./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bdcb32e90fffda272ef4414cda96d9fa59a53e22555da4af86a588968a9c4dd7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:15:38,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:15:38,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:15:38,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:15:38,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:15:38,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:15:38,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:15:38,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:15:38,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:15:38,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:15:38,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:15:38,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:15:38,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:15:38,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:15:38,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:15:38,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:15:38,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:15:38,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:15:38,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:15:38,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:15:38,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:15:38,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:15:38,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:15:39,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:15:39,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:15:39,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:15:39,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:15:39,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:15:39,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:15:39,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:15:39,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:15:39,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:15:39,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:15:39,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:15:39,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:15:39,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:15:39,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:15:39,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:15:39,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:15:39,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:15:39,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:15:39,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:15:39,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:15:39,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:15:39,071 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:15:39,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:15:39,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:15:39,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:15:39,073 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:15:39,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:15:39,073 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:15:39,074 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:15:39,075 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:15:39,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:15:39,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:15:39,076 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:15:39,076 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:15:39,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:15:39,077 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:15:39,077 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:15:39,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:15:39,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:15:39,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:15:39,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:15:39,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:15:39,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:15:39,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:15:39,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:15:39,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:15:39,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:15:39,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:15:39,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:15:39,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:15:39,082 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:15:39,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:15:39,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:15:39,083 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:15:39,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:15:39,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:15:39,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:15:39,084 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_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdcb32e90fffda272ef4414cda96d9fa59a53e22555da4af86a588968a9c4dd7 [2022-11-19 07:15:39,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:15:39,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:15:39,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:15:39,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:15:39,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:15:39,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i [2022-11-19 07:15:39,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/data/e223e3b24/6a6c27d78dbf45dd8c121e0af9b4c377/FLAG889b86b3b [2022-11-19 07:15:40,447 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:15:40,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i [2022-11-19 07:15:40,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/data/e223e3b24/6a6c27d78dbf45dd8c121e0af9b4c377/FLAG889b86b3b [2022-11-19 07:15:40,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/data/e223e3b24/6a6c27d78dbf45dd8c121e0af9b4c377 [2022-11-19 07:15:40,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:15:40,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:15:40,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:15:40,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:15:40,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:15:40,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:40" (1/1) ... [2022-11-19 07:15:40,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5833f26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:40, skipping insertion in model container [2022-11-19 07:15:40,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:40" (1/1) ... [2022-11-19 07:15:40,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:15:41,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:15:44,083 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i[355549,355562] [2022-11-19 07:15:44,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:15:44,213 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:15:44,762 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i[355549,355562] [2022-11-19 07:15:44,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:15:45,057 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:15:45,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45 WrapperNode [2022-11-19 07:15:45,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:15:45,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:15:45,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:15:45,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:15:45,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,466 INFO L138 Inliner]: procedures = 409, calls = 2615, calls flagged for inlining = 208, calls inlined = 189, statements flattened = 5790 [2022-11-19 07:15:45,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:15:45,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:15:45,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:15:45,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:15:45,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:15:45,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:15:45,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:15:45,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:15:45,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2022-11-19 07:15:45,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:15:46,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:46,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:15:46,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:15:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2022-11-19 07:15:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2022-11-19 07:15:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:15:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:15:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:15:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:15:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-19 07:15:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-19 07:15:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_state_machine_work [2022-11-19 07:15:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_state_machine_work [2022-11-19 07:15:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 07:15:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 07:15:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:15:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:15:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:15:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:15:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-19 07:15:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-19 07:15:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:15:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:15:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2022-11-19 07:15:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2022-11-19 07:15:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-19 07:15:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-19 07:15:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2022-11-19 07:15:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2022-11-19 07:15:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:15:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:15:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:15:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:15:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2022-11-19 07:15:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2022-11-19 07:15:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2022-11-19 07:15:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2022-11-19 07:15:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 07:15:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 07:15:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:15:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:15:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-19 07:15:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-19 07:15:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_set_mac_address [2022-11-19 07:15:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_set_mac_address [2022-11-19 07:15:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2022-11-19 07:15:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2022-11-19 07:15:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2022-11-19 07:15:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2022-11-19 07:15:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:15:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:15:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:15:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:15:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 07:15:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 07:15:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2022-11-19 07:15:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2022-11-19 07:15:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:15:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:15:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 07:15:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 07:15:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:15:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:15:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:15:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2022-11-19 07:15:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2022-11-19 07:15:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-19 07:15:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-19 07:15:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-19 07:15:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-19 07:15:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:15:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:15:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 07:15:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 07:15:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:15:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:15:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:15:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:15:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:15:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:15:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_5 [2022-11-19 07:15:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_5 [2022-11-19 07:15:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2022-11-19 07:15:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2022-11-19 07:15:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:15:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:15:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:15:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:15:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:15:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:15:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:15:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-19 07:15:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-19 07:15:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 07:15:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 07:15:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2022-11-19 07:15:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2022-11-19 07:15:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:15:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:15:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2022-11-19 07:15:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2022-11-19 07:15:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2022-11-19 07:15:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2022-11-19 07:15:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:15:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:15:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2022-11-19 07:15:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2022-11-19 07:15:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2022-11-19 07:15:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2022-11-19 07:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-19 07:15:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-19 07:15:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2022-11-19 07:15:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2022-11-19 07:15:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:15:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_5 [2022-11-19 07:15:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_5 [2022-11-19 07:15:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2022-11-19 07:15:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2022-11-19 07:15:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:15:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:15:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:15:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2022-11-19 07:15:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2022-11-19 07:15:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-19 07:15:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-19 07:15:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:15:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:15:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2022-11-19 07:15:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2022-11-19 07:15:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:15:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:15:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 07:15:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 07:15:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2022-11-19 07:15:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2022-11-19 07:15:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 07:15:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 07:15:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2022-11-19 07:15:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2022-11-19 07:15:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-19 07:15:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-19 07:15:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_timeout_work [2022-11-19 07:15:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_timeout_work [2022-11-19 07:15:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:15:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:15:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:15:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:15:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:15:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:15:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2022-11-19 07:15:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2022-11-19 07:15:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:15:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:15:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2022-11-19 07:15:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2022-11-19 07:15:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:15:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:15:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:15:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:15:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 07:15:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 07:15:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:15:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:15:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-19 07:15:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-19 07:15:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 07:15:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 07:15:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 07:15:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 07:15:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2022-11-19 07:15:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2022-11-19 07:15:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:15:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:15:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 07:15:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 07:15:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 07:15:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 07:15:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2022-11-19 07:15:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2022-11-19 07:15:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:15:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:15:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2022-11-19 07:15:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2022-11-19 07:15:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:15:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:15:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:15:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:15:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 07:15:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 07:15:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 07:15:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 07:15:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:15:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:15:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:15:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:15:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:15:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:15:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:15:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:15:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-19 07:15:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-19 07:15:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:15:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-19 07:15:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-19 07:15:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 07:15:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 07:15:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:15:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:15:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:15:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:15:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2022-11-19 07:15:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2022-11-19 07:15:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 07:15:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 07:15:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2022-11-19 07:15:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2022-11-19 07:15:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_reset_work [2022-11-19 07:15:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_reset_work [2022-11-19 07:15:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:15:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:15:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2022-11-19 07:15:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2022-11-19 07:15:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2022-11-19 07:15:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2022-11-19 07:15:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 07:15:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 07:15:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:15:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:15:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2022-11-19 07:15:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2022-11-19 07:15:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 07:15:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 07:15:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:15:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:15:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2022-11-19 07:15:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2022-11-19 07:15:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:15:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 07:15:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 07:15:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:15:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:15:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2022-11-19 07:15:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2022-11-19 07:15:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-19 07:15:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-19 07:15:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:15:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:15:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2022-11-19 07:15:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2022-11-19 07:15:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:15:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:15:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-19 07:15:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-19 07:15:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2022-11-19 07:15:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2022-11-19 07:15:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2022-11-19 07:15:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2022-11-19 07:15:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-19 07:15:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-19 07:15:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 07:15:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 07:15:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 07:15:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 07:15:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 07:15:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 07:15:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:15:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:15:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-19 07:15:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:15:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-19 07:15:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-19 07:15:47,227 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:15:47,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:15:47,628 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:15:53,064 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:15:54,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:15:54,845 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:15:54,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:54 BoogieIcfgContainer [2022-11-19 07:15:54,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:15:54,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:15:54,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:15:54,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:15:54,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:15:40" (1/3) ... [2022-11-19 07:15:54,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139149a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:15:54, skipping insertion in model container [2022-11-19 07:15:54,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (2/3) ... [2022-11-19 07:15:54,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139149a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:15:54, skipping insertion in model container [2022-11-19 07:15:54,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:54" (3/3) ... [2022-11-19 07:15:54,930 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qla3xxx.ko-entry_point.cil.out.i [2022-11-19 07:15:54,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:15:54,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:15:55,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:15:55,062 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;@1b146c2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:15:55,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:15:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 1815 states, 1062 states have (on average 1.2947269303201507) internal successors, (1375), 1118 states have internal predecessors, (1375), 626 states have call successors, (626), 126 states have call predecessors, (626), 125 states have return successors, (616), 603 states have call predecessors, (616), 616 states have call successors, (616) [2022-11-19 07:15:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-19 07:15:55,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:55,116 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 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] [2022-11-19 07:15:55,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:15:55,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:55,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1501474334, now seen corresponding path program 1 times [2022-11-19 07:15:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:55,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770290049] [2022-11-19 07:15:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:55,691 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:55,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428554581] [2022-11-19 07:15:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:55,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:55,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:55,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:55,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:15:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:57,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 3402 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:57,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-11-19 07:15:57,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:57,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:57,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770290049] [2022-11-19 07:15:57,444 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:57,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428554581] [2022-11-19 07:15:57,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428554581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:57,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:57,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:15:57,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902720514] [2022-11-19 07:15:57,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:57,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:57,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:57,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:57,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:57,507 INFO L87 Difference]: Start difference. First operand has 1815 states, 1062 states have (on average 1.2947269303201507) internal successors, (1375), 1118 states have internal predecessors, (1375), 626 states have call successors, (626), 126 states have call predecessors, (626), 125 states have return successors, (616), 603 states have call predecessors, (616), 616 states have call successors, (616) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:16:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:01,328 INFO L93 Difference]: Finished difference Result 5160 states and 7489 transitions. [2022-11-19 07:16:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:16:01,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 160 [2022-11-19 07:16:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:01,391 INFO L225 Difference]: With dead ends: 5160 [2022-11-19 07:16:01,391 INFO L226 Difference]: Without dead ends: 3331 [2022-11-19 07:16:01,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:16:01,418 INFO L413 NwaCegarLoop]: 2869 mSDtfsCounter, 2312 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 5105 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:16:01,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 5105 Invalid, 558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 07:16:01,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2022-11-19 07:16:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3325. [2022-11-19 07:16:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 1962 states have (on average 1.2798165137614679) internal successors, (2511), 2048 states have internal predecessors, (2511), 1131 states have call successors, (1131), 232 states have call predecessors, (1131), 231 states have return successors, (1130), 1101 states have call predecessors, (1130), 1130 states have call successors, (1130) [2022-11-19 07:16:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 4772 transitions. [2022-11-19 07:16:01,802 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 4772 transitions. Word has length 160 [2022-11-19 07:16:01,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:01,805 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 4772 transitions. [2022-11-19 07:16:01,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:16:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 4772 transitions. [2022-11-19 07:16:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-19 07:16:01,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:01,838 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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] [2022-11-19 07:16:01,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:02,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:16:02,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:16:02,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:02,053 INFO L85 PathProgramCache]: Analyzing trace with hash -61991739, now seen corresponding path program 1 times [2022-11-19 07:16:02,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:02,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477547883] [2022-11-19 07:16:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:02,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:02,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:02,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477547883] [2022-11-19 07:16:02,621 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 07:16:02,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163928046] [2022-11-19 07:16:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:02,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:02,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:02,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:02,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:16:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:04,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:16:04,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-19 07:16:04,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:16:04,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163928046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:16:04,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:16:04,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:16:04,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399073221] [2022-11-19 07:16:04,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:16:04,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:16:04,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:16:04,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:16:04,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:16:04,484 INFO L87 Difference]: Start difference. First operand 3325 states and 4772 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 07:16:07,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:07,630 INFO L93 Difference]: Finished difference Result 6635 states and 9566 transitions. [2022-11-19 07:16:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:16:07,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 256 [2022-11-19 07:16:07,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:07,666 INFO L225 Difference]: With dead ends: 6635 [2022-11-19 07:16:07,667 INFO L226 Difference]: Without dead ends: 3331 [2022-11-19 07:16:07,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:16:07,696 INFO L413 NwaCegarLoop]: 2338 mSDtfsCounter, 1 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4674 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:16:07,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4674 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-19 07:16:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2022-11-19 07:16:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3327. [2022-11-19 07:16:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3327 states, 1964 states have (on average 1.2795315682281059) internal successors, (2513), 2050 states have internal predecessors, (2513), 1131 states have call successors, (1131), 232 states have call predecessors, (1131), 231 states have return successors, (1130), 1101 states have call predecessors, (1130), 1130 states have call successors, (1130) [2022-11-19 07:16:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 4774 transitions. [2022-11-19 07:16:07,940 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 4774 transitions. Word has length 256 [2022-11-19 07:16:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:07,943 INFO L495 AbstractCegarLoop]: Abstraction has 3327 states and 4774 transitions. [2022-11-19 07:16:07,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 07:16:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 4774 transitions. [2022-11-19 07:16:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-19 07:16:07,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:07,961 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:16:07,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:08,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:08,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:16:08,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:08,177 INFO L85 PathProgramCache]: Analyzing trace with hash 971496009, now seen corresponding path program 1 times [2022-11-19 07:16:08,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:08,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737139757] [2022-11-19 07:16:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:08,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:08,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:08,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737139757] [2022-11-19 07:16:08,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 07:16:08,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453002492] [2022-11-19 07:16:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:08,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:08,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:08,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:08,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:16:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:10,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 4421 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:16:10,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-19 07:16:10,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:16:10,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453002492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:16:10,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:16:10,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:16:10,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099461113] [2022-11-19 07:16:10,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:16:10,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:16:10,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:16:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:16:10,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:16:10,464 INFO L87 Difference]: Start difference. First operand 3327 states and 4774 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-19 07:16:13,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:13,223 INFO L93 Difference]: Finished difference Result 6655 states and 9561 transitions. [2022-11-19 07:16:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:16:13,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 310 [2022-11-19 07:16:13,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:13,249 INFO L225 Difference]: With dead ends: 6655 [2022-11-19 07:16:13,250 INFO L226 Difference]: Without dead ends: 3349 [2022-11-19 07:16:13,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:16:13,274 INFO L413 NwaCegarLoop]: 2340 mSDtfsCounter, 9 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4674 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:16:13,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4674 Invalid, 490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-19 07:16:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3349 states. [2022-11-19 07:16:13,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3349 to 3329. [2022-11-19 07:16:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3329 states, 1966 states have (on average 1.2792472024415056) internal successors, (2515), 2052 states have internal predecessors, (2515), 1131 states have call successors, (1131), 232 states have call predecessors, (1131), 231 states have return successors, (1130), 1101 states have call predecessors, (1130), 1130 states have call successors, (1130) [2022-11-19 07:16:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 4776 transitions. [2022-11-19 07:16:13,439 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 4776 transitions. Word has length 310 [2022-11-19 07:16:13,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:13,440 INFO L495 AbstractCegarLoop]: Abstraction has 3329 states and 4776 transitions. [2022-11-19 07:16:13,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-19 07:16:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 4776 transitions. [2022-11-19 07:16:13,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-19 07:16:13,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:13,454 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2022-11-19 07:16:13,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:13,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:13,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:16:13,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash 135639020, now seen corresponding path program 1 times [2022-11-19 07:16:13,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:13,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766186073] [2022-11-19 07:16:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:13,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:13,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:13,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766186073] [2022-11-19 07:16:13,961 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 07:16:13,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519589] [2022-11-19 07:16:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:13,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:13,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:13,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137af5aa-c389-4ca7-9266-fa4371c52a9d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:16:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:15,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 4454 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:16:15,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-19 07:16:15,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:16:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-19 07:16:16,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519589] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:16:16,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1421168238] [2022-11-19 07:16:16,228 INFO L159 IcfgInterpreter]: Started Sifa with 214 locations of interest [2022-11-19 07:16:16,229 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:16:16,234 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:16:16,240 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:16:16,240 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:19,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:16:20,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:16:20,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:16:20,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:16:21,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:16:21,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:16:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:22,389 INFO L217 Elim1Store]: Index analysis took 634 ms [2022-11-19 07:16:59,549 WARN L233 SmtUtils]: Spent 37.09s on a formula simplification. DAG size of input: 1978 DAG size of output: 1145 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:16:59,556 INFO L321 Elim1Store]: treesize reduction 3807, result has 33.9 percent of original size [2022-11-19 07:16:59,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 165 select indices, 165 select index equivalence classes, 13534 disjoint index pairs (out of 13530 index pairs), introduced 165 new quantified variables, introduced 165 case distinctions, treesize of input 835 treesize of output 2458 [2022-11-19 07:17:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:04,291 INFO L217 Elim1Store]: Index analysis took 1633 ms [2022-11-19 07:18:03,968 WARN L233 SmtUtils]: Spent 59.62s on a formula simplification. DAG size of input: 2639 DAG size of output: 1319 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:18:03,971 INFO L321 Elim1Store]: treesize reduction 6254, result has 25.5 percent of original size [2022-11-19 07:18:03,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 168 select indices, 168 select index equivalence classes, 13699 disjoint index pairs (out of 14028 index pairs), introduced 168 new quantified variables, introduced 495 case distinctions, treesize of input 854 treesize of output 2661 [2022-11-19 07:18:07,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:18:21,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:18:21,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:18:21,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:18:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:27,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 168 select indices, 168 select index equivalence classes, 14028 disjoint index pairs (out of 14028 index pairs), introduced 168 new quantified variables, introduced 0 case distinctions, treesize of input 841 treesize of output 505 [2022-11-19 07:18:29,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:29,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 207 select indices, 207 select index equivalence classes, 1169 disjoint index pairs (out of 21321 index pairs), introduced 207 new quantified variables, introduced 0 case distinctions, treesize of input 1558 treesize of output 622 [2022-11-19 07:18:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:30,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 167 select indices, 167 select index equivalence classes, 13863 disjoint index pairs (out of 13861 index pairs), introduced 167 new quantified variables, introduced 0 case distinctions, treesize of input 836 treesize of output 502 [2022-11-19 07:18:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:47,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 168 select indices, 168 select index equivalence classes, 14028 disjoint index pairs (out of 14028 index pairs), introduced 168 new quantified variables, introduced 0 case distinctions, treesize of input 841 treesize of output 505 [2022-11-19 07:18:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:48,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 207 select indices, 207 select index equivalence classes, 1169 disjoint index pairs (out of 21321 index pairs), introduced 207 new quantified variables, introduced 0 case distinctions, treesize of input 1558 treesize of output 622 [2022-11-19 07:18:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:18:49,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 167 select indices, 167 select index equivalence classes, 13863 disjoint index pairs (out of 13861 index pairs), introduced 167 new quantified variables, introduced 0 case distinctions, treesize of input 836 treesize of output 502 [2022-11-19 07:19:00,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:19:01,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:19:02,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:19:07,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:19:07,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:19:08,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:20:39,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:20:39,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:20:39,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:20:41,556 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:20:41,562 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:20:41,585 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:21:56,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:21:56,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:21:56,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:21:59,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:21:59,413 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:21:59,422 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:22:13,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:22:14,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:22:14,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:22:20,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:22:21,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:22:21,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:24:05,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:24:05,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:24:05,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:24:08,063 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:24:08,112 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:24:08,117 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:25:24,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:25:24,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:25:24,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:25:26,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:25:26,647 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:25:26,653 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:27:53,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:27:54,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:27:55,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:27:56,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:27:56,616 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:27:56,670 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:30:04,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:30:04,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:30:04,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:30:06,886 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:30:06,889 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:30:06,909 WARN L207 Elim1Store]: Array PQE input equivalent to false