./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:56:53,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:56:53,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:56:53,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:56:53,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:56:53,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:56:53,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:56:53,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:56:53,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:56:53,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:56:53,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:56:53,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:56:53,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:56:53,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:56:53,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:56:53,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:56:53,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:56:53,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:56:53,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:56:54,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:56:54,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:56:54,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:56:54,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:56:54,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:56:54,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:56:54,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:56:54,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:56:54,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:56:54,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:56:54,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:56:54,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:56:54,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:56:54,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:56:54,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:56:54,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:56:54,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:56:54,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:56:54,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:56:54,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:56:54,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:56:54,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:56:54,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:56:54,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:56:54,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:56:54,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:56:54,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:56:54,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:56:54,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:56:54,090 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:56:54,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:56:54,090 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:56:54,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:56:54,091 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:56:54,091 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:56:54,091 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:56:54,091 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:56:54,092 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:56:54,092 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:56:54,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:56:54,092 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:56:54,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:56:54,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:56:54,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:56:54,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:56:54,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:56:54,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:56:54,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:56:54,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:56:54,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:56:54,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:56:54,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:56:54,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:56:54,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:56:54,096 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:56:54,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:56:54,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:56:54,096 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:56:54,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:56:54,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:56:54,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:56:54,097 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_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2022-11-20 20:56:54,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:56:54,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:56:54,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:56:54,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:56:54,484 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:56:54,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-11-20 20:56:57,429 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:56:57,902 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:56:57,903 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-11-20 20:56:57,936 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/data/e84ef019b/0a57e88570f34e54adf2abd732c202c8/FLAGcec5bc1e4 [2022-11-20 20:56:57,959 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/data/e84ef019b/0a57e88570f34e54adf2abd732c202c8 [2022-11-20 20:56:57,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:56:57,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:56:57,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:56:57,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:56:57,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:56:57,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:57" (1/1) ... [2022-11-20 20:56:57,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a1a776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:57, skipping insertion in model container [2022-11-20 20:56:57,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:57" (1/1) ... [2022-11-20 20:56:57,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:56:58,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:56:58,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-11-20 20:56:59,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:56:59,059 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:56:59,341 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-11-20 20:56:59,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:56:59,391 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:56:59,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59 WrapperNode [2022-11-20 20:56:59,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:56:59,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:56:59,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:56:59,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:56:59,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,533 INFO L138 Inliner]: procedures = 131, calls = 524, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1126 [2022-11-20 20:56:59,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:56:59,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:56:59,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:56:59,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:56:59,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:56:59,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:56:59,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:56:59,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:56:59,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (1/1) ... [2022-11-20 20:56:59,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:56:59,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:56:59,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:56:59,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:56:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-11-20 20:56:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-11-20 20:56:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-20 20:56:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-20 20:56:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-11-20 20:56:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-11-20 20:56:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-11-20 20:56:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-11-20 20:56:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:56:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-20 20:56:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-20 20:56:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 20:56:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 20:56:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2022-11-20 20:56:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2022-11-20 20:56:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2022-11-20 20:56:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2022-11-20 20:56:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:56:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 20:56:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 20:56:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 20:56:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 20:56:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2022-11-20 20:56:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2022-11-20 20:56:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 20:56:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 20:56:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 20:56:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 20:56:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 20:56:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 20:56:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:56:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 20:56:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 20:56:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 20:56:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 20:56:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:56:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2022-11-20 20:56:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2022-11-20 20:56:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:56:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:56:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-11-20 20:56:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-11-20 20:56:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2022-11-20 20:56:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2022-11-20 20:56:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 20:56:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:56:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2022-11-20 20:56:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2022-11-20 20:56:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2022-11-20 20:56:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2022-11-20 20:56:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-11-20 20:56:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-11-20 20:56:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:56:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:56:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-11-20 20:56:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-11-20 20:56:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-11-20 20:56:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-11-20 20:56:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 20:56:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 20:56:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2022-11-20 20:56:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2022-11-20 20:56:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-11-20 20:56:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-11-20 20:56:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2022-11-20 20:56:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2022-11-20 20:56:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:56:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 20:56:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 20:56:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:56:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:56:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-11-20 20:56:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-11-20 20:57:00,245 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:57:00,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:57:02,112 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:57:02,507 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:57:02,507 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 20:57:02,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:02 BoogieIcfgContainer [2022-11-20 20:57:02,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:57:02,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:57:02,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:57:02,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:57:02,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:56:57" (1/3) ... [2022-11-20 20:57:02,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42315d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:02, skipping insertion in model container [2022-11-20 20:57:02,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:59" (2/3) ... [2022-11-20 20:57:02,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42315d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:02, skipping insertion in model container [2022-11-20 20:57:02,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:02" (3/3) ... [2022-11-20 20:57:02,526 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-11-20 20:57:02,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:57:02,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:57:02,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:57:02,632 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;@2484ed24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:57:02,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:57:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 220 states have (on average 1.4181818181818182) internal successors, (312), 230 states have internal predecessors, (312), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-11-20 20:57:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 20:57:02,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:02,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:02,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:02,656 INFO L85 PathProgramCache]: Analyzing trace with hash -687810764, now seen corresponding path program 1 times [2022-11-20 20:57:02,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:02,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592451231] [2022-11-20 20:57:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:02,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:03,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:03,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592451231] [2022-11-20 20:57:03,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592451231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:03,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:03,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:57:03,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580175182] [2022-11-20 20:57:03,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:03,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:03,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:03,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:03,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:03,170 INFO L87 Difference]: Start difference. First operand has 338 states, 220 states have (on average 1.4181818181818182) internal successors, (312), 230 states have internal predecessors, (312), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:03,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:03,730 INFO L93 Difference]: Finished difference Result 879 states and 1255 transitions. [2022-11-20 20:57:03,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:03,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-20 20:57:03,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:03,758 INFO L225 Difference]: With dead ends: 879 [2022-11-20 20:57:03,758 INFO L226 Difference]: Without dead ends: 538 [2022-11-20 20:57:03,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:03,772 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 289 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:03,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 887 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:57:03,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-20 20:57:03,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 524. [2022-11-20 20:57:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 339 states have (on average 1.3893805309734513) internal successors, (471), 349 states have internal predecessors, (471), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-11-20 20:57:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 737 transitions. [2022-11-20 20:57:03,919 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 737 transitions. Word has length 13 [2022-11-20 20:57:03,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:03,919 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 737 transitions. [2022-11-20 20:57:03,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 737 transitions. [2022-11-20 20:57:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:57:03,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:03,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:03,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:57:03,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:03,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1639884686, now seen corresponding path program 1 times [2022-11-20 20:57:03,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:03,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342955360] [2022-11-20 20:57:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:04,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:04,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342955360] [2022-11-20 20:57:04,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342955360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:04,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:04,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:57:04,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945516962] [2022-11-20 20:57:04,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:04,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:04,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:04,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:04,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:04,080 INFO L87 Difference]: Start difference. First operand 524 states and 737 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:04,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:04,337 INFO L93 Difference]: Finished difference Result 1047 states and 1473 transitions. [2022-11-20 20:57:04,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:04,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-20 20:57:04,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:04,343 INFO L225 Difference]: With dead ends: 1047 [2022-11-20 20:57:04,343 INFO L226 Difference]: Without dead ends: 524 [2022-11-20 20:57:04,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:04,346 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 466 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:04,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 400 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:04,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-11-20 20:57:04,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2022-11-20 20:57:04,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 339 states have (on average 1.3834808259587021) internal successors, (469), 349 states have internal predecessors, (469), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-11-20 20:57:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 735 transitions. [2022-11-20 20:57:04,419 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 735 transitions. Word has length 15 [2022-11-20 20:57:04,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:04,420 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 735 transitions. [2022-11-20 20:57:04,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 735 transitions. [2022-11-20 20:57:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:57:04,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:04,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:04,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:57:04,421 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:04,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:04,422 INFO L85 PathProgramCache]: Analyzing trace with hash 304311992, now seen corresponding path program 1 times [2022-11-20 20:57:04,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:04,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512577735] [2022-11-20 20:57:04,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:04,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:04,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:04,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512577735] [2022-11-20 20:57:04,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512577735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:04,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:04,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:57:04,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357854684] [2022-11-20 20:57:04,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:04,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:04,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:04,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:04,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:04,581 INFO L87 Difference]: Start difference. First operand 524 states and 735 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:05,039 INFO L93 Difference]: Finished difference Result 1194 states and 1661 transitions. [2022-11-20 20:57:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:05,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-20 20:57:05,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:05,045 INFO L225 Difference]: With dead ends: 1194 [2022-11-20 20:57:05,045 INFO L226 Difference]: Without dead ends: 671 [2022-11-20 20:57:05,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:05,050 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 275 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:05,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 806 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:57:05,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-11-20 20:57:05,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2022-11-20 20:57:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 427 states have (on average 1.3583138173302107) internal successors, (580), 439 states have internal predecessors, (580), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-20 20:57:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 924 transitions. [2022-11-20 20:57:05,114 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 924 transitions. Word has length 17 [2022-11-20 20:57:05,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:05,114 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 924 transitions. [2022-11-20 20:57:05,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 924 transitions. [2022-11-20 20:57:05,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 20:57:05,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:05,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:05,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:57:05,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:05,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:05,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1960464104, now seen corresponding path program 1 times [2022-11-20 20:57:05,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:05,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558347545] [2022-11-20 20:57:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:05,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:05,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558347545] [2022-11-20 20:57:05,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558347545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:05,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:05,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:57:05,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344357120] [2022-11-20 20:57:05,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:05,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:05,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:05,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:05,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:05,267 INFO L87 Difference]: Start difference. First operand 671 states and 924 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:05,556 INFO L93 Difference]: Finished difference Result 1340 states and 1848 transitions. [2022-11-20 20:57:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:05,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 20:57:05,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:05,560 INFO L225 Difference]: With dead ends: 1340 [2022-11-20 20:57:05,561 INFO L226 Difference]: Without dead ends: 679 [2022-11-20 20:57:05,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:05,563 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 3 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:05,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 802 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-11-20 20:57:05,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 673. [2022-11-20 20:57:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 429 states have (on average 1.3566433566433567) internal successors, (582), 441 states have internal predecessors, (582), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-20 20:57:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 926 transitions. [2022-11-20 20:57:05,604 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 926 transitions. Word has length 19 [2022-11-20 20:57:05,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:05,604 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 926 transitions. [2022-11-20 20:57:05,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 926 transitions. [2022-11-20 20:57:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 20:57:05,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:05,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:05,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:57:05,606 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:05,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:05,607 INFO L85 PathProgramCache]: Analyzing trace with hash 75950750, now seen corresponding path program 1 times [2022-11-20 20:57:05,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:05,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470607105] [2022-11-20 20:57:05,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:05,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:05,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:05,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470607105] [2022-11-20 20:57:05,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470607105] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:05,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185600706] [2022-11-20 20:57:05,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:05,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:05,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:05,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:05,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:57:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:06,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:57:06,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:57:06,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:06,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185600706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:06,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:06,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 20:57:06,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344800076] [2022-11-20 20:57:06,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:06,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:06,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:06,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:06,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:06,260 INFO L87 Difference]: Start difference. First operand 673 states and 926 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:06,483 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2022-11-20 20:57:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:06,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-20 20:57:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:06,487 INFO L225 Difference]: With dead ends: 675 [2022-11-20 20:57:06,487 INFO L226 Difference]: Without dead ends: 672 [2022-11-20 20:57:06,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:06,489 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 450 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:06,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 398 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:06,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-11-20 20:57:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2022-11-20 20:57:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 429 states have (on average 1.3543123543123543) internal successors, (581), 440 states have internal predecessors, (581), 174 states have call successors, (174), 69 states have call predecessors, (174), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-20 20:57:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 924 transitions. [2022-11-20 20:57:06,536 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 924 transitions. Word has length 25 [2022-11-20 20:57:06,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:06,536 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 924 transitions. [2022-11-20 20:57:06,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 924 transitions. [2022-11-20 20:57:06,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 20:57:06,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:06,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:06,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:06,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:06,746 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:06,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:06,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1940742853, now seen corresponding path program 1 times [2022-11-20 20:57:06,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:06,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99299178] [2022-11-20 20:57:06,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:06,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:06,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99299178] [2022-11-20 20:57:06,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99299178] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630159193] [2022-11-20 20:57:06,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:06,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:06,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:06,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:06,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:57:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:07,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:57:07,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:57:07,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:07,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630159193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:07,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:07,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 20:57:07,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159190222] [2022-11-20 20:57:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:07,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:07,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:07,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:07,297 INFO L87 Difference]: Start difference. First operand 672 states and 924 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:07,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:07,506 INFO L93 Difference]: Finished difference Result 674 states and 925 transitions. [2022-11-20 20:57:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:07,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-20 20:57:07,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:07,510 INFO L225 Difference]: With dead ends: 674 [2022-11-20 20:57:07,511 INFO L226 Difference]: Without dead ends: 671 [2022-11-20 20:57:07,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:07,512 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 447 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:07,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 396 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:07,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-11-20 20:57:07,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2022-11-20 20:57:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 429 states have (on average 1.351981351981352) internal successors, (580), 439 states have internal predecessors, (580), 173 states have call successors, (173), 69 states have call predecessors, (173), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-20 20:57:07,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 922 transitions. [2022-11-20 20:57:07,561 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 922 transitions. Word has length 26 [2022-11-20 20:57:07,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:07,562 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 922 transitions. [2022-11-20 20:57:07,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 922 transitions. [2022-11-20 20:57:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 20:57:07,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:07,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:07,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:07,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 20:57:07,771 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:07,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:07,771 INFO L85 PathProgramCache]: Analyzing trace with hash -33730239, now seen corresponding path program 1 times [2022-11-20 20:57:07,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:07,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015041293] [2022-11-20 20:57:07,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:07,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:07,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:07,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015041293] [2022-11-20 20:57:07,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015041293] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:07,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268618064] [2022-11-20 20:57:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:07,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:07,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:07,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:07,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:57:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:08,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:57:08,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:57:08,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:08,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268618064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:08,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:08,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 20:57:08,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414200963] [2022-11-20 20:57:08,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:08,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:08,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:08,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:08,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:08,376 INFO L87 Difference]: Start difference. First operand 671 states and 922 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:08,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:08,642 INFO L93 Difference]: Finished difference Result 673 states and 923 transitions. [2022-11-20 20:57:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:08,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-11-20 20:57:08,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:08,647 INFO L225 Difference]: With dead ends: 673 [2022-11-20 20:57:08,647 INFO L226 Difference]: Without dead ends: 670 [2022-11-20 20:57:08,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:08,651 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 444 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:08,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 394 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:08,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-11-20 20:57:08,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2022-11-20 20:57:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 429 states have (on average 1.3496503496503496) internal successors, (579), 438 states have internal predecessors, (579), 172 states have call successors, (172), 69 states have call predecessors, (172), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-20 20:57:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 920 transitions. [2022-11-20 20:57:08,704 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 920 transitions. Word has length 27 [2022-11-20 20:57:08,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:08,704 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 920 transitions. [2022-11-20 20:57:08,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 920 transitions. [2022-11-20 20:57:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 20:57:08,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:08,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:08,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:08,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:08,913 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:08,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1045876482, now seen corresponding path program 1 times [2022-11-20 20:57:08,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:08,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055131140] [2022-11-20 20:57:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:08,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:09,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:09,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055131140] [2022-11-20 20:57:09,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055131140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:09,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323349097] [2022-11-20 20:57:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:09,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:09,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:09,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:09,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:57:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:09,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:57:09,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:57:09,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:09,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323349097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:09,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:09,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 20:57:09,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363227750] [2022-11-20 20:57:09,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:09,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:09,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:09,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:09,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:09,453 INFO L87 Difference]: Start difference. First operand 670 states and 920 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:09,767 INFO L93 Difference]: Finished difference Result 785 states and 1070 transitions. [2022-11-20 20:57:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:09,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-20 20:57:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:09,773 INFO L225 Difference]: With dead ends: 785 [2022-11-20 20:57:09,773 INFO L226 Difference]: Without dead ends: 764 [2022-11-20 20:57:09,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:09,776 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 408 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:09,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 616 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-11-20 20:57:09,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2022-11-20 20:57:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 480 states have (on average 1.3270833333333334) internal successors, (637), 489 states have internal predecessors, (637), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2022-11-20 20:57:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1042 transitions. [2022-11-20 20:57:09,837 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1042 transitions. Word has length 28 [2022-11-20 20:57:09,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:09,838 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 1042 transitions. [2022-11-20 20:57:09,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:57:09,838 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1042 transitions. [2022-11-20 20:57:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 20:57:09,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:09,844 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:09,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:10,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:10,051 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1634296061, now seen corresponding path program 1 times [2022-11-20 20:57:10,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:10,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541945985] [2022-11-20 20:57:10,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:10,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:10,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:10,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541945985] [2022-11-20 20:57:10,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541945985] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:10,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263553371] [2022-11-20 20:57:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:10,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:10,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:10,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:10,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 20:57:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:10,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:57:10,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:57:10,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:10,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263553371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:10,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:10,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 20:57:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585125952] [2022-11-20 20:57:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:10,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:10,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:10,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:10,600 INFO L87 Difference]: Start difference. First operand 764 states and 1042 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:57:10,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:10,924 INFO L93 Difference]: Finished difference Result 1524 states and 2080 transitions. [2022-11-20 20:57:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2022-11-20 20:57:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:10,928 INFO L225 Difference]: With dead ends: 1524 [2022-11-20 20:57:10,928 INFO L226 Difference]: Without dead ends: 770 [2022-11-20 20:57:10,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:10,931 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 4 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:10,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 747 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-11-20 20:57:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 766. [2022-11-20 20:57:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 482 states have (on average 1.3257261410788381) internal successors, (639), 491 states have internal predecessors, (639), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2022-11-20 20:57:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1044 transitions. [2022-11-20 20:57:10,987 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1044 transitions. Word has length 43 [2022-11-20 20:57:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:10,987 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 1044 transitions. [2022-11-20 20:57:10,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:57:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1044 transitions. [2022-11-20 20:57:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 20:57:10,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:10,989 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:11,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:11,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:11,196 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:11,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 543303735, now seen corresponding path program 1 times [2022-11-20 20:57:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:11,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660327487] [2022-11-20 20:57:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:57:11,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:11,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660327487] [2022-11-20 20:57:11,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660327487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:11,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412748075] [2022-11-20 20:57:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:11,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:11,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:11,335 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:11,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 20:57:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:11,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:57:11,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 20:57:11,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:11,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412748075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:11,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:11,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 20:57:11,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868040320] [2022-11-20 20:57:11,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:11,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:11,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:11,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:11,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:11,741 INFO L87 Difference]: Start difference. First operand 766 states and 1044 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:57:12,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:12,040 INFO L93 Difference]: Finished difference Result 766 states and 1044 transitions. [2022-11-20 20:57:12,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:12,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-11-20 20:57:12,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:12,041 INFO L225 Difference]: With dead ends: 766 [2022-11-20 20:57:12,041 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:57:12,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:57:12,044 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 193 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:12,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 848 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:57:12,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:57:12,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:57:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:57:12,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2022-11-20 20:57:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:12,045 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:57:12,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:57:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:57:12,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:57:12,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:57:12,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:12,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 20:57:12,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:57:14,781 INFO L899 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2022-11-20 20:57:14,781 INFO L899 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2022-11-20 20:57:14,781 INFO L902 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2022-11-20 20:57:14,782 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2022-11-20 20:57:14,782 INFO L899 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2022-11-20 20:57:14,782 INFO L899 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2022-11-20 20:57:14,782 INFO L902 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2022-11-20 20:57:14,782 INFO L902 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2022-11-20 20:57:14,782 INFO L902 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 2951 2982) the Hoare annotation is: true [2022-11-20 20:57:14,782 INFO L899 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2022-11-20 20:57:14,782 INFO L902 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2022-11-20 20:57:14,782 INFO L902 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2022-11-20 20:57:14,783 INFO L902 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2022-11-20 20:57:14,783 INFO L899 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2022-11-20 20:57:14,783 INFO L902 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2022-11-20 20:57:14,783 INFO L899 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2022-11-20 20:57:14,783 INFO L899 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2022-11-20 20:57:14,783 INFO L899 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2022-11-20 20:57:14,783 INFO L902 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 4566 4568) the Hoare annotation is: true [2022-11-20 20:57:14,783 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2022-11-20 20:57:14,783 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2022-11-20 20:57:14,783 INFO L902 garLoopResultBuilder]: At program point pi_initENTRY(lines 4556 4558) the Hoare annotation is: true [2022-11-20 20:57:14,784 INFO L902 garLoopResultBuilder]: At program point write_regENTRY(lines 3063 3069) the Hoare annotation is: true [2022-11-20 20:57:14,784 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2022-11-20 20:57:14,784 INFO L899 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2022-11-20 20:57:14,784 INFO L902 garLoopResultBuilder]: At program point pg_sleepENTRY(lines 3076 3082) the Hoare annotation is: true [2022-11-20 20:57:14,784 INFO L902 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 4563 4565) the Hoare annotation is: true [2022-11-20 20:57:14,784 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2022-11-20 20:57:14,784 INFO L902 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2022-11-20 20:57:14,784 INFO L899 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2022-11-20 20:57:14,784 INFO L902 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 4552 4554) the Hoare annotation is: true [2022-11-20 20:57:14,785 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2022-11-20 20:57:14,785 INFO L899 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2022-11-20 20:57:14,785 INFO L899 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2022-11-20 20:57:14,785 INFO L899 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2022-11-20 20:57:14,785 INFO L902 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2022-11-20 20:57:14,785 INFO L899 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2022-11-20 20:57:14,785 INFO L902 garLoopResultBuilder]: At program point L3413-1(lines 3413 3438) the Hoare annotation is: true [2022-11-20 20:57:14,785 INFO L899 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2022-11-20 20:57:14,785 INFO L902 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2022-11-20 20:57:14,790 INFO L902 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2022-11-20 20:57:14,790 INFO L899 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2022-11-20 20:57:14,790 INFO L899 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2022-11-20 20:57:14,790 INFO L902 garLoopResultBuilder]: At program point L3426(lines 3413 3431) the Hoare annotation is: true [2022-11-20 20:57:14,790 INFO L902 garLoopResultBuilder]: At program point L3424(lines 3413 3431) the Hoare annotation is: true [2022-11-20 20:57:14,791 INFO L899 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2022-11-20 20:57:14,791 INFO L899 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2022-11-20 20:57:14,791 INFO L902 garLoopResultBuilder]: At program point pg_probeENTRY(lines 3407 3441) the Hoare annotation is: true [2022-11-20 20:57:14,792 INFO L899 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2022-11-20 20:57:14,792 INFO L902 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2022-11-20 20:57:14,792 INFO L899 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2022-11-20 20:57:14,792 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2022-11-20 20:57:14,792 INFO L902 garLoopResultBuilder]: At program point status_regENTRY(lines 3049 3055) the Hoare annotation is: true [2022-11-20 20:57:14,792 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2022-11-20 20:57:14,793 INFO L899 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2022-11-20 20:57:14,808 INFO L902 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2022-11-20 20:57:14,808 INFO L902 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2022-11-20 20:57:14,808 INFO L899 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2022-11-20 20:57:14,808 INFO L902 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2022-11-20 20:57:14,808 INFO L899 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2022-11-20 20:57:14,809 INFO L902 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2022-11-20 20:57:14,809 INFO L899 garLoopResultBuilder]: For program point L3212(lines 3212 3215) no Hoare annotation was computed. [2022-11-20 20:57:14,809 INFO L902 garLoopResultBuilder]: At program point L3212-2(lines 3201 3242) the Hoare annotation is: true [2022-11-20 20:57:14,809 INFO L899 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2022-11-20 20:57:14,809 INFO L899 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2022-11-20 20:57:14,809 INFO L902 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2022-11-20 20:57:14,810 INFO L902 garLoopResultBuilder]: At program point L3234(lines 3234 3238) the Hoare annotation is: true [2022-11-20 20:57:14,810 INFO L899 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2022-11-20 20:57:14,810 INFO L902 garLoopResultBuilder]: At program point pg_completionENTRY(lines 3191 3243) the Hoare annotation is: true [2022-11-20 20:57:14,810 INFO L902 garLoopResultBuilder]: At program point L3210(line 3210) the Hoare annotation is: true [2022-11-20 20:57:14,810 INFO L899 garLoopResultBuilder]: For program point L3210-1(line 3210) no Hoare annotation was computed. [2022-11-20 20:57:14,810 INFO L899 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2022-11-20 20:57:14,811 INFO L902 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2022-11-20 20:57:14,811 INFO L902 garLoopResultBuilder]: At program point L3235(lines 3201 3242) the Hoare annotation is: true [2022-11-20 20:57:14,811 INFO L902 garLoopResultBuilder]: At program point ldv_unregister_chrdev_11ENTRY(lines 4032 4039) the Hoare annotation is: true [2022-11-20 20:57:14,811 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2022-11-20 20:57:14,811 INFO L899 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2022-11-20 20:57:14,811 INFO L902 garLoopResultBuilder]: At program point DRIVEENTRY(lines 3070 3075) the Hoare annotation is: true [2022-11-20 20:57:14,812 INFO L902 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 4542 4544) the Hoare annotation is: true [2022-11-20 20:57:14,812 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2022-11-20 20:57:14,812 INFO L899 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2022-11-20 20:57:14,812 INFO L902 garLoopResultBuilder]: At program point copy_to_userENTRY(lines 2983 2990) the Hoare annotation is: true [2022-11-20 20:57:14,812 INFO L902 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2022-11-20 20:57:14,813 INFO L902 garLoopResultBuilder]: At program point L2986-1(line 2986) the Hoare annotation is: true [2022-11-20 20:57:14,813 INFO L899 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2022-11-20 20:57:14,813 INFO L902 garLoopResultBuilder]: At program point L3099(lines 3099 3103) the Hoare annotation is: true [2022-11-20 20:57:14,813 INFO L902 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2022-11-20 20:57:14,813 INFO L899 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2022-11-20 20:57:14,813 INFO L902 garLoopResultBuilder]: At program point pg_waitENTRY(lines 3083 3137) the Hoare annotation is: true [2022-11-20 20:57:14,814 INFO L899 garLoopResultBuilder]: For program point L3113(lines 3113 3134) no Hoare annotation was computed. [2022-11-20 20:57:14,814 INFO L899 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2022-11-20 20:57:14,814 INFO L902 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2022-11-20 20:57:14,814 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-11-20 20:57:14,814 INFO L902 garLoopResultBuilder]: At program point L3106(lines 3106 3110) the Hoare annotation is: true [2022-11-20 20:57:14,814 INFO L899 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2022-11-20 20:57:14,815 INFO L902 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2022-11-20 20:57:14,815 INFO L902 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2022-11-20 20:57:14,815 INFO L899 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2022-11-20 20:57:14,815 INFO L902 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2022-11-20 20:57:14,815 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4041 4046) the Hoare annotation is: true [2022-11-20 20:57:14,815 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2022-11-20 20:57:14,816 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2022-11-20 20:57:14,816 INFO L902 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2022-11-20 20:57:14,816 INFO L899 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2022-11-20 20:57:14,816 INFO L899 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2022-11-20 20:57:14,816 INFO L899 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2022-11-20 20:57:14,816 INFO L899 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2022-11-20 20:57:14,817 INFO L899 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2022-11-20 20:57:14,817 INFO L902 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2022-11-20 20:57:14,817 INFO L899 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2022-11-20 20:57:14,817 INFO L899 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2022-11-20 20:57:14,817 INFO L899 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2022-11-20 20:57:14,817 INFO L899 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2022-11-20 20:57:14,818 INFO L899 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2022-11-20 20:57:14,818 INFO L899 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2022-11-20 20:57:14,818 INFO L899 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2022-11-20 20:57:14,818 INFO L902 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2022-11-20 20:57:14,818 INFO L902 garLoopResultBuilder]: At program point pg_writeENTRY(lines 3563 3636) the Hoare annotation is: true [2022-11-20 20:57:14,818 INFO L899 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2022-11-20 20:57:14,818 INFO L899 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2022-11-20 20:57:14,819 INFO L902 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2022-11-20 20:57:14,819 INFO L899 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2022-11-20 20:57:14,819 INFO L899 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2022-11-20 20:57:14,819 INFO L902 garLoopResultBuilder]: At program point pi_connectENTRY(lines 4549 4551) the Hoare annotation is: true [2022-11-20 20:57:14,819 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2022-11-20 20:57:14,819 INFO L899 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2022-11-20 20:57:14,820 INFO L902 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2022-11-20 20:57:14,820 INFO L899 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2022-11-20 20:57:14,820 INFO L899 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2022-11-20 20:57:14,820 INFO L902 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2022-11-20 20:57:14,820 INFO L902 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2022-11-20 20:57:14,820 INFO L899 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2022-11-20 20:57:14,821 INFO L899 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2022-11-20 20:57:14,821 INFO L902 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2022-11-20 20:57:14,821 INFO L899 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2022-11-20 20:57:14,821 INFO L902 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2022-11-20 20:57:14,821 INFO L899 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2022-11-20 20:57:14,821 INFO L902 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2022-11-20 20:57:14,821 INFO L902 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2022-11-20 20:57:14,822 INFO L899 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2022-11-20 20:57:14,822 INFO L902 garLoopResultBuilder]: At program point L3175(lines 3168 3183) the Hoare annotation is: true [2022-11-20 20:57:14,822 INFO L899 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2022-11-20 20:57:14,822 INFO L902 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2022-11-20 20:57:14,822 INFO L902 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2022-11-20 20:57:14,822 INFO L902 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2022-11-20 20:57:14,823 INFO L902 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2022-11-20 20:57:14,823 INFO L899 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2022-11-20 20:57:14,823 INFO L899 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2022-11-20 20:57:14,823 INFO L902 garLoopResultBuilder]: At program point L3164(lines 3144 3189) the Hoare annotation is: true [2022-11-20 20:57:14,823 INFO L899 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2022-11-20 20:57:14,823 INFO L899 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2022-11-20 20:57:14,824 INFO L899 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2022-11-20 20:57:14,824 INFO L902 garLoopResultBuilder]: At program point pg_commandENTRY(lines 3138 3190) the Hoare annotation is: true [2022-11-20 20:57:14,824 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4048 4053) the Hoare annotation is: true [2022-11-20 20:57:14,824 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2022-11-20 20:57:14,824 INFO L902 garLoopResultBuilder]: At program point clear_bitENTRY(lines 2805 2811) the Hoare annotation is: true [2022-11-20 20:57:14,824 INFO L899 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2022-11-20 20:57:14,825 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2022-11-20 20:57:14,825 INFO L902 garLoopResultBuilder]: At program point read_regENTRY(lines 3056 3062) the Hoare annotation is: true [2022-11-20 20:57:14,825 INFO L899 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2022-11-20 20:57:14,825 INFO L902 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2022-11-20 20:57:14,825 INFO L899 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2022-11-20 20:57:14,825 INFO L902 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2022-11-20 20:57:14,825 INFO L902 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2022-11-20 20:57:14,826 INFO L899 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2022-11-20 20:57:14,826 INFO L899 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2022-11-20 20:57:14,826 INFO L899 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2022-11-20 20:57:14,826 INFO L902 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2022-11-20 20:57:14,826 INFO L899 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2022-11-20 20:57:14,826 INFO L902 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2022-11-20 20:57:14,827 INFO L902 garLoopResultBuilder]: At program point L3290(lines 3254 3324) the Hoare annotation is: true [2022-11-20 20:57:14,827 INFO L899 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2022-11-20 20:57:14,827 INFO L899 garLoopResultBuilder]: For program point L3274(lines 3274 3278) no Hoare annotation was computed. [2022-11-20 20:57:14,827 INFO L902 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2022-11-20 20:57:14,827 INFO L902 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2022-11-20 20:57:14,827 INFO L902 garLoopResultBuilder]: At program point pg_resetENTRY(lines 3244 3325) the Hoare annotation is: true [2022-11-20 20:57:14,828 INFO L902 garLoopResultBuilder]: At program point L3308(lines 3301 3320) the Hoare annotation is: true [2022-11-20 20:57:14,828 INFO L902 garLoopResultBuilder]: At program point L3275(lines 3254 3324) the Hoare annotation is: true [2022-11-20 20:57:14,828 INFO L899 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2022-11-20 20:57:14,828 INFO L899 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2022-11-20 20:57:14,828 INFO L902 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2022-11-20 20:57:14,828 INFO L902 garLoopResultBuilder]: At program point L3288(lines 3254 3324) the Hoare annotation is: true [2022-11-20 20:57:14,828 INFO L902 garLoopResultBuilder]: At program point L3280(lines 3254 3324) the Hoare annotation is: true [2022-11-20 20:57:14,829 INFO L899 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2022-11-20 20:57:14,829 INFO L902 garLoopResultBuilder]: At program point L3268(lines 3254 3324) the Hoare annotation is: true [2022-11-20 20:57:14,829 INFO L899 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2022-11-20 20:57:14,829 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2921 2930) the Hoare annotation is: true [2022-11-20 20:57:14,829 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2022-11-20 20:57:14,829 INFO L902 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 4535 4537) the Hoare annotation is: true [2022-11-20 20:57:14,830 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2022-11-20 20:57:14,830 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2022-11-20 20:57:14,830 INFO L902 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 4516 4518) the Hoare annotation is: true [2022-11-20 20:57:14,830 INFO L899 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2022-11-20 20:57:14,830 INFO L899 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2022-11-20 20:57:14,830 INFO L899 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2022-11-20 20:57:14,831 INFO L899 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2022-11-20 20:57:14,831 INFO L899 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2022-11-20 20:57:14,831 INFO L899 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2022-11-20 20:57:14,831 INFO L899 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2022-11-20 20:57:14,831 INFO L899 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2022-11-20 20:57:14,832 INFO L895 garLoopResultBuilder]: At program point L4464-1(lines 4462 4465) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,832 INFO L895 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2022-11-20 20:57:14,832 INFO L895 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2022-11-20 20:57:14,832 INFO L902 garLoopResultBuilder]: At program point L4497-1(lines 4480 4501) the Hoare annotation is: true [2022-11-20 20:57:14,832 INFO L899 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2022-11-20 20:57:14,832 INFO L895 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,833 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-11-20 20:57:14,833 INFO L895 garLoopResultBuilder]: At program point L3771(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,833 INFO L899 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2022-11-20 20:57:14,833 INFO L899 garLoopResultBuilder]: For program point L3541-1(line 3541) no Hoare annotation was computed. [2022-11-20 20:57:14,833 INFO L895 garLoopResultBuilder]: At program point L3541(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,834 INFO L899 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2022-11-20 20:57:14,834 INFO L895 garLoopResultBuilder]: At program point L3475(lines 3475 3476) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,834 INFO L895 garLoopResultBuilder]: At program point L3938(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,834 INFO L899 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2022-11-20 20:57:14,834 INFO L899 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2022-11-20 20:57:14,834 INFO L899 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2022-11-20 20:57:14,835 INFO L899 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2022-11-20 20:57:14,835 INFO L895 garLoopResultBuilder]: At program point L3808(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,835 INFO L895 garLoopResultBuilder]: At program point L3478(line 3478) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,835 INFO L899 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2022-11-20 20:57:14,835 INFO L895 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,836 INFO L895 garLoopResultBuilder]: At program point L4503-1(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,836 INFO L899 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2022-11-20 20:57:14,836 INFO L899 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2022-11-20 20:57:14,836 INFO L895 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,836 INFO L895 garLoopResultBuilder]: At program point L4009-1(lines 4005 4012) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,837 INFO L895 garLoopResultBuilder]: At program point L4009(line 4009) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,837 INFO L895 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2022-11-20 20:57:14,837 INFO L895 garLoopResultBuilder]: At program point L4406-1(lines 4404 4407) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,837 INFO L899 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2022-11-20 20:57:14,837 INFO L895 garLoopResultBuilder]: At program point L3746(lines 3746 3751) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,838 INFO L895 garLoopResultBuilder]: At program point L3680(line 3680) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,838 INFO L899 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2022-11-20 20:57:14,838 INFO L895 garLoopResultBuilder]: At program point L3548(lines 3515 3551) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,838 INFO L899 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2022-11-20 20:57:14,838 INFO L899 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2022-11-20 20:57:14,838 INFO L899 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2022-11-20 20:57:14,839 INFO L899 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2022-11-20 20:57:14,839 INFO L895 garLoopResultBuilder]: At program point L3483(line 3483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,839 INFO L899 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2022-11-20 20:57:14,839 INFO L895 garLoopResultBuilder]: At program point L3715(lines 3715 3719) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,839 INFO L899 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2022-11-20 20:57:14,839 INFO L895 garLoopResultBuilder]: At program point L3749(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,840 INFO L899 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2022-11-20 20:57:14,840 INFO L899 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2022-11-20 20:57:14,840 INFO L899 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2022-11-20 20:57:14,840 INFO L899 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2022-11-20 20:57:14,840 INFO L899 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2022-11-20 20:57:14,840 INFO L899 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2022-11-20 20:57:14,841 INFO L899 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2022-11-20 20:57:14,841 INFO L899 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2022-11-20 20:57:14,841 INFO L895 garLoopResultBuilder]: At program point L3487(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,841 INFO L895 garLoopResultBuilder]: At program point L3884(lines 3884 3892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,841 INFO L899 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2022-11-20 20:57:14,842 INFO L895 garLoopResultBuilder]: At program point L3851(line 3851) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,842 INFO L895 garLoopResultBuilder]: At program point L3686(lines 3686 3687) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,842 INFO L899 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2022-11-20 20:57:14,842 INFO L895 garLoopResultBuilder]: At program point L3455-1(lines 3451 3506) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,842 INFO L895 garLoopResultBuilder]: At program point L3521-2(lines 3521 3525) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,842 INFO L899 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2022-11-20 20:57:14,843 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 20:57:14,843 INFO L895 garLoopResultBuilder]: At program point L4017-1(lines 4013 4020) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,843 INFO L895 garLoopResultBuilder]: At program point L4017(line 4017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,843 INFO L895 garLoopResultBuilder]: At program point L3456(lines 3456 3457) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,843 INFO L899 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2022-11-20 20:57:14,844 INFO L899 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2022-11-20 20:57:14,844 INFO L899 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2022-11-20 20:57:14,844 INFO L895 garLoopResultBuilder]: At program point L3490(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,844 INFO L895 garLoopResultBuilder]: At program point L3028(line 3028) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,844 INFO L899 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2022-11-20 20:57:14,844 INFO L899 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2022-11-20 20:57:14,845 INFO L899 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2022-11-20 20:57:14,845 INFO L895 garLoopResultBuilder]: At program point L3657(line 3657) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,845 INFO L899 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2022-11-20 20:57:14,845 INFO L899 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2022-11-20 20:57:14,845 INFO L895 garLoopResultBuilder]: At program point L3459(line 3459) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,845 INFO L895 garLoopResultBuilder]: At program point L3922(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,846 INFO L895 garLoopResultBuilder]: At program point L3856(line 3856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,846 INFO L895 garLoopResultBuilder]: At program point L3790(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,846 INFO L899 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2022-11-20 20:57:14,846 INFO L899 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2022-11-20 20:57:14,846 INFO L899 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2022-11-20 20:57:14,846 INFO L895 garLoopResultBuilder]: At program point L3559-1(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,847 INFO L895 garLoopResultBuilder]: At program point L3559(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,847 INFO L899 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2022-11-20 20:57:14,847 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:57:14,847 INFO L899 garLoopResultBuilder]: For program point L3659(lines 3659 3662) no Hoare annotation was computed. [2022-11-20 20:57:14,847 INFO L899 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2022-11-20 20:57:14,847 INFO L895 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2022-11-20 20:57:14,848 INFO L899 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2022-11-20 20:57:14,848 INFO L895 garLoopResultBuilder]: At program point L2933-1(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,848 INFO L895 garLoopResultBuilder]: At program point L2933(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,848 INFO L895 garLoopResultBuilder]: At program point L3033-1(line 3033) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,848 INFO L895 garLoopResultBuilder]: At program point L2835-1(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,849 INFO L895 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,849 INFO L895 garLoopResultBuilder]: At program point L3694(lines 3637 3696) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,849 INFO L899 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2022-11-20 20:57:14,849 INFO L899 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2022-11-20 20:57:14,849 INFO L895 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,850 INFO L895 garLoopResultBuilder]: At program point L3761(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,850 INFO L899 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2022-11-20 20:57:14,850 INFO L895 garLoopResultBuilder]: At program point L3464(line 3464) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,850 INFO L899 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2022-11-20 20:57:14,850 INFO L899 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2022-11-20 20:57:14,850 INFO L895 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2022-11-20 20:57:14,850 INFO L899 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2022-11-20 20:57:14,851 INFO L899 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2022-11-20 20:57:14,851 INFO L899 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2022-11-20 20:57:14,851 INFO L895 garLoopResultBuilder]: At program point L3532-2(lines 3532 3536) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,851 INFO L899 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2022-11-20 20:57:14,851 INFO L895 garLoopResultBuilder]: At program point L3533(line 3533) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-20 20:57:14,851 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,852 INFO L895 garLoopResultBuilder]: At program point L3798(line 3798) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,852 INFO L895 garLoopResultBuilder]: At program point L3732(lines 3721 3740) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,852 INFO L899 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2022-11-20 20:57:14,852 INFO L895 garLoopResultBuilder]: At program point L3039(lines 3020 3047) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-20 20:57:14,852 INFO L895 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2022-11-20 20:57:14,853 INFO L899 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2022-11-20 20:57:14,853 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2022-11-20 20:57:14,853 INFO L902 garLoopResultBuilder]: At program point xsENTRY(lines 3326 3364) the Hoare annotation is: true [2022-11-20 20:57:14,853 INFO L902 garLoopResultBuilder]: At program point L3350(lines 3333 3363) the Hoare annotation is: true [2022-11-20 20:57:14,853 INFO L902 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2022-11-20 20:57:14,853 INFO L899 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2022-11-20 20:57:14,853 INFO L899 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2022-11-20 20:57:14,854 INFO L899 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2022-11-20 20:57:14,854 INFO L899 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2022-11-20 20:57:14,854 INFO L902 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2022-11-20 20:57:14,854 INFO L899 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2022-11-20 20:57:14,854 INFO L902 garLoopResultBuilder]: At program point pg_identifyENTRY(lines 3365 3406) the Hoare annotation is: true [2022-11-20 20:57:14,854 INFO L902 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2022-11-20 20:57:14,855 INFO L899 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2022-11-20 20:57:14,855 INFO L899 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2022-11-20 20:57:14,855 INFO L899 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2022-11-20 20:57:14,855 INFO L902 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2022-11-20 20:57:14,855 INFO L899 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2022-11-20 20:57:14,855 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2022-11-20 20:57:14,855 INFO L902 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 4569 4571) the Hoare annotation is: true [2022-11-20 20:57:14,863 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:14,865 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:57:14,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:57:14 BoogieIcfgContainer [2022-11-20 20:57:14,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:57:14,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:57:14,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:57:14,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:57:14,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:02" (3/4) ... [2022-11-20 20:57:14,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-11-20 20:57:14,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2022-11-20 20:57:14,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2022-11-20 20:57:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-20 20:57:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2022-11-20 20:57:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-11-20 20:57:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2022-11-20 20:57:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-20 20:57:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-11-20 20:57:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-11-20 20:57:14,907 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-11-20 20:57:14,907 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2022-11-20 20:57:14,907 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-11-20 20:57:14,925 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 301 nodes and edges [2022-11-20 20:57:14,927 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2022-11-20 20:57:14,929 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-20 20:57:14,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 20:57:14,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 20:57:14,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 20:57:14,937 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:57:15,066 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:57:15,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:57:15,067 INFO L158 Benchmark]: Toolchain (without parser) took 17101.23ms. Allocated memory was 163.6MB in the beginning and 314.6MB in the end (delta: 151.0MB). Free memory was 127.8MB in the beginning and 216.9MB in the end (delta: -89.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,067 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:57:15,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.48ms. Allocated memory is still 163.6MB. Free memory was 127.8MB in the beginning and 106.4MB in the end (delta: 21.4MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.27ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 98.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,068 INFO L158 Benchmark]: Boogie Preprocessor took 148.51ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 89.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,068 INFO L158 Benchmark]: RCFGBuilder took 2821.03ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 89.6MB in the beginning and 127.4MB in the end (delta: -37.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,069 INFO L158 Benchmark]: TraceAbstraction took 12377.61ms. Allocated memory was 205.5MB in the beginning and 314.6MB in the end (delta: 109.1MB). Free memory was 127.4MB in the beginning and 240.0MB in the end (delta: -112.6MB). Peak memory consumption was 169.4MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,069 INFO L158 Benchmark]: Witness Printer took 172.47ms. Allocated memory is still 314.6MB. Free memory was 240.0MB in the beginning and 216.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 20:57:15,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.48ms. Allocated memory is still 163.6MB. Free memory was 127.8MB in the beginning and 106.4MB in the end (delta: 21.4MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.27ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 98.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.51ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 89.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2821.03ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 89.6MB in the beginning and 127.4MB in the end (delta: -37.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12377.61ms. Allocated memory was 205.5MB in the beginning and 314.6MB in the end (delta: 109.1MB). Free memory was 127.4MB in the beginning and 240.0MB in the end (delta: -112.6MB). Peak memory consumption was 169.4MB. Max. memory is 16.1GB. * Witness Printer took 172.47ms. Allocated memory is still 314.6MB. Free memory was 240.0MB in the beginning and 216.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 338 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2981 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2979 mSDsluCounter, 6294 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1986 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1187 IncrementalHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4308 mSDtfsCounter, 1187 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=9, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 160 LocationsWithAnnotation, 2961 PreInvPairs, 3036 NumberOfFragments, 1030 HoareAnnotationTreeSize, 2961 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 160 FomulaSimplificationsInter, 13291 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5339 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 16/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4503]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3876]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4013]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3746]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3721]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4462]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3884]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4005]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3515]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 4480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3099]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4404]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3521]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3715]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2933]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3637]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3559]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 20:57:15,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4272c3f-d6d3-4845-ac63-d21aae401203/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE