./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_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:49:18,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:49:18,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:49:18,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:49:18,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:49:18,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:49:18,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:49:18,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:49:19,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:49:19,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:49:19,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:49:19,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:49:19,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:49:19,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:49:19,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:49:19,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:49:19,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:49:19,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:49:19,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:49:19,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:49:19,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:49:19,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:49:19,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:49:19,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:49:19,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:49:19,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:49:19,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:49:19,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:49:19,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:49:19,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:49:19,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:49:19,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:49:19,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:49:19,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:49:19,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:49:19,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:49:19,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:49:19,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:49:19,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:49:19,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:49:19,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:49:19,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:49:19,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:49:19,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:49:19,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:49:19,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:49:19,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:49:19,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:49:19,058 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:49:19,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:49:19,059 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:49:19,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:49:19,059 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:49:19,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:49:19,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:49:19,060 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:49:19,060 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:49:19,060 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:49:19,061 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:49:19,061 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:49:19,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:49:19,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:49:19,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:49:19,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:49:19,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:49:19,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:49:19,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:49:19,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:49:19,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:49:19,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:49:19,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:49:19,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:19,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:49:19,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:49:19,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:49:19,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:49:19,065 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:49:19,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:49:19,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:49:19,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:49:19,066 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_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-03 03:49:19,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:49:19,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:49:19,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:49:19,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:49:19,324 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:49:19,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-03 03:49:19,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/data/8cfdb6549/1d754b10694f4f09bbd8ca8659147227/FLAGd57e43fb0 [2022-11-03 03:49:20,703 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:49:20,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-03 03:49:20,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/data/8cfdb6549/1d754b10694f4f09bbd8ca8659147227/FLAGd57e43fb0 [2022-11-03 03:49:20,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/data/8cfdb6549/1d754b10694f4f09bbd8ca8659147227 [2022-11-03 03:49:20,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:49:20,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:49:20,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:20,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:49:20,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:49:20,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:20" (1/1) ... [2022-11-03 03:49:20,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199eda3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:20, skipping insertion in model container [2022-11-03 03:49:20,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:20" (1/1) ... [2022-11-03 03:49:20,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:49:21,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:49:29,967 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_c07b9c7e-5330-4eea-8903-9be0f0114967/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-03 03:49:30,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:30,506 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:49:31,534 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_c07b9c7e-5330-4eea-8903-9be0f0114967/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-03 03:49:31,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:32,054 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:49:32,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32 WrapperNode [2022-11-03 03:49:32,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:32,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:32,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:49:32,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:49:32,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:32,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:32,745 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9221 [2022-11-03 03:49:32,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:32,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:49:32,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:49:32,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:49:32,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:32,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:32,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:32,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:33,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:33,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:33,354 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:33,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:33,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:49:33,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:49:33,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:49:33,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:49:33,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (1/1) ... [2022-11-03 03:49:33,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:49:33,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:49:33,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07b9c7e-5330-4eea-8903-9be0f0114967/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:49:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-03 03:49:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-03 03:49:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-03 03:49:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-03 03:49:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-03 03:49:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-03 03:49:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-03 03:49:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-03 03:49:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-03 03:49:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-03 03:49:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-03 03:49:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-03 03:49:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-03 03:49:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-03 03:49:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-03 03:49:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-03 03:49:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 03:49:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 03:49:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-03 03:49:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-03 03:49:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-03 03:49:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-03 03:49:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-03 03:49:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-03 03:49:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-03 03:49:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-03 03:49:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-03 03:49:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-03 03:49:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-03 03:49:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-03 03:49:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-03 03:49:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-03 03:49:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-03 03:49:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-03 03:49:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-03 03:49:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-03 03:49:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:49:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:49:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 03:49:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:49:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:49:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:49:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:49:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-03 03:49:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-03 03:49:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:49:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:49:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-03 03:49:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-03 03:49:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:49:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:49:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-03 03:49:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-03 03:49:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-03 03:49:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-03 03:49:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-03 03:49:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-03 03:49:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 03:49:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 03:49:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:49:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-03 03:49:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-03 03:49:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-03 03:49:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-03 03:49:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-03 03:49:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-03 03:49:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-03 03:49:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-03 03:49:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-03 03:49:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-03 03:49:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-03 03:49:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-03 03:49:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-03 03:49:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-03 03:49:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-03 03:49:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-03 03:49:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-03 03:49:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-03 03:49:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-03 03:49:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-03 03:49:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:49:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-03 03:49:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-03 03:49:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-03 03:49:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-03 03:49:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-03 03:49:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-03 03:49:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-03 03:49:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-03 03:49:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 03:49:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 03:49:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-03 03:49:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-03 03:49:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-03 03:49:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-03 03:49:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:49:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-03 03:49:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-03 03:49:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-03 03:49:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-03 03:49:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:49:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:49:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-03 03:49:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-03 03:49:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-03 03:49:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-03 03:49:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-03 03:49:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-03 03:49:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 03:49:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 03:49:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-03 03:49:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-03 03:49:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-03 03:49:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-03 03:49:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 03:49:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 03:49:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-03 03:49:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-03 03:49:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:49:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:49:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-03 03:49:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-03 03:49:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-03 03:49:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-03 03:49:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-03 03:49:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-03 03:49:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-03 03:49:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-03 03:49:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 03:49:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 03:49:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:49:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:49:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-03 03:49:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-03 03:49:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-03 03:49:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-03 03:49:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-03 03:49:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-03 03:49:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-03 03:49:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-03 03:49:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-03 03:49:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 03:49:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 03:49:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-03 03:49:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-03 03:49:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-03 03:49:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-03 03:49:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-03 03:49:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-03 03:49:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:49:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:49:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-03 03:49:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-03 03:49:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:49:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:49:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:49:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:49:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-03 03:49:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-03 03:49:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-03 03:49:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-03 03:49:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-03 03:49:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-03 03:49:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-03 03:49:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-03 03:49:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 03:49:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-03 03:49:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:49:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 03:49:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 03:49:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-03 03:49:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-03 03:49:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-03 03:49:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-03 03:49:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 03:49:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 03:49:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:49:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:49:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 03:49:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 03:49:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-03 03:49:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-03 03:49:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-03 03:49:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-03 03:49:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-03 03:49:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-03 03:49:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-03 03:49:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-03 03:49:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-03 03:49:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-03 03:49:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-03 03:49:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-03 03:49:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:49:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-03 03:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-03 03:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-03 03:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-03 03:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-03 03:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-03 03:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-03 03:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-03 03:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-03 03:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-03 03:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-03 03:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-03 03:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-03 03:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-03 03:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 03:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 03:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-03 03:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-03 03:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-03 03:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-03 03:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-03 03:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-03 03:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-03 03:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-03 03:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-03 03:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-03 03:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-03 03:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-03 03:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-03 03:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-03 03:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 03:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 03:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-03 03:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-03 03:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-03 03:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-03 03:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-03 03:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-03 03:49:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-03 03:49:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-03 03:49:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 03:49:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 03:49:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-03 03:49:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-03 03:49:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-03 03:49:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-03 03:49:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-03 03:49:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-03 03:49:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-03 03:49:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-03 03:49:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-03 03:49:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-03 03:49:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:49:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:49:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-03 03:49:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-03 03:49:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-03 03:49:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-03 03:49:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-03 03:49:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-03 03:49:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 03:49:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 03:49:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-03 03:49:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-03 03:49:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-03 03:49:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-03 03:49:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-03 03:49:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-03 03:49:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-03 03:49:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-03 03:49:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-03 03:49:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-03 03:49:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:49:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-03 03:49:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-03 03:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-03 03:49:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-03 03:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-03 03:49:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-03 03:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-03 03:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-03 03:49:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-03 03:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-03 03:49:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:49:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-03 03:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-03 03:49:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-03 03:49:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-03 03:49:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-03 03:49:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-03 03:49:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-03 03:49:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-03 03:49:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 03:49:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 03:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-03 03:49:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-03 03:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-03 03:49:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-03 03:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:49:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-03 03:49:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-03 03:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-03 03:49:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-03 03:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-03 03:49:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-03 03:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-03 03:49:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-03 03:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:49:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-03 03:49:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-03 03:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-03 03:49:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-03 03:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-03 03:49:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-03 03:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-03 03:49:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-03 03:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-03 03:49:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-03 03:49:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:49:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:49:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-03 03:49:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-03 03:49:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-03 03:49:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-03 03:49:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-03 03:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-03 03:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-03 03:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-03 03:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 03:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 03:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-03 03:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-03 03:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-03 03:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-03 03:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-03 03:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-03 03:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-03 03:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-03 03:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-03 03:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-03 03:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-03 03:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-03 03:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:49:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:49:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:49:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:49:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-03 03:49:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-03 03:49:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-03 03:49:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-03 03:49:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-03 03:49:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-03 03:49:33,715 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-03 03:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-03 03:49:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-03 03:49:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-03 03:49:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-03 03:49:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-03 03:49:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-03 03:49:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-03 03:49:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-03 03:49:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-03 03:49:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-03 03:49:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 03:49:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 03:49:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-03 03:49:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-03 03:49:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 03:49:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 03:49:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 03:49:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 03:49:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-03 03:49:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-03 03:49:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-03 03:49:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-03 03:49:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-03 03:49:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-03 03:49:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-03 03:49:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-03 03:49:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:49:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-03 03:49:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-03 03:49:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-03 03:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-03 03:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-03 03:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-03 03:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-03 03:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-03 03:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-03 03:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-03 03:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-03 03:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-03 03:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-03 03:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-03 03:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-03 03:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-03 03:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-03 03:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-03 03:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-03 03:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-03 03:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-03 03:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-03 03:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-03 03:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-03 03:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-03 03:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-03 03:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-03 03:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-03 03:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 03:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 03:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-03 03:49:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-03 03:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-03 03:49:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-03 03:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-03 03:49:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-03 03:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-03 03:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-03 03:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-03 03:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-03 03:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-03 03:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-03 03:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-03 03:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-03 03:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-03 03:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 03:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 03:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-03 03:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-03 03:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-03 03:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-03 03:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-03 03:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-03 03:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-03 03:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-03 03:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-03 03:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-03 03:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-03 03:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-03 03:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-03 03:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-03 03:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-03 03:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-03 03:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-03 03:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-03 03:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-03 03:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-03 03:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-03 03:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-03 03:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-03 03:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-03 03:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-03 03:49:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-03 03:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-03 03:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-03 03:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-03 03:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-03 03:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-03 03:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-03 03:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-03 03:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-03 03:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-03 03:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-03 03:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-03 03:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-03 03:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-03 03:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-03 03:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-03 03:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-03 03:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-03 03:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-03 03:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-03 03:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-03 03:49:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-03 03:49:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-03 03:49:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-03 03:49:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-03 03:49:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-03 03:49:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-03 03:49:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-03 03:49:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-03 03:49:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-03 03:49:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-03 03:49:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-03 03:49:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-03 03:49:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-03 03:49:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-03 03:49:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-03 03:49:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-03 03:49:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:49:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:49:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-03 03:49:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-03 03:49:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-03 03:49:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-03 03:49:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:49:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:49:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:49:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-03 03:49:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-03 03:49:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-03 03:49:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-03 03:49:35,324 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:49:35,329 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:50:35,027 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:50:37,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:50:37,867 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:50:37,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:37 BoogieIcfgContainer [2022-11-03 03:50:37,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:50:37,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:50:37,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:50:37,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:50:37,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:49:20" (1/3) ... [2022-11-03 03:50:37,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10422db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:37, skipping insertion in model container [2022-11-03 03:50:37,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:32" (2/3) ... [2022-11-03 03:50:37,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10422db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:37, skipping insertion in model container [2022-11-03 03:50:37,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:37" (3/3) ... [2022-11-03 03:50:37,890 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-03 03:50:37,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:50:37,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:50:38,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:50:38,045 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77bb5509, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:50:38,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:50:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 3452 states, 1941 states have (on average 1.263266357547656) internal successors, (2452), 2074 states have internal predecessors, (2452), 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) [2022-11-03 03:50:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 03:50:38,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:50:38,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:50:38,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:50:38,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:50:38,077 INFO L85 PathProgramCache]: Analyzing trace with hash 577254717, now seen corresponding path program 1 times [2022-11-03 03:50:38,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:50:38,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320224353] [2022-11-03 03:50:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:50:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:50:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:50:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:50:39,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:50:39,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320224353] [2022-11-03 03:50:39,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320224353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:50:39,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:50:39,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:50:39,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54663206] [2022-11-03 03:50:39,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:50:39,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:50:39,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:50:39,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:50:39,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:50:39,432 INFO L87 Difference]: Start difference. First operand has 3452 states, 1941 states have (on average 1.263266357547656) internal successors, (2452), 2074 states have internal predecessors, (2452), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:50:41,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:45,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:49,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:53,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:50:54,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:50:54,205 INFO L93 Difference]: Finished difference Result 10139 states and 15301 transitions. [2022-11-03 03:50:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:50:54,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2022-11-03 03:50:54,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:50:54,299 INFO L225 Difference]: With dead ends: 10139 [2022-11-03 03:50:54,299 INFO L226 Difference]: Without dead ends: 6633 [2022-11-03 03:50:54,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:50:54,346 INFO L413 NwaCegarLoop]: 6151 mSDtfsCounter, 4873 mSDsluCounter, 4919 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 10745 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:50:54,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4875 Valid, 10745 Invalid, 698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 690 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2022-11-03 03:50:54,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6633 states. [2022-11-03 03:50:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6633 to 6614. [2022-11-03 03:50:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6614 states, 3707 states have (on average 1.2484488804963583) internal successors, (4628), 3935 states have internal predecessors, (4628), 2406 states have call successors, (2406), 504 states have call predecessors, (2406), 500 states have return successors, (2642), 2320 states have call predecessors, (2642), 2376 states have call successors, (2642) [2022-11-03 03:50:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6614 states to 6614 states and 9676 transitions. [2022-11-03 03:50:54,971 INFO L78 Accepts]: Start accepts. Automaton has 6614 states and 9676 transitions. Word has length 13 [2022-11-03 03:50:54,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:50:54,972 INFO L495 AbstractCegarLoop]: Abstraction has 6614 states and 9676 transitions. [2022-11-03 03:50:54,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:50:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 6614 states and 9676 transitions. [2022-11-03 03:50:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 03:50:54,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:50:54,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:50:54,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:50:54,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:50:54,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:50:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash 711819081, now seen corresponding path program 1 times [2022-11-03 03:50:54,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:50:54,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457197984] [2022-11-03 03:50:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:50:54,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:50:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:50:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:50:55,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:50:55,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457197984] [2022-11-03 03:50:55,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457197984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:50:55,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:50:55,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:50:55,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659607048] [2022-11-03 03:50:55,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:50:55,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:50:55,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:50:55,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:50:55,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:50:55,781 INFO L87 Difference]: Start difference. First operand 6614 states and 9676 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:50:57,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:50:59,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:03,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:05,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:51:06,511 INFO L93 Difference]: Finished difference Result 6731 states and 9818 transitions. [2022-11-03 03:51:06,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:51:06,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-03 03:51:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:51:06,690 INFO L225 Difference]: With dead ends: 6731 [2022-11-03 03:51:06,690 INFO L226 Difference]: Without dead ends: 6728 [2022-11-03 03:51:06,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:06,695 INFO L413 NwaCegarLoop]: 4561 mSDtfsCounter, 4850 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4853 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:51:06,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4853 Valid, 4680 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 358 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-11-03 03:51:06,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6728 states. [2022-11-03 03:51:07,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6728 to 6721. [2022-11-03 03:51:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6721 states, 3768 states have (on average 1.247611464968153) internal successors, (4701), 4000 states have internal predecessors, (4701), 2434 states have call successors, (2434), 521 states have call predecessors, (2434), 518 states have return successors, (2673), 2349 states have call predecessors, (2673), 2405 states have call successors, (2673) [2022-11-03 03:51:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 9808 transitions. [2022-11-03 03:51:07,189 INFO L78 Accepts]: Start accepts. Automaton has 6721 states and 9808 transitions. Word has length 14 [2022-11-03 03:51:07,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:51:07,190 INFO L495 AbstractCegarLoop]: Abstraction has 6721 states and 9808 transitions. [2022-11-03 03:51:07,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:51:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 6721 states and 9808 transitions. [2022-11-03 03:51:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 03:51:07,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:07,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:07,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:51:07,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:51:07,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 588351936, now seen corresponding path program 1 times [2022-11-03 03:51:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:07,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655217333] [2022-11-03 03:51:07,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:07,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:51:07,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:07,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655217333] [2022-11-03 03:51:07,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655217333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:07,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:07,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:07,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884125260] [2022-11-03 03:51:07,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:07,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:07,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:07,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:07,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:07,873 INFO L87 Difference]: Start difference. First operand 6721 states and 9808 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:51:10,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:13,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:16,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:20,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:51:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:51:21,216 INFO L93 Difference]: Finished difference Result 13214 states and 20375 transitions. [2022-11-03 03:51:21,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:51:21,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2022-11-03 03:51:21,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:51:21,323 INFO L225 Difference]: With dead ends: 13214 [2022-11-03 03:51:21,324 INFO L226 Difference]: Without dead ends: 13210 [2022-11-03 03:51:21,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:21,335 INFO L413 NwaCegarLoop]: 6017 mSDtfsCounter, 4883 mSDsluCounter, 4961 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4885 SdHoareTripleChecker+Valid, 10652 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:51:21,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4885 Valid, 10652 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 672 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2022-11-03 03:51:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13210 states. [2022-11-03 03:51:22,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13210 to 13185. [2022-11-03 03:51:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13185 states, 7401 states have (on average 1.2471287663829211) internal successors, (9230), 7833 states have internal predecessors, (9230), 4770 states have call successors, (4770), 1020 states have call predecessors, (4770), 1013 states have return successors, (6345), 4623 states have call predecessors, (6345), 4739 states have call successors, (6345) [2022-11-03 03:51:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 20345 transitions. [2022-11-03 03:51:22,348 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 20345 transitions. Word has length 15 [2022-11-03 03:51:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:51:22,349 INFO L495 AbstractCegarLoop]: Abstraction has 13185 states and 20345 transitions. [2022-11-03 03:51:22,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:51:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 20345 transitions. [2022-11-03 03:51:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:51:22,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:22,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:22,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:51:22,351 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:51:22,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:22,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1055842604, now seen corresponding path program 1 times [2022-11-03 03:51:22,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:22,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552209850] [2022-11-03 03:51:22,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:51:23,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:23,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552209850] [2022-11-03 03:51:23,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552209850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:23,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:23,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:23,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518421894] [2022-11-03 03:51:23,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:23,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:23,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:23,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:23,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:23,122 INFO L87 Difference]: Start difference. First operand 13185 states and 20345 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:51:25,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:29,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:33,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:37,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:51:37,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:51:37,936 INFO L93 Difference]: Finished difference Result 38539 states and 68149 transitions. [2022-11-03 03:51:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:51:37,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-03 03:51:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:51:38,124 INFO L225 Difference]: With dead ends: 38539 [2022-11-03 03:51:38,124 INFO L226 Difference]: Without dead ends: 25361 [2022-11-03 03:51:38,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:38,256 INFO L413 NwaCegarLoop]: 5916 mSDtfsCounter, 4643 mSDsluCounter, 4929 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4643 SdHoareTripleChecker+Valid, 10520 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:51:38,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4643 Valid, 10520 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 671 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2022-11-03 03:51:38,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25361 states. [2022-11-03 03:51:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25361 to 25322. [2022-11-03 03:51:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25322 states, 14204 states have (on average 1.2457054350887073) internal successors, (17694), 15041 states have internal predecessors, (17694), 9125 states have call successors, (9125), 2010 states have call predecessors, (9125), 1992 states have return successors, (16615), 8826 states have call predecessors, (16615), 9053 states have call successors, (16615) [2022-11-03 03:51:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25322 states to 25322 states and 43434 transitions. [2022-11-03 03:51:41,028 INFO L78 Accepts]: Start accepts. Automaton has 25322 states and 43434 transitions. Word has length 16 [2022-11-03 03:51:41,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:51:41,029 INFO L495 AbstractCegarLoop]: Abstraction has 25322 states and 43434 transitions. [2022-11-03 03:51:41,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:51:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 25322 states and 43434 transitions. [2022-11-03 03:51:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 03:51:41,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:41,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:41,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:51:41,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:51:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:41,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1631811005, now seen corresponding path program 1 times [2022-11-03 03:51:41,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:41,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766026120] [2022-11-03 03:51:41,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:41,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:51:41,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:41,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766026120] [2022-11-03 03:51:41,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766026120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:41,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:41,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:41,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507784907] [2022-11-03 03:51:41,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:41,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:41,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:41,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:41,648 INFO L87 Difference]: Start difference. First operand 25322 states and 43434 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:51:43,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:45,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:49,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:54,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:59,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:52:00,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:52:00,204 INFO L93 Difference]: Finished difference Result 50154 states and 103046 transitions. [2022-11-03 03:52:00,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:52:00,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-11-03 03:52:00,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:52:00,954 INFO L225 Difference]: With dead ends: 50154 [2022-11-03 03:52:00,954 INFO L226 Difference]: Without dead ends: 50150 [2022-11-03 03:52:01,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:01,118 INFO L413 NwaCegarLoop]: 5886 mSDtfsCounter, 4850 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4852 SdHoareTripleChecker+Valid, 10527 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:52:01,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4852 Valid, 10527 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 668 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2022-11-03 03:52:01,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50150 states. [2022-11-03 03:52:05,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50150 to 50119. [2022-11-03 03:52:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50119 states, 28133 states have (on average 1.245583478477233) internal successors, (35042), 29762 states have internal predecessors, (35042), 18045 states have call successors, (18045), 3990 states have call predecessors, (18045), 3940 states have return successors, (49917), 17462 states have call predecessors, (49917), 17929 states have call successors, (49917) [2022-11-03 03:52:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50119 states to 50119 states and 103004 transitions. [2022-11-03 03:52:06,510 INFO L78 Accepts]: Start accepts. Automaton has 50119 states and 103004 transitions. Word has length 17 [2022-11-03 03:52:06,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:52:06,511 INFO L495 AbstractCegarLoop]: Abstraction has 50119 states and 103004 transitions. [2022-11-03 03:52:06,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:52:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 50119 states and 103004 transitions. [2022-11-03 03:52:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 03:52:06,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:52:06,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:52:06,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:52:06,513 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:52:06,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:52:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash 950277903, now seen corresponding path program 1 times [2022-11-03 03:52:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:52:06,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153002892] [2022-11-03 03:52:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:52:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:52:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:52:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:52:07,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:52:07,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153002892] [2022-11-03 03:52:07,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153002892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:52:07,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:52:07,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:52:07,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426374000] [2022-11-03 03:52:07,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:52:07,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:52:07,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:52:07,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:52:07,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:07,562 INFO L87 Difference]: Start difference. First operand 50119 states and 103004 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:52:09,734 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 [] [2022-11-03 03:52:13,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:17,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:24,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:52:25,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:52:25,398 INFO L93 Difference]: Finished difference Result 92690 states and 255259 transitions. [2022-11-03 03:52:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:52:25,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-03 03:52:25,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:52:26,898 INFO L225 Difference]: With dead ends: 92690 [2022-11-03 03:52:26,898 INFO L226 Difference]: Without dead ends: 92686 [2022-11-03 03:52:26,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:26,967 INFO L413 NwaCegarLoop]: 5690 mSDtfsCounter, 4703 mSDsluCounter, 4477 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4703 SdHoareTripleChecker+Valid, 9873 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:52:26,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4703 Valid, 9873 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 634 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2022-11-03 03:52:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92686 states.