,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:23:03,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:23:03,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:23:03,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:23:03,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:23:03,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:23:03,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:23:03,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:23:03,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:23:03,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:23:03,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:23:03,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:23:03,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:23:03,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:23:03,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:23:03,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:23:03,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:23:03,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:23:03,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:23:03,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:23:03,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:23:03,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:23:03,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:23:03,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:23:03,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:23:03,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:23:03,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:23:03,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:23:03,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:23:03,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:23:03,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:23:03,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:23:03,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:23:03,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:23:03,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:23:03,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:23:03,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:23:03,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:23:03,192 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:23:03,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:23:03,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:23:03,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:23:03,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:23:03,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:23:03,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:23:03,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:23:03,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:23:03,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:23:03,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:23:03,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:23:03,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:23:03,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:23:03,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:23:03,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:23:03,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:23:03,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:23:03,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:23:03,198 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:23:03,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:23:03,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:23:03,199 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_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-18 20:23:03,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:23:03,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:23:03,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:23:03,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:23:03,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:23:03,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-18 20:23:03,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/data/75d8c9401/45cb33267ed94bdc81c6927acaf42dc7/FLAGe62573899 [2022-11-18 20:23:04,772 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:23:04,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-18 20:23:04,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/data/75d8c9401/45cb33267ed94bdc81c6927acaf42dc7/FLAGe62573899 [2022-11-18 20:23:04,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/data/75d8c9401/45cb33267ed94bdc81c6927acaf42dc7 [2022-11-18 20:23:04,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:23:04,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:23:04,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:23:04,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:23:04,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:23:04,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:23:04" (1/1) ... [2022-11-18 20:23:04,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c21b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:04, skipping insertion in model container [2022-11-18 20:23:04,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:23:04" (1/1) ... [2022-11-18 20:23:04,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:23:05,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:23:15,313 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_3e80a672-c87e-45b0-99f8-324a38d21852/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-18 20:23:15,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:23:15,877 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:23:16,869 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_3e80a672-c87e-45b0-99f8-324a38d21852/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-18 20:23:16,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:23:17,528 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:23:17,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17 WrapperNode [2022-11-18 20:23:17,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:23:17,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:23:17,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:23:17,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:23:17,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:17,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,212 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9183 [2022-11-18 20:23:18,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:23:18,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:23:18,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:23:18,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:23:18,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:23:18,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:23:18,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:23:18,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:23:18,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (1/1) ... [2022-11-18 20:23:18,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:23:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:23:18,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:23:18,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80a672-c87e-45b0-99f8-324a38d21852/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:23:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-18 20:23:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-18 20:23:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-18 20:23:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-18 20:23:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-18 20:23:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-18 20:23:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-18 20:23:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-18 20:23:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-18 20:23:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-18 20:23:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-18 20:23:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-18 20:23:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-18 20:23:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-18 20:23:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-18 20:23:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-18 20:23:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-18 20:23:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-18 20:23:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-18 20:23:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-18 20:23:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-18 20:23:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-18 20:23:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-18 20:23:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-18 20:23:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-18 20:23:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-18 20:23:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-18 20:23:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-18 20:23:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-18 20:23:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-18 20:23:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-18 20:23:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-18 20:23:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-18 20:23:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-18 20:23:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-18 20:23:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-18 20:23:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:23:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:23:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-18 20:23:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:23:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:23:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:23:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:23:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-18 20:23:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-18 20:23:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:23:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:23:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-18 20:23:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-18 20:23:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:23:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:23:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-18 20:23:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-18 20:23:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-18 20:23:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-18 20:23:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-18 20:23:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-18 20:23:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-18 20:23:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-18 20:23:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:23:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-18 20:23:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-18 20:23:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-18 20:23:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-18 20:23:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-18 20:23:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-18 20:23:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-18 20:23:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-18 20:23:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-18 20:23:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-18 20:23:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-18 20:23:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-18 20:23:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-18 20:23:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-18 20:23:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-18 20:23:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-18 20:23:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-18 20:23:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-18 20:23:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-18 20:23:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-18 20:23:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:23:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-18 20:23:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-18 20:23:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-18 20:23:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-18 20:23:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-18 20:23:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-18 20:23:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-18 20:23:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-18 20:23:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 20:23:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 20:23:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-18 20:23:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-18 20:23:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-18 20:23:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-18 20:23:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:23:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-18 20:23:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-18 20:23:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-18 20:23:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-18 20:23:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:23:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:23:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-18 20:23:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-18 20:23:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-18 20:23:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-18 20:23:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-18 20:23:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-18 20:23:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 20:23:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 20:23:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-18 20:23:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-18 20:23:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-18 20:23:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-18 20:23:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 20:23:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 20:23:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-18 20:23:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-18 20:23:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:23:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:23:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-18 20:23:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-18 20:23:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-18 20:23:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-18 20:23:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-18 20:23:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-18 20:23:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-18 20:23:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-18 20:23:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-18 20:23:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-18 20:23:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:23:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:23:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-18 20:23:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-18 20:23:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-18 20:23:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-18 20:23:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-18 20:23:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-18 20:23:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-18 20:23:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-18 20:23:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:23:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-18 20:23:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-18 20:23:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-18 20:23:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-18 20:23:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-18 20:23:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-18 20:23:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 20:23:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 20:23:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-18 20:23:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-18 20:23:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-18 20:23:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-18 20:23:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-18 20:23:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-18 20:23:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:23:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:23:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-18 20:23:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-18 20:23:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:23:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:23:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:23:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:23:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-18 20:23:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-18 20:23:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-18 20:23:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-18 20:23:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-18 20:23:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-18 20:23:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-18 20:23:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-18 20:23:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:23:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:23:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-18 20:23:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-18 20:23:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:23:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:23:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:23:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-18 20:23:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:23:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-18 20:23:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-18 20:23:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-18 20:23:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-18 20:23:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-18 20:23:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-18 20:23:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 20:23:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 20:23:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:23:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:23:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:23:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:23:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-18 20:23:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-18 20:23:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-18 20:23:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-18 20:23:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-18 20:23:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-18 20:23:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-18 20:23:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-18 20:23:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-18 20:23:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-18 20:23:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-18 20:23:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-18 20:23:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 20:23:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 20:23:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-18 20:23:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-18 20:23:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-18 20:23:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-18 20:23:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-18 20:23:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-18 20:23:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-18 20:23:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-18 20:23:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-18 20:23:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-18 20:23:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-18 20:23:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-18 20:23:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-18 20:23:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-18 20:23:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-18 20:23:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:23:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-18 20:23:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-18 20:23:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-18 20:23:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-18 20:23:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 20:23:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 20:23:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:23:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:23:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-18 20:23:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-18 20:23:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-18 20:23:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-18 20:23:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-18 20:23:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-18 20:23:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-18 20:23:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-18 20:23:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-18 20:23:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-18 20:23:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-18 20:23:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-18 20:23:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-18 20:23:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-18 20:23:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 20:23:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 20:23:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-18 20:23:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-18 20:23:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-18 20:23:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-18 20:23:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-18 20:23:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-18 20:23:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-18 20:23:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-18 20:23:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:23:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:23:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-18 20:23:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-18 20:23:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-18 20:23:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-18 20:23:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-18 20:23:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-18 20:23:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-18 20:23:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-18 20:23:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-18 20:23:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-18 20:23:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:23:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:23:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-18 20:23:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-18 20:23:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-18 20:23:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-18 20:23:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-18 20:23:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-18 20:23:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:23:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:23:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-18 20:23:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-18 20:23:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-18 20:23:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-18 20:23:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-18 20:23:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-18 20:23:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-18 20:23:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-18 20:23:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-18 20:23:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-18 20:23:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:23:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:23:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-18 20:23:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-18 20:23:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-18 20:23:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-18 20:23:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-18 20:23:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-18 20:23:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-18 20:23:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-18 20:23:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-18 20:23:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-18 20:23:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:23:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:23:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-18 20:23:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-18 20:23:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-18 20:23:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-18 20:23:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-18 20:23:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-18 20:23:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-18 20:23:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-18 20:23:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-18 20:23:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-18 20:23:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-18 20:23:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-18 20:23:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-18 20:23:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-18 20:23:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:23:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:23:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:23:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-18 20:23:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-18 20:23:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-18 20:23:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-18 20:23:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-18 20:23:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-18 20:23:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:23:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-18 20:23:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-18 20:23:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:23:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:23:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-18 20:23:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-18 20:23:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:23:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-18 20:23:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-18 20:23:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-18 20:23:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-18 20:23:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-18 20:23:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-18 20:23:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-18 20:23:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-18 20:23:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:23:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:23:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-18 20:23:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-18 20:23:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-18 20:23:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-18 20:23:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-18 20:23:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-18 20:23:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-18 20:23:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-18 20:23:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 20:23:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 20:23:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:23:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:23:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-18 20:23:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-18 20:23:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-18 20:23:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-18 20:23:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-18 20:23:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-18 20:23:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-18 20:23:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-18 20:23:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-18 20:23:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-18 20:23:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-18 20:23:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-18 20:23:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:23:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:23:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:23:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:23:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-18 20:23:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-18 20:23:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-18 20:23:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-18 20:23:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-18 20:23:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-18 20:23:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-18 20:23:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-18 20:23:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-18 20:23:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-18 20:23:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-18 20:23:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-18 20:23:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-18 20:23:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-18 20:23:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-18 20:23:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-18 20:23:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-18 20:23:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-18 20:23:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-18 20:23:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-18 20:23:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-18 20:23:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 20:23:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 20:23:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-18 20:23:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-18 20:23:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-18 20:23:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-18 20:23:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-18 20:23:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-18 20:23:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-18 20:23:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-18 20:23:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-18 20:23:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-18 20:23:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:23:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-18 20:23:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-18 20:23:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-18 20:23:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-18 20:23:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-18 20:23:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-18 20:23:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-18 20:23:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-18 20:23:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-18 20:23:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-18 20:23:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-18 20:23:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-18 20:23:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-18 20:23:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-18 20:23:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-18 20:23:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-18 20:23:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-18 20:23:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-18 20:23:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-18 20:23:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-18 20:23:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:23:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:23:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:23:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:23:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-18 20:23:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-18 20:23:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-18 20:23:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-18 20:23:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-18 20:23:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-18 20:23:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-18 20:23:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-18 20:23:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 20:23:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 20:23:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-18 20:23:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-18 20:23:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-18 20:23:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-18 20:23:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-18 20:23:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-18 20:23:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-18 20:23:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-18 20:23:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-18 20:23:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-18 20:23:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:23:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-18 20:23:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-18 20:23:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-18 20:23:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-18 20:23:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-18 20:23:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-18 20:23:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-18 20:23:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-18 20:23:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-18 20:23:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-18 20:23:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-18 20:23:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-18 20:23:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-18 20:23:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-18 20:23:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-18 20:23:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-18 20:23:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-18 20:23:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-18 20:23:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-18 20:23:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-18 20:23:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-18 20:23:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-18 20:23:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-18 20:23:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-18 20:23:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-18 20:23:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-18 20:23:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-18 20:23:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:23:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:23:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-18 20:23:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-18 20:23:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-18 20:23:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-18 20:23:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-18 20:23:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-18 20:23:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-18 20:23:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-18 20:23:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-18 20:23:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-18 20:23:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-18 20:23:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-18 20:23:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-18 20:23:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-18 20:23:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-18 20:23:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-18 20:23:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-18 20:23:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-18 20:23:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-18 20:23:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-18 20:23:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-18 20:23:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-18 20:23:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-18 20:23:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-18 20:23:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-18 20:23:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-18 20:23:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-18 20:23:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-18 20:23:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-18 20:23:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-18 20:23:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-18 20:23:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-18 20:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-18 20:23:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-18 20:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-18 20:23:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-18 20:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-18 20:23:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-18 20:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-18 20:23:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-18 20:23:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-18 20:23:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-18 20:23:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:23:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:23:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-18 20:23:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-18 20:23:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-18 20:23:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-18 20:23:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:23:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 20:23:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 20:23:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-18 20:23:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-18 20:23:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-18 20:23:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-18 20:23:20,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:23:20,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:24:57,942 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:24:57,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:24:57,981 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:24:57,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:24:57 BoogieIcfgContainer [2022-11-18 20:24:57,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:24:57,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:24:57,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:24:57,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:24:57,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:23:04" (1/3) ... [2022-11-18 20:24:57,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2027c250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:24:57, skipping insertion in model container [2022-11-18 20:24:57,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:17" (2/3) ... [2022-11-18 20:24:57,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2027c250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:24:57, skipping insertion in model container [2022-11-18 20:24:57,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:24:57" (3/3) ... [2022-11-18 20:24:58,011 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-18 20:24:58,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:24:58,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:24:58,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:24:58,193 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=PETRI_NET, 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;@360b0660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:24:58,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:24:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 3920 states, 2409 states have (on average 1.2652552926525529) internal successors, (3048), 2542 states have internal predecessors, (3048), 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) [2022-11-18 20:24:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 20:24:58,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:24:58,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:24:58,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:24:58,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:24:58,226 INFO L85 PathProgramCache]: Analyzing trace with hash -956403146, now seen corresponding path program 1 times [2022-11-18 20:24:58,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:24:58,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4038470] [2022-11-18 20:24:58,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:24:58,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:24:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:24:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:24:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:24:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:24:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:24:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:24:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:24:59,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4038470] [2022-11-18 20:24:59,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4038470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:24:59,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:24:59,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:24:59,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044902018] [2022-11-18 20:24:59,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:24:59,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:24:59,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:24:59,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:24:59,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:24:59,739 INFO L87 Difference]: Start difference. First operand has 3920 states, 2409 states have (on average 1.2652552926525529) internal successors, (3048), 2542 states have internal predecessors, (3048), 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 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:25:01,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:02,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:08,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:34,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:46,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:49,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:51,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:55,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:57,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:00,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:04,048 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 [] [2022-11-18 20:26:26,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:26,603 INFO L93 Difference]: Finished difference Result 12624 states and 18959 transitions. [2022-11-18 20:26:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:26,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 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 19 [2022-11-18 20:26:26,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:26,688 INFO L225 Difference]: With dead ends: 12624 [2022-11-18 20:26:26,689 INFO L226 Difference]: Without dead ends: 8651 [2022-11-18 20:26:26,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:26,727 INFO L413 NwaCegarLoop]: 3037 mSDtfsCounter, 8076 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 11538 mSolverCounterSat, 4283 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9172 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 15830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4283 IncrementalHoareTripleChecker+Valid, 11538 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:26,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9172 Valid, 5536 Invalid, 15830 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4283 Valid, 11538 Invalid, 9 Unknown, 0 Unchecked, 84.7s Time] [2022-11-18 20:26:26,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2022-11-18 20:26:27,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 8564. [2022-11-18 20:26:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8564 states, 5244 states have (on average 1.247711670480549) internal successors, (6543), 5518 states have internal predecessors, (6543), 2697 states have call successors, (2697), 503 states have call predecessors, (2697), 622 states have return successors, (3232), 2712 states have call predecessors, (3232), 2667 states have call successors, (3232) [2022-11-18 20:26:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 12472 transitions. [2022-11-18 20:26:27,840 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 12472 transitions. Word has length 19 [2022-11-18 20:26:27,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:27,841 INFO L495 AbstractCegarLoop]: Abstraction has 8564 states and 12472 transitions. [2022-11-18 20:26:27,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:26:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 12472 transitions. [2022-11-18 20:26:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:26:27,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:27,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:27,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:26:27,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:27,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash 413104690, now seen corresponding path program 1 times [2022-11-18 20:26:27,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:27,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385432758] [2022-11-18 20:26:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:28,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:28,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385432758] [2022-11-18 20:26:28,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385432758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:28,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:28,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:28,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768872439] [2022-11-18 20:26:28,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:28,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:26:28,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:28,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:26:28,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:26:28,900 INFO L87 Difference]: Start difference. First operand 8564 states and 12472 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:26:31,068 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 [] [2022-11-18 20:26:33,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:38,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:02,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:05,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:15,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:17,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:20,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:22,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:25,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:28,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:49,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:49,197 INFO L93 Difference]: Finished difference Result 15427 states and 22396 transitions. [2022-11-18 20:27:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:27:49,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 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 20 [2022-11-18 20:27:49,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:49,305 INFO L225 Difference]: With dead ends: 15427 [2022-11-18 20:27:49,305 INFO L226 Difference]: Without dead ends: 15424 [2022-11-18 20:27:49,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:27:49,320 INFO L413 NwaCegarLoop]: 2544 mSDtfsCounter, 7726 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 10467 mSolverCounterSat, 4098 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8846 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 14576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 10467 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:49,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8846 Valid, 4134 Invalid, 14576 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4098 Valid, 10467 Invalid, 11 Unknown, 0 Unchecked, 78.3s Time] [2022-11-18 20:27:49,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15424 states. [2022-11-18 20:27:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15424 to 15279. [2022-11-18 20:27:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15279 states, 9334 states have (on average 1.2422326976644524) internal successors, (11595), 9825 states have internal predecessors, (11595), 4757 states have call successors, (4757), 946 states have call predecessors, (4757), 1187 states have return successors, (5812), 4815 states have call predecessors, (5812), 4728 states have call successors, (5812) [2022-11-18 20:27:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15279 states to 15279 states and 22164 transitions. [2022-11-18 20:27:51,059 INFO L78 Accepts]: Start accepts. Automaton has 15279 states and 22164 transitions. Word has length 20 [2022-11-18 20:27:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:51,059 INFO L495 AbstractCegarLoop]: Abstraction has 15279 states and 22164 transitions. [2022-11-18 20:27:51,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:27:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 15279 states and 22164 transitions. [2022-11-18 20:27:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 20:27:51,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:51,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:51,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:27:51,061 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:51,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash -81820487, now seen corresponding path program 1 times [2022-11-18 20:27:51,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:51,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160825618] [2022-11-18 20:27:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:51,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:51,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160825618] [2022-11-18 20:27:51,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160825618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:51,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:51,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:27:51,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667496105] [2022-11-18 20:27:51,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:51,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:27:51,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:51,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:27:51,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:27:51,982 INFO L87 Difference]: Start difference. First operand 15279 states and 22164 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:27:54,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:55,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:01,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:28,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:40,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:43,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:45,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:50,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:13,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:13,086 INFO L93 Difference]: Finished difference Result 30663 states and 46871 transitions. [2022-11-18 20:29:13,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:29:13,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 4 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 21 [2022-11-18 20:29:13,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:13,277 INFO L225 Difference]: With dead ends: 30663 [2022-11-18 20:29:13,277 INFO L226 Difference]: Without dead ends: 30659 [2022-11-18 20:29:13,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:29:13,298 INFO L413 NwaCegarLoop]: 3031 mSDtfsCounter, 8042 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 11487 mSolverCounterSat, 4406 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9148 SdHoareTripleChecker+Valid, 5572 SdHoareTripleChecker+Invalid, 15899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4406 IncrementalHoareTripleChecker+Valid, 11487 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:13,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9148 Valid, 5572 Invalid, 15899 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4406 Valid, 11487 Invalid, 6 Unknown, 0 Unchecked, 78.1s Time] [2022-11-18 20:29:13,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30659 states. [2022-11-18 20:29:16,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30659 to 30439. [2022-11-18 20:29:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30439 states, 18610 states have (on average 1.2417517463729177) internal successors, (23109), 19565 states have internal predecessors, (23109), 9461 states have call successors, (9461), 1882 states have call predecessors, (9461), 2367 states have return successors, (13883), 9607 states have call predecessors, (13883), 9430 states have call successors, (13883) [2022-11-18 20:29:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30439 states to 30439 states and 46453 transitions. [2022-11-18 20:29:16,321 INFO L78 Accepts]: Start accepts. Automaton has 30439 states and 46453 transitions. Word has length 21 [2022-11-18 20:29:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:16,321 INFO L495 AbstractCegarLoop]: Abstraction has 30439 states and 46453 transitions. [2022-11-18 20:29:16,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 30439 states and 46453 transitions. [2022-11-18 20:29:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:29:16,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:16,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:16,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:29:16,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:16,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:16,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1755373077, now seen corresponding path program 1 times [2022-11-18 20:29:16,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:16,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883983756] [2022-11-18 20:29:16,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:16,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:17,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:17,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:17,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883983756] [2022-11-18 20:29:17,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883983756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:17,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:17,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:29:17,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250597843] [2022-11-18 20:29:17,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:17,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:29:17,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:17,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:29:17,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:29:17,178 INFO L87 Difference]: Start difference. First operand 30439 states and 46453 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:19,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:21,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:26,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:50,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:08,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:10,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:15,294 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 [] [2022-11-18 20:30:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:35,788 INFO L93 Difference]: Finished difference Result 89902 states and 156179 transitions. [2022-11-18 20:30:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:30:35,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 4 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 22 [2022-11-18 20:30:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:36,223 INFO L225 Difference]: With dead ends: 89902 [2022-11-18 20:30:36,223 INFO L226 Difference]: Without dead ends: 59476 [2022-11-18 20:30:36,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:30:36,573 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 7813 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 11495 mSolverCounterSat, 4229 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8861 SdHoareTripleChecker+Valid, 5533 SdHoareTripleChecker+Invalid, 15731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4229 IncrementalHoareTripleChecker+Valid, 11495 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:36,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8861 Valid, 5533 Invalid, 15731 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4229 Valid, 11495 Invalid, 7 Unknown, 0 Unchecked, 73.4s Time] [2022-11-18 20:30:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59476 states. [2022-11-18 20:30:42,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59476 to 59066. [2022-11-18 20:30:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59066 states, 36138 states have (on average 1.2397476340694007) internal successors, (44802), 38040 states have internal predecessors, (44802), 18226 states have call successors, (18226), 3737 states have call predecessors, (18226), 4701 states have return successors, (36285), 18480 states have call predecessors, (36285), 18110 states have call successors, (36285) [2022-11-18 20:30:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59066 states to 59066 states and 99313 transitions. [2022-11-18 20:30:43,485 INFO L78 Accepts]: Start accepts. Automaton has 59066 states and 99313 transitions. Word has length 22 [2022-11-18 20:30:43,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:43,488 INFO L495 AbstractCegarLoop]: Abstraction has 59066 states and 99313 transitions. [2022-11-18 20:30:43,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:30:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 59066 states and 99313 transitions. [2022-11-18 20:30:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:30:43,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:43,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:30:43,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:30:43,491 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1421163716, now seen corresponding path program 1 times [2022-11-18 20:30:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:43,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955226233] [2022-11-18 20:30:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:44,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955226233] [2022-11-18 20:30:44,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955226233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:44,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:44,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:30:44,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383613586] [2022-11-18 20:30:44,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:44,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:30:44,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:44,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:30:44,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:30:44,564 INFO L87 Difference]: Start difference. First operand 59066 states and 99313 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:30:45,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:47,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:52,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:15,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:33,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:35,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:38,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:40,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:44,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:46,963 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 [] [2022-11-18 20:32:11,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:11,035 INFO L93 Difference]: Finished difference Result 118119 states and 235947 transitions. [2022-11-18 20:32:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:32:11,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 4 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 23 [2022-11-18 20:32:11,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:12,367 INFO L225 Difference]: With dead ends: 118119 [2022-11-18 20:32:12,367 INFO L226 Difference]: Without dead ends: 118115 [2022-11-18 20:32:12,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:32:12,464 INFO L413 NwaCegarLoop]: 3041 mSDtfsCounter, 7970 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 11529 mSolverCounterSat, 4379 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9068 SdHoareTripleChecker+Valid, 5599 SdHoareTripleChecker+Invalid, 15916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4379 IncrementalHoareTripleChecker+Valid, 11529 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:12,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9068 Valid, 5599 Invalid, 15916 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4379 Valid, 11529 Invalid, 8 Unknown, 0 Unchecked, 76.7s Time] [2022-11-18 20:32:12,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118115 states. [2022-11-18 20:32:24,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118115 to 117389. [2022-11-18 20:32:24,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117389 states, 71857 states have (on average 1.239628707015322) internal successors, (89076), 75607 states have internal predecessors, (89076), 36178 states have call successors, (36178), 7453 states have call predecessors, (36178), 9353 states have return successors, (108293), 36696 states have call predecessors, (108293), 35974 states have call successors, (108293) [2022-11-18 20:32:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117389 states to 117389 states and 233547 transitions. [2022-11-18 20:32:27,384 INFO L78 Accepts]: Start accepts. Automaton has 117389 states and 233547 transitions. Word has length 23 [2022-11-18 20:32:27,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:27,385 INFO L495 AbstractCegarLoop]: Abstraction has 117389 states and 233547 transitions. [2022-11-18 20:32:27,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:32:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 117389 states and 233547 transitions. [2022-11-18 20:32:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:32:27,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:27,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:27,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:32:27,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:27,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:27,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1109551624, now seen corresponding path program 1 times [2022-11-18 20:32:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:27,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609179736] [2022-11-18 20:32:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:32:28,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609179736] [2022-11-18 20:32:28,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609179736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:28,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:28,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:32:28,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202256361] [2022-11-18 20:32:28,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:28,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:32:28,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:32:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:32:28,237 INFO L87 Difference]: Start difference. First operand 117389 states and 233547 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:32:30,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:32,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:37,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:02,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:20,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:22,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:25,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:27,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:30,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:33,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []