./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 5e519f3a 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_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/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_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 20:30:09,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:09,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:09,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:09,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:09,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:09,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:09,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:09,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:09,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:09,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:09,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:09,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:09,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:09,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:09,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:09,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:09,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:09,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:09,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:09,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:09,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:09,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:09,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:09,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:09,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:09,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:09,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:09,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:09,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:09,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:09,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:09,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:09,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:09,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:09,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:09,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:09,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:09,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:09,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:09,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:09,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:30:09,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:09,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:09,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:09,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:09,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:30:09,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:30:09,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:09,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:09,943 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:09,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:09,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:09,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:09,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:30:09,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:30:09,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:30:09,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:09,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:09,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:30:09,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:09,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:09,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:30:09,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:09,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:09,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:30:09,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:30:09,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:09,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:30:09,950 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:30:09,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:30:09,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:30:09,951 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_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-02 20:30:10,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:10,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:10,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:10,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:10,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:10,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-02 20:30:10,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/data/7ae6e633f/2f628a12408146858e46b80e1840f383/FLAG2901d44b6 [2022-11-02 20:30:11,823 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:11,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-02 20:30:11,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/data/7ae6e633f/2f628a12408146858e46b80e1840f383/FLAG2901d44b6 [2022-11-02 20:30:12,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/data/7ae6e633f/2f628a12408146858e46b80e1840f383 [2022-11-02 20:30:12,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:12,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:12,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:12,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:12,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:12,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:12" (1/1) ... [2022-11-02 20:30:12,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c62d8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:12, skipping insertion in model container [2022-11-02 20:30:12,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:12" (1/1) ... [2022-11-02 20:30:12,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:12,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:23,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-02 20:30:24,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:24,649 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:25,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-02 20:30:25,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:26,826 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:26,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26 WrapperNode [2022-11-02 20:30:26,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:26,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:26,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:26,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:26,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,415 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9221 [2022-11-02 20:30:27,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:27,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:27,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:27,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:27,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:27,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:28,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:28,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:28,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:28,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:28,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (1/1) ... [2022-11-02 20:30:28,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:28,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:28,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:28,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329a3fb8-d94a-4b6a-a79b-114bebbae306/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-02 20:30:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-02 20:30:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-02 20:30:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-02 20:30:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-02 20:30:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-02 20:30:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-02 20:30:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-02 20:30:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-02 20:30:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-02 20:30:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-02 20:30:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-02 20:30:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-02 20:30:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-02 20:30:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-02 20:30:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-02 20:30:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 20:30:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 20:30:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-02 20:30:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-02 20:30:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-02 20:30:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-02 20:30:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-02 20:30:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-02 20:30:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-02 20:30:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-02 20:30:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-02 20:30:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-02 20:30:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-02 20:30:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-02 20:30:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-02 20:30:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-02 20:30:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-02 20:30:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-02 20:30:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-02 20:30:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-02 20:30:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:30:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:30:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-02 20:30:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:30:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:30:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:30:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:30:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-02 20:30:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-02 20:30:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:30:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:30:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-02 20:30:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-02 20:30:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:30:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:30:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-02 20:30:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-02 20:30:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-02 20:30:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-02 20:30:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-02 20:30:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-02 20:30:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-02 20:30:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-02 20:30:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:30:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-02 20:30:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-02 20:30:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-02 20:30:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-02 20:30:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-02 20:30:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-02 20:30:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-02 20:30:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-02 20:30:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-02 20:30:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-02 20:30:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-02 20:30:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-02 20:30:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-02 20:30:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-02 20:30:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-02 20:30:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-02 20:30:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-02 20:30:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-02 20:30:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-02 20:30:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-02 20:30:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:30:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-02 20:30:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-02 20:30:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-02 20:30:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-02 20:30:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-02 20:30:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-02 20:30:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-02 20:30:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-02 20:30:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 20:30:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 20:30:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-02 20:30:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-02 20:30:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-02 20:30:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-02 20:30:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:30:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-02 20:30:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-02 20:30:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-02 20:30:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-02 20:30:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:30:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:30:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-02 20:30:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-02 20:30:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-02 20:30:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-02 20:30:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-02 20:30:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-02 20:30:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:30:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:30:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-02 20:30:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-02 20:30:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-02 20:30:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-02 20:30:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 20:30:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 20:30:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-02 20:30:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-02 20:30:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:30:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:30:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-02 20:30:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-02 20:30:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-02 20:30:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-02 20:30:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-02 20:30:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-02 20:30:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-02 20:30:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-02 20:30:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 20:30:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 20:30:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-02 20:30:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-02 20:30:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-02 20:30:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-02 20:30:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-02 20:30:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-02 20:30:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-02 20:30:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-02 20:30:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:30:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-02 20:30:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-02 20:30:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-02 20:30:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-02 20:30:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-02 20:30:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-02 20:30:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:30:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:30:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-02 20:30:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-02 20:30:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-02 20:30:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-02 20:30:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-02 20:30:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-02 20:30:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:30:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:30:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-02 20:30:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-02 20:30:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:30:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:30:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:30:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:30:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-02 20:30:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-02 20:30:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-02 20:30:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-02 20:30:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-02 20:30:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-02 20:30:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-02 20:30:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-02 20:30:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:30:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:30:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-02 20:30:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-02 20:30:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:30:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:30:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:30:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-02 20:30:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:30:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-02 20:30:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-02 20:30:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-02 20:30:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-02 20:30:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-02 20:30:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-02 20:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 20:30:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 20:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:30:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:30:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-02 20:30:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-02 20:30:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-02 20:30:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-02 20:30:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:30:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:30:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-02 20:30:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-02 20:30:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-02 20:30:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-02 20:30:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-02 20:30:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-02 20:30:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:30:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:30:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-02 20:30:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-02 20:30:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-02 20:30:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-02 20:30:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-02 20:30:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-02 20:30:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-02 20:30:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-02 20:30:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-02 20:30:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-02 20:30:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-02 20:30:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-02 20:30:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-02 20:30:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-02 20:30:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-02 20:30:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:30:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-02 20:30:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-02 20:30:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-02 20:30:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-02 20:30:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:30:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:30:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:30:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:30:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-02 20:30:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-02 20:30:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-02 20:30:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-02 20:30:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-02 20:30:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-02 20:30:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-02 20:30:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-02 20:30:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-02 20:30:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-02 20:30:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-02 20:30:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-02 20:30:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-02 20:30:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-02 20:30:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:30:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:30:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-02 20:30:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-02 20:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-02 20:30:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-02 20:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-02 20:30:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-02 20:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-02 20:30:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-02 20:30:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:30:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:30:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-02 20:30:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-02 20:30:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-02 20:30:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-02 20:30:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-02 20:30:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-02 20:30:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-02 20:30:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-02 20:30:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-02 20:30:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-02 20:30:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:30:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:30:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-02 20:30:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-02 20:30:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-02 20:30:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-02 20:30:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-02 20:30:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-02 20:30:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:30:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:30:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-02 20:30:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-02 20:30:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-02 20:30:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-02 20:30:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-02 20:30:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-02 20:30:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-02 20:30:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-02 20:30:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-02 20:30:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-02 20:30:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:30:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:30:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-02 20:30:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-02 20:30:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-02 20:30:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-02 20:30:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-02 20:30:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-02 20:30:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-02 20:30:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-02 20:30:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-02 20:30:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-02 20:30:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:30:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:30:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-02 20:30:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-02 20:30:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-02 20:30:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-02 20:30:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-02 20:30:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-02 20:30:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-02 20:30:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-02 20:30:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 20:30:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 20:30:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-02 20:30:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-02 20:30:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-02 20:30:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-02 20:30:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:30:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:30:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:30:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-02 20:30:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-02 20:30:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-02 20:30:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-02 20:30:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-02 20:30:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-02 20:30:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:30:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-02 20:30:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-02 20:30:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:30:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:30:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-02 20:30:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-02 20:30:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:30:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-02 20:30:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-02 20:30:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-02 20:30:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-02 20:30:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-02 20:30:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-02 20:30:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-02 20:30:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-02 20:30:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:30:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:30:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-02 20:30:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-02 20:30:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-02 20:30:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-02 20:30:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-02 20:30:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-02 20:30:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-02 20:30:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-02 20:30:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 20:30:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 20:30:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:30:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:30:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-02 20:30:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-02 20:30:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-02 20:30:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-02 20:30:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-02 20:30:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-02 20:30:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-02 20:30:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-02 20:30:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-02 20:30:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-02 20:30:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-02 20:30:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-02 20:30:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:30:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:30:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:30:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:30:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-02 20:30:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-02 20:30:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-02 20:30:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-02 20:30:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-02 20:30:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-02 20:30:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-02 20:30:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-02 20:30:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-02 20:30:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-02 20:30:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-02 20:30:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-02 20:30:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-02 20:30:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-02 20:30:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-02 20:30:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-02 20:30:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-02 20:30:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:30:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:30:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-02 20:30:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-02 20:30:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:30:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:30:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-02 20:30:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-02 20:30:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-02 20:30:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-02 20:30:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-02 20:30:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-02 20:30:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-02 20:30:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-02 20:30:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-02 20:30:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-02 20:30:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:30:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-02 20:30:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-02 20:30:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-02 20:30:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-02 20:30:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-02 20:30:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-02 20:30:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-02 20:30:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-02 20:30:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-02 20:30:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-02 20:30:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-02 20:30:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-02 20:30:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-02 20:30:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-02 20:30:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-02 20:30:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-02 20:30:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-02 20:30:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-02 20:30:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-02 20:30:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-02 20:30:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:30:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:30:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:30:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:30:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-02 20:30:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-02 20:30:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-02 20:30:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-02 20:30:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-02 20:30:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-02 20:30:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-02 20:30:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-02 20:30:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:30:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:30:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-02 20:30:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-02 20:30:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-02 20:30:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-02 20:30:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-02 20:30:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-02 20:30:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-02 20:30:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-02 20:30:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-02 20:30:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-02 20:30:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:30:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-02 20:30:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-02 20:30:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-02 20:30:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-02 20:30:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-02 20:30:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-02 20:30:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-02 20:30:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-02 20:30:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-02 20:30:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-02 20:30:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-02 20:30:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-02 20:30:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-02 20:30:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-02 20:30:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-02 20:30:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-02 20:30:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-02 20:30:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-02 20:30:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-02 20:30:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-02 20:30:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-02 20:30:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-02 20:30:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-02 20:30:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-02 20:30:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-02 20:30:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-02 20:30:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-02 20:30:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:30:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:30:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-02 20:30:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-02 20:30:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-02 20:30:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-02 20:30:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-02 20:30:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-02 20:30:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-02 20:30:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-02 20:30:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-02 20:30:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-02 20:30:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-02 20:30:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-02 20:30:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-02 20:30:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-02 20:30:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-02 20:30:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-02 20:30:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-02 20:30:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-02 20:30:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-02 20:30:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-02 20:30:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-02 20:30:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-02 20:30:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-02 20:30:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-02 20:30:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-02 20:30:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-02 20:30:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-02 20:30:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-02 20:30:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-02 20:30:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-02 20:30:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-02 20:30:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-02 20:30:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-02 20:30:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-02 20:30:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-02 20:30:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-02 20:30:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-02 20:30:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-02 20:30:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-02 20:30:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-02 20:30:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-02 20:30:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-02 20:30:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:30:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:30:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-02 20:30:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-02 20:30:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:30:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:30:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:30:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:30:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:30:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-02 20:30:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-02 20:30:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-02 20:30:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-02 20:30:29,816 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:29,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:31:31,380 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:31:31,404 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:31:31,404 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:31:31,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:31 BoogieIcfgContainer [2022-11-02 20:31:31,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:31:31,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:31:31,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:31:31,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:31:31,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:12" (1/3) ... [2022-11-02 20:31:31,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7946e665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:31:31, skipping insertion in model container [2022-11-02 20:31:31,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:26" (2/3) ... [2022-11-02 20:31:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7946e665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:31:31, skipping insertion in model container [2022-11-02 20:31:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:31" (3/3) ... [2022-11-02 20:31:31,420 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-02 20:31:31,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:31:31,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:31:31,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:31:31,574 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;@2694f7aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:31:31,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:31:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 3944 states, 2433 states have (on average 1.2675709001233046) internal successors, (3084), 2566 states have internal predecessors, (3084), 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) [2022-11-02 20:31:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:31:31,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:31,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:31,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:31,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:31,612 INFO L85 PathProgramCache]: Analyzing trace with hash 101047357, now seen corresponding path program 1 times [2022-11-02 20:31:31,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:31,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837169448] [2022-11-02 20:31:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:33,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:33,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837169448] [2022-11-02 20:31:33,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837169448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:33,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:33,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:33,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962673543] [2022-11-02 20:31:33,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:33,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:33,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:33,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:33,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:33,309 INFO L87 Difference]: Start difference. First operand has 3944 states, 2433 states have (on average 1.2675709001233046) internal successors, (3084), 2566 states have internal predecessors, (3084), 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) [2022-11-02 20:31:34,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:36,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:47,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:55,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:58,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:00,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:05,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:12,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:28,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:32,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:35,633 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 [] [2022-11-02 20:32:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:44,938 INFO L93 Difference]: Finished difference Result 11868 states and 17630 transitions. [2022-11-02 20:32:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:32:44,941 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 [2022-11-02 20:32:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:45,027 INFO L225 Difference]: With dead ends: 11868 [2022-11-02 20:32:45,027 INFO L226 Difference]: Without dead ends: 7873 [2022-11-02 20:32:45,063 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 [2022-11-02 20:32:45,066 INFO L413 NwaCegarLoop]: 5362 mSDtfsCounter, 7965 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 8033 mSolverCounterSat, 4212 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9034 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 12253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4212 IncrementalHoareTripleChecker+Valid, 8033 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:45,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9034 Valid, 6963 Invalid, 12253 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4212 Valid, 8033 Invalid, 8 Unknown, 0 Unchecked, 69.8s Time] [2022-11-02 20:32:45,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7873 states. [2022-11-02 20:32:45,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7873 to 7328. [2022-11-02 20:32:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7328 states, 4499 states have (on average 1.2480551233607469) internal successors, (5615), 4734 states have internal predecessors, (5615), 2289 states have call successors, (2289), 477 states have call predecessors, (2289), 539 states have return successors, (2535), 2262 states have call predecessors, (2535), 2261 states have call successors, (2535) [2022-11-02 20:32:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7328 states to 7328 states and 10439 transitions. [2022-11-02 20:32:45,943 INFO L78 Accepts]: Start accepts. Automaton has 7328 states and 10439 transitions. Word has length 19 [2022-11-02 20:32:45,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:45,944 INFO L495 AbstractCegarLoop]: Abstraction has 7328 states and 10439 transitions. [2022-11-02 20:32:45,944 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) [2022-11-02 20:32:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 7328 states and 10439 transitions. [2022-11-02 20:32:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 20:32:45,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:45,946 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] [2022-11-02 20:32:45,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:32:45,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:45,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:45,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1165707191, now seen corresponding path program 1 times [2022-11-02 20:32:45,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:45,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093607223] [2022-11-02 20:32:45,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:32:46,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:46,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093607223] [2022-11-02 20:32:46,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093607223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:46,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:46,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:32:46,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505105278] [2022-11-02 20:32:46,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:46,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:32:46,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:32:46,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:32:46,914 INFO L87 Difference]: Start difference. First operand 7328 states and 10439 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) [2022-11-02 20:32:48,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:50,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:00,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:07,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:09,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:11,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:14,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:23,868 INFO L93 Difference]: Finished difference Result 7860 states and 11279 transitions. [2022-11-02 20:33:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:33:23,869 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 [2022-11-02 20:33:23,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:23,925 INFO L225 Difference]: With dead ends: 7860 [2022-11-02 20:33:23,926 INFO L226 Difference]: Without dead ends: 7857 [2022-11-02 20:33:23,932 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 [2022-11-02 20:33:23,933 INFO L413 NwaCegarLoop]: 4306 mSDtfsCounter, 6275 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 3344 mSolverCounterSat, 3179 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6960 SdHoareTripleChecker+Valid, 4896 SdHoareTripleChecker+Invalid, 6528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3179 IncrementalHoareTripleChecker+Valid, 3344 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:23,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6960 Valid, 4896 Invalid, 6528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3179 Valid, 3344 Invalid, 5 Unknown, 0 Unchecked, 36.0s Time] [2022-11-02 20:33:23,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7857 states. [2022-11-02 20:33:24,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7857 to 7327. [2022-11-02 20:33:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7327 states, 4499 states have (on average 1.2478328517448323) internal successors, (5614), 4733 states have internal predecessors, (5614), 2288 states have call successors, (2288), 477 states have call predecessors, (2288), 539 states have return successors, (2535), 2262 states have call predecessors, (2535), 2261 states have call successors, (2535) [2022-11-02 20:33:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7327 states to 7327 states and 10437 transitions. [2022-11-02 20:33:24,856 INFO L78 Accepts]: Start accepts. Automaton has 7327 states and 10437 transitions. Word has length 20 [2022-11-02 20:33:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:24,856 INFO L495 AbstractCegarLoop]: Abstraction has 7327 states and 10437 transitions. [2022-11-02 20:33:24,857 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) [2022-11-02 20:33:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 7327 states and 10437 transitions. [2022-11-02 20:33:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 20:33:24,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:24,858 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] [2022-11-02 20:33:24,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:33:24,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:24,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:24,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1780387648, now seen corresponding path program 1 times [2022-11-02 20:33:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:24,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143245420] [2022-11-02 20:33:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:33:25,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:25,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143245420] [2022-11-02 20:33:25,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143245420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:25,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:25,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:33:25,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789226152] [2022-11-02 20:33:25,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:25,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:33:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:25,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:33:25,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:33:25,685 INFO L87 Difference]: Start difference. First operand 7327 states and 10437 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) [2022-11-02 20:33:27,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:29,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:39,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:46,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:48,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:50,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []