./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f0485a3455261f9200e205dff2390256607a22c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f0485a3455261f9200e205dff2390256607a22c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:03:46,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:03:46,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:03:46,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:03:46,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:03:46,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:03:46,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:03:46,968 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:03:46,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:03:46,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:03:46,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:03:46,971 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:03:46,971 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:03:46,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:03:46,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:03:46,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:03:46,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:03:46,975 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:03:46,976 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:03:46,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:03:46,978 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:03:46,979 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:03:46,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:03:46,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:03:46,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:03:46,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:03:46,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:03:46,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:03:46,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:03:46,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:03:46,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:03:46,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:03:46,985 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:03:46,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:03:46,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:03:46,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:03:46,987 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 08:03:46,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:03:46,995 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:03:46,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:03:46,995 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:03:46,995 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:03:46,996 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:03:46,996 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:03:46,996 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:03:46,996 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:03:46,996 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:03:46,996 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 08:03:46,996 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:03:46,997 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:03:46,997 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:03:46,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:03:46,997 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:03:46,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:03:46,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:03:46,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:03:46,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:03:46,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:03:46,998 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:03:46,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:03:46,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:03:46,999 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:03:46,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:03:46,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:03:46,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:03:46,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:03:46,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:03:46,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:03:47,000 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:03:47,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:03:47,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:03:47,000 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:03:47,000 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 08:03:47,000 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan 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(__VERIFIER_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 -> 6f0485a3455261f9200e205dff2390256607a22c [2018-11-23 08:03:47,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:03:47,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:03:47,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:03:47,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:03:47,032 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:03:47,033 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:03:47,068 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/8fb72975a/88d1cf555d2741d3b1d1056e555611d6/FLAG9a56add6f [2018-11-23 08:03:47,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:03:47,602 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:03:47,620 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/8fb72975a/88d1cf555d2741d3b1d1056e555611d6/FLAG9a56add6f [2018-11-23 08:03:48,054 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/8fb72975a/88d1cf555d2741d3b1d1056e555611d6 [2018-11-23 08:03:48,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:03:48,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:03:48,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:03:48,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:03:48,060 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:03:48,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4c33c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48, skipping insertion in model container [2018-11-23 08:03:48,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:03:48,118 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:03:48,443 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3063] [2018-11-23 08:03:48,443 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3064-3065] [2018-11-23 08:03:48,709 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:03:48,734 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:03:48,783 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3063] [2018-11-23 08:03:48,783 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3064-3065] [2018-11-23 08:03:48,840 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:03:48,883 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:03:48,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48 WrapperNode [2018-11-23 08:03:48,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:03:48,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:03:48,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:03:48,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:03:48,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:03:48,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:03:48,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:03:48,927 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:03:48,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:48,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... [2018-11-23 08:03:49,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:03:49,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:03:49,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:03:49,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:03:49,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:03:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2018-11-23 08:03:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2018-11-23 08:03:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2018-11-23 08:03:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2018-11-23 08:03:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2018-11-23 08:03:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2018-11-23 08:03:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 08:03:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 08:03:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2018-11-23 08:03:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2018-11-23 08:03:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 08:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 08:03:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure pg_read [2018-11-23 08:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_read [2018-11-23 08:03:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 08:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 08:03:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 08:03:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2018-11-23 08:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2018-11-23 08:03:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2018-11-23 08:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2018-11-23 08:03:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2018-11-23 08:03:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:03:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 08:03:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 08:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 08:03:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2018-11-23 08:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2018-11-23 08:03:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 08:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 08:03:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-23 08:03:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 08:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 08:03:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 08:03:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 08:03:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_units [2018-11-23 08:03:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_units [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:03:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 08:03:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure pg_open [2018-11-23 08:03:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_open [2018-11-23 08:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_19 [2018-11-23 08:03:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_19 [2018-11-23 08:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 08:03:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 08:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure pg_exit [2018-11-23 08:03:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_exit [2018-11-23 08:03:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure pg_release [2018-11-23 08:03:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_release [2018-11-23 08:03:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure pg_detect [2018-11-23 08:03:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_detect [2018-11-23 08:03:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 08:03:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 08:03:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:03:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:03:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 08:03:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 08:03:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2018-11-23 08:03:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2018-11-23 08:03:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2018-11-23 08:03:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 08:03:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 08:03:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2018-11-23 08:03:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init [2018-11-23 08:03:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-23 08:03:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2018-11-23 08:03:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 08:03:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2018-11-23 08:03:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2018-11-23 08:03:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 08:03:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2018-11-23 08:03:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2018-11-23 08:03:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2018-11-23 08:03:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 08:03:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 08:03:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 08:03:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 08:03:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:03:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:03:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2018-11-23 08:03:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2018-11-23 08:03:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 08:03:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 08:03:50,959 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:03:50,960 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 08:03:50,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:50 BoogieIcfgContainer [2018-11-23 08:03:50,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:03:50,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:03:50,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:03:50,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:03:50,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:03:48" (1/3) ... [2018-11-23 08:03:50,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39040010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:03:50, skipping insertion in model container [2018-11-23 08:03:50,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:48" (2/3) ... [2018-11-23 08:03:50,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39040010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:03:50, skipping insertion in model container [2018-11-23 08:03:50,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:50" (3/3) ... [2018-11-23 08:03:50,967 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:03:50,975 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:03:50,983 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:03:50,996 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:03:51,025 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:03:51,025 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:03:51,025 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:03:51,026 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:03:51,026 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:03:51,026 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:03:51,026 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:03:51,026 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:03:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states. [2018-11-23 08:03:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 08:03:51,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:51,062 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:03:51,063 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:51,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:51,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1327754006, now seen corresponding path program 1 times [2018-11-23 08:03:51,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:51,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:51,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:51,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:51,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:03:51,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:51,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:03:51,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:51,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:03:51,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:03:51,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:51,465 INFO L87 Difference]: Start difference. First operand 459 states. Second operand 3 states. [2018-11-23 08:03:51,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:51,658 INFO L93 Difference]: Finished difference Result 1142 states and 1547 transitions. [2018-11-23 08:03:51,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:03:51,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-11-23 08:03:51,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:51,677 INFO L225 Difference]: With dead ends: 1142 [2018-11-23 08:03:51,677 INFO L226 Difference]: Without dead ends: 652 [2018-11-23 08:03:51,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:51,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-23 08:03:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 645. [2018-11-23 08:03:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2018-11-23 08:03:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 872 transitions. [2018-11-23 08:03:51,756 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 872 transitions. Word has length 96 [2018-11-23 08:03:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:51,756 INFO L480 AbstractCegarLoop]: Abstraction has 645 states and 872 transitions. [2018-11-23 08:03:51,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:03:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 872 transitions. [2018-11-23 08:03:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:03:51,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:51,765 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:03:51,765 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:51,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash -340167997, now seen corresponding path program 1 times [2018-11-23 08:03:51,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:51,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:51,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:51,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:51,769 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:03:51,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:51,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:03:51,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:51,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:03:51,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:03:51,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:51,937 INFO L87 Difference]: Start difference. First operand 645 states and 872 transitions. Second operand 3 states. [2018-11-23 08:03:51,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:51,980 INFO L93 Difference]: Finished difference Result 1279 states and 1741 transitions. [2018-11-23 08:03:51,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:03:51,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-11-23 08:03:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:51,984 INFO L225 Difference]: With dead ends: 1279 [2018-11-23 08:03:51,984 INFO L226 Difference]: Without dead ends: 657 [2018-11-23 08:03:51,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:51,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-11-23 08:03:52,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 647. [2018-11-23 08:03:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-11-23 08:03:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 874 transitions. [2018-11-23 08:03:52,011 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 874 transitions. Word has length 155 [2018-11-23 08:03:52,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:52,011 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 874 transitions. [2018-11-23 08:03:52,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:03:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 874 transitions. [2018-11-23 08:03:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 08:03:52,016 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:52,016 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:03:52,016 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:52,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:52,017 INFO L82 PathProgramCache]: Analyzing trace with hash -881371662, now seen corresponding path program 1 times [2018-11-23 08:03:52,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:52,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:52,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:03:52,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:52,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:03:52,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:52,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:03:52,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:03:52,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:03:52,197 INFO L87 Difference]: Start difference. First operand 647 states and 874 transitions. Second operand 5 states. [2018-11-23 08:03:52,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:52,242 INFO L93 Difference]: Finished difference Result 1285 states and 1741 transitions. [2018-11-23 08:03:52,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:03:52,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2018-11-23 08:03:52,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:52,248 INFO L225 Difference]: With dead ends: 1285 [2018-11-23 08:03:52,249 INFO L226 Difference]: Without dead ends: 661 [2018-11-23 08:03:52,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:03:52,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-11-23 08:03:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2018-11-23 08:03:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-11-23 08:03:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 888 transitions. [2018-11-23 08:03:52,280 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 888 transitions. Word has length 164 [2018-11-23 08:03:52,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:52,280 INFO L480 AbstractCegarLoop]: Abstraction has 661 states and 888 transitions. [2018-11-23 08:03:52,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:03:52,280 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 888 transitions. [2018-11-23 08:03:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 08:03:52,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:52,285 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:03:52,285 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:52,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:52,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1577752787, now seen corresponding path program 1 times [2018-11-23 08:03:52,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:52,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:52,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:03:52,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:52,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:03:52,499 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:52,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:03:52,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:03:52,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:52,500 INFO L87 Difference]: Start difference. First operand 661 states and 888 transitions. Second operand 3 states. [2018-11-23 08:03:52,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:52,526 INFO L93 Difference]: Finished difference Result 1317 states and 1785 transitions. [2018-11-23 08:03:52,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:03:52,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-11-23 08:03:52,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:52,529 INFO L225 Difference]: With dead ends: 1317 [2018-11-23 08:03:52,529 INFO L226 Difference]: Without dead ends: 679 [2018-11-23 08:03:52,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2018-11-23 08:03:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 679. [2018-11-23 08:03:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-11-23 08:03:52,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 916 transitions. [2018-11-23 08:03:52,546 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 916 transitions. Word has length 164 [2018-11-23 08:03:52,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:52,547 INFO L480 AbstractCegarLoop]: Abstraction has 679 states and 916 transitions. [2018-11-23 08:03:52,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:03:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 916 transitions. [2018-11-23 08:03:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 08:03:52,550 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:52,550 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:03:52,551 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:52,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:52,551 INFO L82 PathProgramCache]: Analyzing trace with hash -2129833020, now seen corresponding path program 1 times [2018-11-23 08:03:52,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:52,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:52,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:03:52,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:52,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:03:52,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:52,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:03:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:03:52,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:03:52,732 INFO L87 Difference]: Start difference. First operand 679 states and 916 transitions. Second operand 5 states. [2018-11-23 08:03:52,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:52,771 INFO L93 Difference]: Finished difference Result 1349 states and 1835 transitions. [2018-11-23 08:03:52,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:03:52,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2018-11-23 08:03:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:52,774 INFO L225 Difference]: With dead ends: 1349 [2018-11-23 08:03:52,775 INFO L226 Difference]: Without dead ends: 693 [2018-11-23 08:03:52,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:03:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2018-11-23 08:03:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 687. [2018-11-23 08:03:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2018-11-23 08:03:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 928 transitions. [2018-11-23 08:03:52,799 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 928 transitions. Word has length 174 [2018-11-23 08:03:52,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:52,800 INFO L480 AbstractCegarLoop]: Abstraction has 687 states and 928 transitions. [2018-11-23 08:03:52,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:03:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 928 transitions. [2018-11-23 08:03:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 08:03:52,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:52,803 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:03:52,803 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:52,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:52,804 INFO L82 PathProgramCache]: Analyzing trace with hash 191117965, now seen corresponding path program 1 times [2018-11-23 08:03:52,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:52,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:52,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:52,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:03:52,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:52,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:03:52,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:52,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:03:52,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:03:52,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:03:52,973 INFO L87 Difference]: Start difference. First operand 687 states and 928 transitions. Second operand 5 states. [2018-11-23 08:03:53,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:53,040 INFO L93 Difference]: Finished difference Result 1403 states and 1917 transitions. [2018-11-23 08:03:53,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:03:53,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2018-11-23 08:03:53,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:53,044 INFO L225 Difference]: With dead ends: 1403 [2018-11-23 08:03:53,045 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 08:03:53,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:03:53,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 08:03:53,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 695. [2018-11-23 08:03:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2018-11-23 08:03:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 936 transitions. [2018-11-23 08:03:53,073 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 936 transitions. Word has length 179 [2018-11-23 08:03:53,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:53,074 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 936 transitions. [2018-11-23 08:03:53,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:03:53,074 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 936 transitions. [2018-11-23 08:03:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 08:03:53,078 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:53,078 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:03:53,079 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:53,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:53,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1591385252, now seen corresponding path program 1 times [2018-11-23 08:03:53,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:53,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:53,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-23 08:03:53,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:53,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:03:53,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:53,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:03:53,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:03:53,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:03:53,273 INFO L87 Difference]: Start difference. First operand 695 states and 936 transitions. Second operand 4 states. [2018-11-23 08:03:53,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:53,309 INFO L93 Difference]: Finished difference Result 1409 states and 1942 transitions. [2018-11-23 08:03:53,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:03:53,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 237 [2018-11-23 08:03:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:53,312 INFO L225 Difference]: With dead ends: 1409 [2018-11-23 08:03:53,312 INFO L226 Difference]: Without dead ends: 737 [2018-11-23 08:03:53,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:03:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2018-11-23 08:03:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 699. [2018-11-23 08:03:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-11-23 08:03:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 940 transitions. [2018-11-23 08:03:53,330 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 940 transitions. Word has length 237 [2018-11-23 08:03:53,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:53,330 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 940 transitions. [2018-11-23 08:03:53,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:03:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 940 transitions. [2018-11-23 08:03:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 08:03:53,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:53,333 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:03:53,333 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:53,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:53,333 INFO L82 PathProgramCache]: Analyzing trace with hash 2122255432, now seen corresponding path program 1 times [2018-11-23 08:03:53,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:53,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:53,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,335 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 08:03:53,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:53,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:03:53,540 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:53,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:03:53,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:03:53,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:53,541 INFO L87 Difference]: Start difference. First operand 699 states and 940 transitions. Second operand 3 states. [2018-11-23 08:03:53,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:53,597 INFO L93 Difference]: Finished difference Result 1385 states and 1900 transitions. [2018-11-23 08:03:53,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:03:53,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2018-11-23 08:03:53,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:53,599 INFO L225 Difference]: With dead ends: 1385 [2018-11-23 08:03:53,600 INFO L226 Difference]: Without dead ends: 709 [2018-11-23 08:03:53,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:03:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-11-23 08:03:53,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 703. [2018-11-23 08:03:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2018-11-23 08:03:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 944 transitions. [2018-11-23 08:03:53,616 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 944 transitions. Word has length 245 [2018-11-23 08:03:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:53,616 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 944 transitions. [2018-11-23 08:03:53,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:03:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 944 transitions. [2018-11-23 08:03:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 08:03:53,619 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:53,619 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:03:53,619 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:53,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:53,620 INFO L82 PathProgramCache]: Analyzing trace with hash 798940140, now seen corresponding path program 1 times [2018-11-23 08:03:53,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:53,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:53,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,621 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-23 08:03:53,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:53,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:03:53,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:53,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:03:53,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:03:53,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:03:53,773 INFO L87 Difference]: Start difference. First operand 703 states and 944 transitions. Second operand 7 states. [2018-11-23 08:03:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:53,849 INFO L93 Difference]: Finished difference Result 1423 states and 1956 transitions. [2018-11-23 08:03:53,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:03:53,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2018-11-23 08:03:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:53,852 INFO L225 Difference]: With dead ends: 1423 [2018-11-23 08:03:53,852 INFO L226 Difference]: Without dead ends: 743 [2018-11-23 08:03:53,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:03:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-11-23 08:03:53,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 727. [2018-11-23 08:03:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2018-11-23 08:03:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 976 transitions. [2018-11-23 08:03:53,872 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 976 transitions. Word has length 251 [2018-11-23 08:03:53,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:53,872 INFO L480 AbstractCegarLoop]: Abstraction has 727 states and 976 transitions. [2018-11-23 08:03:53,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:03:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 976 transitions. [2018-11-23 08:03:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 08:03:53,875 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:53,875 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:03:53,876 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:53,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:53,876 INFO L82 PathProgramCache]: Analyzing trace with hash 607743876, now seen corresponding path program 1 times [2018-11-23 08:03:53,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:53,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:53,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:53,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-23 08:03:54,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:03:54,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:03:54,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:03:54,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:03:54,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:03:54,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:03:54,043 INFO L87 Difference]: Start difference. First operand 727 states and 976 transitions. Second operand 7 states. [2018-11-23 08:03:54,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:54,096 INFO L93 Difference]: Finished difference Result 1441 states and 1957 transitions. [2018-11-23 08:03:54,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:03:54,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2018-11-23 08:03:54,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:54,100 INFO L225 Difference]: With dead ends: 1441 [2018-11-23 08:03:54,100 INFO L226 Difference]: Without dead ends: 737 [2018-11-23 08:03:54,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:03:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2018-11-23 08:03:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 731. [2018-11-23 08:03:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2018-11-23 08:03:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 980 transitions. [2018-11-23 08:03:54,119 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 980 transitions. Word has length 249 [2018-11-23 08:03:54,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:54,120 INFO L480 AbstractCegarLoop]: Abstraction has 731 states and 980 transitions. [2018-11-23 08:03:54,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:03:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 980 transitions. [2018-11-23 08:03:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 08:03:54,122 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:54,123 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:03:54,123 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:54,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:54,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1792889534, now seen corresponding path program 1 times [2018-11-23 08:03:54,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:03:54,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:54,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:54,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:54,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:03:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-23 08:03:54,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:03:54,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:03:54,306 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-11-23 08:03:54,307 INFO L202 CegarAbsIntRunner]: [56], [57], [58], [59], [60], [63], [66], [68], [71], [111], [113], [114], [115], [120], [122], [124], [126], [128], [130], [133], [136], [157], [170], [183], [194], [197], [200], [227], [230], [233], [245], [248], [251], [253], [256], [264], [296], [297], [373], [374], [381], [383], [387], [391], [394], [396], [401], [405], [408], [412], [414], [419], [421], [441], [443], [444], [445], [450], [453], [458], [460], [463], [478], [508], [509], [516], [517], [574], [579], [583], [585], [588], [606], [607], [608], [609], [611], [613], [614], [615], [636], [638], [641], [643], [647], [713], [724], [729], [759], [760], [761], [764], [769], [771], [774], [777], [812], [813], [816], [817], [826], [828], [830], [833], [837], [841], [843], [844], [849], [850], [851], [852], [853], [856], [860], [861], [863], [866], [874], [876], [881], [888], [891], [931], [933], [935], [936], [949], [950], [955], [956], [957], [958], [959], [960], [961], [962], [971], [977], [978], [993], [994], [995], [996], [997], [998], [999], [1000], [1003], [1004], [1005], [1006], [1007], [1008], [1009], [1010], [1011], [1012], [1027], [1029], [1030], [1037], [1038], [1039], [1040], [1045], [1046], [1047], [1048], [1067], [1068], [1075], [1079], [1080], [1081], [1082], [1083], [1084], [1095], [1096], [1101], [1102], [1103], [1104], [1107], [1108], [1109], [1113], [1114], [1115], [1117], [1118], [1119], [1120] [2018-11-23 08:03:54,345 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:03:54,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:03:55,373 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:03:55,374 INFO L272 AbstractInterpreter]: Visited 116 different actions 167 times. Merged at 9 different actions 18 times. Never widened. Performed 10491 root evaluator evaluations with a maximum evaluation depth of 9. Performed 10491 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 2 fixpoints after 2 different actions. Largest state had 282 variables. [2018-11-23 08:03:55,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:55,395 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:03:56,143 INFO L227 lantSequenceWeakener]: Weakened 99 states. On average, predicates are now at 92.03% of their original sizes. [2018-11-23 08:03:56,143 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:04:00,975 INFO L415 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2018-11-23 08:04:00,975 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:04:00,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:04:00,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [67] imperfect sequences [5] total 70 [2018-11-23 08:04:00,976 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:04:00,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-11-23 08:04:00,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-11-23 08:04:00,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=4087, Unknown=0, NotChecked=0, Total=4422 [2018-11-23 08:04:00,978 INFO L87 Difference]: Start difference. First operand 731 states and 980 transitions. Second operand 67 states. [2018-11-23 08:04:09,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:04:09,390 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:249) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 08:04:09,393 INFO L168 Benchmark]: Toolchain (without parser) took 21336.42 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 948.4 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 462.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:09,394 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:04:09,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:09,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:09,395 INFO L168 Benchmark]: Boogie Preprocessor took 80.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:09,395 INFO L168 Benchmark]: RCFGBuilder took 1952.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.6 MB). Peak memory consumption was 279.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:09,396 INFO L168 Benchmark]: TraceAbstraction took 18431.28 ms. Allocated memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -897.3 MB). Peak memory consumption was 378.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:09,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 826.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1952.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.6 MB). Peak memory consumption was 279.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18431.28 ms. Allocated memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -897.3 MB). Peak memory consumption was 378.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 08:04:10,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:04:10,890 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:04:10,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:04:10,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:04:10,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:04:10,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:04:10,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:04:10,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:04:10,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:04:10,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:04:10,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:04:10,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:04:10,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:04:10,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:04:10,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:04:10,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:04:10,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:04:10,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:04:10,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:04:10,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:04:10,912 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:04:10,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:04:10,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:04:10,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:04:10,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:04:10,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:04:10,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:04:10,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:04:10,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:04:10,917 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:04:10,918 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:04:10,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:04:10,919 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:04:10,920 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:04:10,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:04:10,921 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 08:04:10,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:04:10,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:04:10,932 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:04:10,932 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:04:10,932 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:04:10,932 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:04:10,932 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:04:10,932 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:04:10,933 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:04:10,933 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:04:10,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:04:10,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:04:10,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:04:10,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:04:10,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:04:10,934 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:04:10,934 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:04:10,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:04:10,936 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:04:10,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:04:10,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:04:10,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:04:10,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:04:10,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:04:10,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:04:10,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:04:10,937 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan 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(__VERIFIER_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 -> 6f0485a3455261f9200e205dff2390256607a22c [2018-11-23 08:04:10,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:04:10,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:04:10,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:04:10,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:04:10,980 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:04:10,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:04:11,014 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/65ebf9d5f/776f2a6ba7c4494ba5384f7d062ca3a1/FLAGf6e95d733 [2018-11-23 08:04:11,543 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:04:11,543 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:04:11,560 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/65ebf9d5f/776f2a6ba7c4494ba5384f7d062ca3a1/FLAGf6e95d733 [2018-11-23 08:04:12,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/data/65ebf9d5f/776f2a6ba7c4494ba5384f7d062ca3a1 [2018-11-23 08:04:12,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:04:12,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:04:12,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:04:12,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:04:12,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:04:12,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8aa2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12, skipping insertion in model container [2018-11-23 08:04:12,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:04:12,082 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:04:12,359 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3063] [2018-11-23 08:04:12,359 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3064-3065] [2018-11-23 08:04:12,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:04:12,782 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:04:12,824 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3063] [2018-11-23 08:04:12,824 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3064-3065] [2018-11-23 08:04:12,879 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:04:12,936 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:04:12,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12 WrapperNode [2018-11-23 08:04:12,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:04:12,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:04:12,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:04:12,937 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:04:12,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:04:12,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:04:12,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:04:12,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:04:12,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:12,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:13,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:13,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:13,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... [2018-11-23 08:04:13,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:04:13,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:04:13,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:04:13,067 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:04:13,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:04:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2018-11-23 08:04:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2018-11-23 08:04:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2018-11-23 08:04:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2018-11-23 08:04:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2018-11-23 08:04:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 08:04:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2018-11-23 08:04:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2018-11-23 08:04:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2018-11-23 08:04:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 08:04:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 08:04:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 08:04:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 08:04:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 08:04:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2018-11-23 08:04:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2018-11-23 08:04:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2018-11-23 08:04:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2018-11-23 08:04:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 08:04:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 08:04:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure pg_read [2018-11-23 08:04:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_read [2018-11-23 08:04:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 08:04:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 08:04:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 08:04:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2018-11-23 08:04:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2018-11-23 08:04:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2018-11-23 08:04:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2018-11-23 08:04:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2018-11-23 08:04:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 08:04:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 08:04:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 08:04:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2018-11-23 08:04:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2018-11-23 08:04:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 08:04:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 08:04:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-23 08:04:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 08:04:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 08:04:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 08:04:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 08:04:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 08:04:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 08:04:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_units [2018-11-23 08:04:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_units [2018-11-23 08:04:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:04:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:04:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2018-11-23 08:04:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 08:04:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 08:04:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure pg_open [2018-11-23 08:04:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_open [2018-11-23 08:04:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_19 [2018-11-23 08:04:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_19 [2018-11-23 08:04:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 08:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 08:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_exit [2018-11-23 08:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_exit [2018-11-23 08:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_release [2018-11-23 08:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_release [2018-11-23 08:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_detect [2018-11-23 08:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_detect [2018-11-23 08:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 08:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 08:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2018-11-23 08:04:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2018-11-23 08:04:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 08:04:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2018-11-23 08:04:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2018-11-23 08:04:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 08:04:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 08:04:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2018-11-23 08:04:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2018-11-23 08:04:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init [2018-11-23 08:04:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init [2018-11-23 08:04:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-23 08:04:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-23 08:04:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2018-11-23 08:04:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2018-11-23 08:04:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2018-11-23 08:04:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2018-11-23 08:04:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 08:04:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2018-11-23 08:04:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2018-11-23 08:04:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2018-11-23 08:04:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 08:04:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 08:04:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 08:04:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 08:04:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:04:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:04:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2018-11-23 08:04:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2018-11-23 08:04:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 08:04:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 08:04:18,089 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:04:18,090 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 08:04:18,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:18 BoogieIcfgContainer [2018-11-23 08:04:18,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:04:18,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:04:18,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:04:18,093 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:04:18,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:04:12" (1/3) ... [2018-11-23 08:04:18,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef26cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:04:18, skipping insertion in model container [2018-11-23 08:04:18,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:12" (2/3) ... [2018-11-23 08:04:18,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef26cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:04:18, skipping insertion in model container [2018-11-23 08:04:18,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:18" (3/3) ... [2018-11-23 08:04:18,095 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:04:18,101 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:04:18,107 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:04:18,119 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:04:18,140 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:04:18,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:04:18,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:04:18,141 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:04:18,141 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:04:18,141 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:04:18,141 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:04:18,141 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:04:18,142 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:04:18,160 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states. [2018-11-23 08:04:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 08:04:18,173 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:04:18,174 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:04:18,176 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:04:18,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:04:18,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1327754006, now seen corresponding path program 1 times [2018-11-23 08:04:18,184 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:04:18,185 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:04:18,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:04:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:04:18,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:04:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:04:18,648 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:04:18,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:04:18,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:04:18,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:04:18,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:04:18,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:04:18,665 INFO L87 Difference]: Start difference. First operand 459 states. Second operand 3 states. [2018-11-23 08:04:19,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:04:19,104 INFO L93 Difference]: Finished difference Result 1142 states and 1547 transitions. [2018-11-23 08:04:19,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:04:19,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-11-23 08:04:19,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:04:19,121 INFO L225 Difference]: With dead ends: 1142 [2018-11-23 08:04:19,121 INFO L226 Difference]: Without dead ends: 652 [2018-11-23 08:04:19,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:04:19,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-23 08:04:19,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 645. [2018-11-23 08:04:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2018-11-23 08:04:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 872 transitions. [2018-11-23 08:04:19,200 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 872 transitions. Word has length 96 [2018-11-23 08:04:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:04:19,200 INFO L480 AbstractCegarLoop]: Abstraction has 645 states and 872 transitions. [2018-11-23 08:04:19,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:04:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 872 transitions. [2018-11-23 08:04:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:04:19,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:04:19,207 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:04:19,207 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:04:19,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:04:19,207 INFO L82 PathProgramCache]: Analyzing trace with hash -340167997, now seen corresponding path program 1 times [2018-11-23 08:04:19,209 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:04:19,209 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:04:19,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:04:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:04:19,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:04:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 08:04:19,653 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:04:19,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:04:19,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:04:19,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:04:19,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:04:19,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:04:19,657 INFO L87 Difference]: Start difference. First operand 645 states and 872 transitions. Second operand 3 states. [2018-11-23 08:04:19,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:04:19,701 INFO L93 Difference]: Finished difference Result 1268 states and 1720 transitions. [2018-11-23 08:04:19,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:04:19,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-11-23 08:04:19,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:04:19,706 INFO L225 Difference]: With dead ends: 1268 [2018-11-23 08:04:19,706 INFO L226 Difference]: Without dead ends: 646 [2018-11-23 08:04:19,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:04:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-11-23 08:04:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-11-23 08:04:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-11-23 08:04:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 873 transitions. [2018-11-23 08:04:19,742 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 873 transitions. Word has length 155 [2018-11-23 08:04:19,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:04:19,742 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 873 transitions. [2018-11-23 08:04:19,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:04:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 873 transitions. [2018-11-23 08:04:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:04:19,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:04:19,773 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2018-11-23 08:04:19,773 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:04:19,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:04:19,774 INFO L82 PathProgramCache]: Analyzing trace with hash -821248255, now seen corresponding path program 1 times [2018-11-23 08:04:19,775 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:04:19,775 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:04:19,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:04:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:04:20,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:04:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 08:04:20,214 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (4)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 08:04:20,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:04:20,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:04:20,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:04:20,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:04:20,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:04:20,217 INFO L87 Difference]: Start difference. First operand 646 states and 873 transitions. Second operand 3 states. [2018-11-23 08:04:20,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:04:20,236 INFO L93 Difference]: Finished difference Result 646 states and 873 transitions. [2018-11-23 08:04:20,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:04:20,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-11-23 08:04:20,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:04:20,238 INFO L225 Difference]: With dead ends: 646 [2018-11-23 08:04:20,238 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:04:20,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:04:20,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:04:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:04:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:04:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:04:20,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-23 08:04:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:04:20,241 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:04:20,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:04:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:04:20,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:04:20,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:04:20,918 INFO L448 ceAbstractionStarter]: For program point L3393-1(line 3393) no Hoare annotation was computed. [2018-11-23 08:04:20,918 INFO L448 ceAbstractionStarter]: For program point L3394-2(lines 3390 3399) no Hoare annotation was computed. [2018-11-23 08:04:20,918 INFO L451 ceAbstractionStarter]: At program point L3393(line 3393) the Hoare annotation is: true [2018-11-23 08:04:20,918 INFO L448 ceAbstractionStarter]: For program point L3390(lines 3390 3399) no Hoare annotation was computed. [2018-11-23 08:04:20,918 INFO L448 ceAbstractionStarter]: For program point L3389-1(line 3389) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L451 ceAbstractionStarter]: At program point L3389(line 3389) the Hoare annotation is: true [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point copy_from_userFINAL(lines 3378 3402) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L451 ceAbstractionStarter]: At program point copy_from_userENTRY(lines 3378 3402) the Hoare annotation is: true [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point L3394(lines 3394 3398) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point copy_from_userEXIT(lines 3378 3402) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point L4317-2(lines 4317 4321) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point L4317(lines 4317 4321) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L444 ceAbstractionStarter]: At program point L4307(lines 4294 4331) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point pg_exitEXIT(lines 4288 4332) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L444 ceAbstractionStarter]: At program point L4305(lines 4294 4331) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point L4299(lines 4299 4303) no Hoare annotation was computed. [2018-11-23 08:04:20,919 INFO L444 ceAbstractionStarter]: At program point pg_exitENTRY(lines 4288 4332) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,919 INFO L448 ceAbstractionStarter]: For program point L4299-2(lines 4299 4303) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point L4312-1(line 4312) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L444 ceAbstractionStarter]: At program point L4312(line 4312) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point pg_exitFINAL(lines 4288 4332) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L444 ceAbstractionStarter]: At program point L4323(lines 4294 4331) the Hoare annotation is: (= ~ldv_state_variable_1~0 (_ bv0 32)) [2018-11-23 08:04:20,920 INFO L444 ceAbstractionStarter]: At program point L4325(lines 4294 4331) the Hoare annotation is: (= ~ldv_state_variable_1~0 (_ bv0 32)) [2018-11-23 08:04:20,920 INFO L451 ceAbstractionStarter]: At program point pg_releaseENTRY(lines 4029 4040) the Hoare annotation is: true [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point pg_releaseEXIT(lines 4029 4040) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point pg_releaseFINAL(lines 4029 4040) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point L4037-1(line 4037) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L451 ceAbstractionStarter]: At program point L4037(line 4037) the Hoare annotation is: true [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point write_regFINAL(lines 3507 3515) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L451 ceAbstractionStarter]: At program point write_regENTRY(lines 3507 3515) the Hoare annotation is: true [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point write_regEXIT(lines 3507 3515) no Hoare annotation was computed. [2018-11-23 08:04:20,920 INFO L448 ceAbstractionStarter]: For program point register_chrdevFINAL(lines 3343 3352) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L451 ceAbstractionStarter]: At program point register_chrdevENTRY(lines 3343 3352) the Hoare annotation is: true [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point register_chrdevEXIT(lines 3343 3352) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point pg_sleepEXIT(lines 3524 3532) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L451 ceAbstractionStarter]: At program point pg_sleepENTRY(lines 3524 3532) the Hoare annotation is: true [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point pg_sleepFINAL(lines 3524 3532) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L451 ceAbstractionStarter]: At program point L3958(lines 3935 3968) the Hoare annotation is: true [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point L3925-1(line 3925) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L451 ceAbstractionStarter]: At program point pg_detectENTRY(lines 3906 3977) the Hoare annotation is: true [2018-11-23 08:04:20,921 INFO L451 ceAbstractionStarter]: At program point L3925(line 3925) the Hoare annotation is: true [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point L3921-1(lines 3917 3976) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point L3921(lines 3921 3968) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L451 ceAbstractionStarter]: At program point L3948(line 3948) the Hoare annotation is: true [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point L3948-1(line 3948) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point L3940(lines 3940 3944) no Hoare annotation was computed. [2018-11-23 08:04:20,921 INFO L448 ceAbstractionStarter]: For program point pg_detectFINAL(lines 3906 3977) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point pg_detectEXIT(lines 3906 3977) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L451 ceAbstractionStarter]: At program point L3963(lines 3935 3968) the Hoare annotation is: true [2018-11-23 08:04:20,922 INFO L451 ceAbstractionStarter]: At program point L3961(lines 3935 3968) the Hoare annotation is: true [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L3926(lines 3926 3931) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L3924(lines 3924 3934) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L3949(lines 3949 3954) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L3947(lines 3947 3957) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point ldv_file_operations_1EXIT(lines 4337 4349) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L451 ceAbstractionStarter]: At program point L4343(line 4343) the Hoare annotation is: true [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L4343-1(line 4343) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L451 ceAbstractionStarter]: At program point L4345(line 4345) the Hoare annotation is: true [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L4345-1(line 4345) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L451 ceAbstractionStarter]: At program point ldv_file_operations_1ENTRY(lines 4337 4349) the Hoare annotation is: true [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point ldv_file_operations_1FINAL(lines 4337 4349) no Hoare annotation was computed. [2018-11-23 08:04:20,922 INFO L448 ceAbstractionStarter]: For program point L3875-2(lines 3875 3902) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point pg_probeEXIT(lines 3867 3905) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3896(lines 3896 3901) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3888(lines 3888 3892) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3880(lines 3880 3885) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point pg_probeFINAL(lines 3867 3905) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L451 ceAbstractionStarter]: At program point pg_probeENTRY(lines 3867 3905) the Hoare annotation is: true [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3897-1(line 3897) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L451 ceAbstractionStarter]: At program point L3897(line 3897) the Hoare annotation is: true [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3895-1(line 3895) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L451 ceAbstractionStarter]: At program point L3895(line 3895) the Hoare annotation is: true [2018-11-23 08:04:20,923 INFO L451 ceAbstractionStarter]: At program point L3889(lines 3875 3894) the Hoare annotation is: true [2018-11-23 08:04:20,923 INFO L451 ceAbstractionStarter]: At program point L3887(lines 3875 3894) the Hoare annotation is: true [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3881-1(line 3881) no Hoare annotation was computed. [2018-11-23 08:04:20,923 INFO L451 ceAbstractionStarter]: At program point L3881(line 3881) the Hoare annotation is: true [2018-11-23 08:04:20,923 INFO L448 ceAbstractionStarter]: For program point L3879(line 3879) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point L3875(lines 3875 3902) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point status_regEXIT(lines 3489 3497) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L451 ceAbstractionStarter]: At program point status_regENTRY(lines 3489 3497) the Hoare annotation is: true [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point status_regFINAL(lines 3489 3497) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L451 ceAbstractionStarter]: At program point __kmallocENTRY(lines 3188 3191) the Hoare annotation is: true [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point __kmallocFINAL(lines 3188 3191) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L451 ceAbstractionStarter]: At program point L3190(line 3190) the Hoare annotation is: true [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point __kmallocEXIT(lines 3188 3191) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point L3190-1(line 3190) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L444 ceAbstractionStarter]: At program point L4379(line 4379) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point L4379-1(line 4379) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 4350 4508) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point L4396(line 4396) no Hoare annotation was computed. [2018-11-23 08:04:20,924 INFO L448 ceAbstractionStarter]: For program point L4463(lines 4463 4493) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4397(lines 4397 4458) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4414(line 4414) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4439(line 4439) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L444 ceAbstractionStarter]: At program point L4373(line 4373) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4373-1(line 4373) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4431(line 4431) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4464(line 4464) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 4350 4508) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4423(line 4423) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4415(lines 4415 4421) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 4350 4508) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4473(line 4473) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4440(lines 4440 4450) no Hoare annotation was computed. [2018-11-23 08:04:20,925 INFO L448 ceAbstractionStarter]: For program point L4399(lines 4399 4454) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4465(lines 4465 4471) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4432(lines 4432 4437) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4424(lines 4424 4429) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4416-1(line 4416) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L451 ceAbstractionStarter]: At program point L4416(line 4416) the Hoare annotation is: true [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4474(lines 4474 4489) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4408-1(line 4408) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L451 ceAbstractionStarter]: At program point L4441(line 4441) the Hoare annotation is: true [2018-11-23 08:04:20,926 INFO L451 ceAbstractionStarter]: At program point L4408(line 4408) the Hoare annotation is: true [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4441-1(line 4441) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4499(line 4499) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L451 ceAbstractionStarter]: At program point L4466(line 4466) the Hoare annotation is: true [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4466-1(line 4466) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4400(line 4400) no Hoare annotation was computed. [2018-11-23 08:04:20,926 INFO L448 ceAbstractionStarter]: For program point L4491(line 4491) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L451 ceAbstractionStarter]: At program point L4425(line 4425) the Hoare annotation is: true [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4425-1(line 4425) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L451 ceAbstractionStarter]: At program point L4483(lines 4372 4507) the Hoare annotation is: true [2018-11-23 08:04:20,927 INFO L451 ceAbstractionStarter]: At program point L4475(line 4475) the Hoare annotation is: true [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4442(lines 4442 4447) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4475-1(line 4475) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L451 ceAbstractionStarter]: At program point L4500(line 4500) the Hoare annotation is: true [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4401-2(lines 4399 4454) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4401(lines 4401 4406) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L451 ceAbstractionStarter]: At program point L4492(line 4492) the Hoare annotation is: true [2018-11-23 08:04:20,927 INFO L444 ceAbstractionStarter]: At program point L4385(line 4385) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4385-1(line 4385) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4476-2(lines 4474 4487) no Hoare annotation was computed. [2018-11-23 08:04:20,927 INFO L448 ceAbstractionStarter]: For program point L4476(lines 4476 4480) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L451 ceAbstractionStarter]: At program point L4402(line 4402) the Hoare annotation is: true [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L4402-1(line 4402) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L4460(line 4460) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L4452(line 4452) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L451 ceAbstractionStarter]: At program point L4502(lines 4372 4507) the Hoare annotation is: true [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L4395(lines 4395 4501) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L4461(lines 4461 4497) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L444 ceAbstractionStarter]: At program point L4387(line 4387) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L4387-1(line 4387) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L451 ceAbstractionStarter]: At program point L4453(line 4453) the Hoare annotation is: true [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L3677(line 3677) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L3677-2(line 3677) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L3671-1(lines 3655 3694) no Hoare annotation was computed. [2018-11-23 08:04:20,928 INFO L448 ceAbstractionStarter]: For program point L3661-1(line 3661) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point pg_completionFINAL(lines 3644 3695) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L451 ceAbstractionStarter]: At program point L3661(line 3661) the Hoare annotation is: true [2018-11-23 08:04:20,929 INFO L451 ceAbstractionStarter]: At program point L3688(lines 3655 3694) the Hoare annotation is: true [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3686(line 3686) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L451 ceAbstractionStarter]: At program point L3684(line 3684) the Hoare annotation is: true [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3684-1(line 3684) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3676-1(lines 3676 3681) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3666(lines 3666 3670) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L451 ceAbstractionStarter]: At program point L3664(line 3664) the Hoare annotation is: true [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3666-2(lines 3655 3694) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point pg_completionEXIT(lines 3644 3695) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3664-1(line 3664) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L451 ceAbstractionStarter]: At program point pg_completionENTRY(lines 3644 3695) the Hoare annotation is: true [2018-11-23 08:04:20,929 INFO L448 ceAbstractionStarter]: For program point L3660(line 3660) no Hoare annotation was computed. [2018-11-23 08:04:20,929 INFO L451 ceAbstractionStarter]: At program point L3656(line 3656) the Hoare annotation is: true [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3656-1(line 3656) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3687(lines 3687 3691) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L451 ceAbstractionStarter]: At program point L3685(lines 3655 3694) the Hoare annotation is: true [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point DRIVEFINAL(lines 3516 3523) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point DRIVEEXIT(lines 3516 3523) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L451 ceAbstractionStarter]: At program point DRIVEENTRY(lines 3516 3523) the Hoare annotation is: true [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point copy_to_userEXIT(lines 3403 3427) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L451 ceAbstractionStarter]: At program point copy_to_userENTRY(lines 3403 3427) the Hoare annotation is: true [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point copy_to_userFINAL(lines 3403 3427) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L451 ceAbstractionStarter]: At program point L3418(line 3418) the Hoare annotation is: true [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3419(lines 3419 3423) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3418-1(line 3418) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3419-2(lines 3415 3424) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L451 ceAbstractionStarter]: At program point L3414(line 3414) the Hoare annotation is: true [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3415(lines 3415 3424) no Hoare annotation was computed. [2018-11-23 08:04:20,930 INFO L448 ceAbstractionStarter]: For program point L3414-1(line 3414) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L451 ceAbstractionStarter]: At program point L3553-1(lines 3543 3584) the Hoare annotation is: true [2018-11-23 08:04:20,931 INFO L451 ceAbstractionStarter]: At program point L3553(line 3553) the Hoare annotation is: true [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point pg_waitFINAL(lines 3533 3585) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L451 ceAbstractionStarter]: At program point L3566(line 3566) the Hoare annotation is: true [2018-11-23 08:04:20,931 INFO L451 ceAbstractionStarter]: At program point L3564(line 3564) the Hoare annotation is: true [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3566-1(line 3566) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3564-1(line 3564) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L451 ceAbstractionStarter]: At program point L3558(lines 3543 3584) the Hoare annotation is: true [2018-11-23 08:04:20,931 INFO L451 ceAbstractionStarter]: At program point pg_waitENTRY(lines 3533 3585) the Hoare annotation is: true [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3556(line 3556) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point pg_waitEXIT(lines 3533 3585) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3550(lines 3550 3554) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3573-1(lines 3573 3577) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3569(line 3569) no Hoare annotation was computed. [2018-11-23 08:04:20,931 INFO L448 ceAbstractionStarter]: For program point L3567(lines 3567 3572) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L3569-2(line 3569) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L3565-1(line 3565) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L451 ceAbstractionStarter]: At program point L3565(line 3565) the Hoare annotation is: true [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L3567-2(lines 3563 3580) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L3563(lines 3563 3582) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L3557(lines 3557 3561) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L4065(lines 4065 4069) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L4086(lines 4086 4090) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point pg_writeEXIT(lines 4041 4129) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L4070(lines 4070 4074) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point pg_writeFINAL(lines 4041 4129) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L4091-1(line 4091) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L451 ceAbstractionStarter]: At program point L4091(line 4091) the Hoare annotation is: true [2018-11-23 08:04:20,932 INFO L451 ceAbstractionStarter]: At program point L4120(lines 4120 4121) the Hoare annotation is: true [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L4054(lines 4054 4058) no Hoare annotation was computed. [2018-11-23 08:04:20,932 INFO L448 ceAbstractionStarter]: For program point L4120-1(lines 4120 4121) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L451 ceAbstractionStarter]: At program point pg_writeENTRY(lines 4041 4129) the Hoare annotation is: true [2018-11-23 08:04:20,933 INFO L451 ceAbstractionStarter]: At program point L4108(line 4108) the Hoare annotation is: true [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4075(line 4075) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4108-1(line 4108) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4075-2(lines 4075 4079) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4092(lines 4092 4096) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4059(lines 4059 4063) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4080(lines 4080 4084) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4109(lines 4109 4118) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4101(lines 4101 4105) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L451 ceAbstractionStarter]: At program point L4064(line 4064) the Hoare annotation is: true [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4064-1(line 4064) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4122(lines 4122 4126) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4085(lines 4085 4100) no Hoare annotation was computed. [2018-11-23 08:04:20,933 INFO L448 ceAbstractionStarter]: For program point L4110(lines 4110 4114) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3282) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 3276 3284) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 3276 3284) the Hoare annotation is: true [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 3276 3284) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L451 ceAbstractionStarter]: At program point kmallocENTRY(lines 4509 4518) the Hoare annotation is: true [2018-11-23 08:04:20,934 INFO L451 ceAbstractionStarter]: At program point L4514-1(line 4514) the Hoare annotation is: true [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point kmallocFINAL(lines 4509 4518) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point L4515(line 4515) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point kmallocEXIT(lines 4509 4518) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L451 ceAbstractionStarter]: At program point L4514(line 4514) the Hoare annotation is: true [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point unregister_chrdevFINAL(lines 3355 3363) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point unregister_chrdevEXIT(lines 3355 3363) no Hoare annotation was computed. [2018-11-23 08:04:20,934 INFO L451 ceAbstractionStarter]: At program point unregister_chrdevENTRY(lines 3355 3363) the Hoare annotation is: true [2018-11-23 08:04:20,934 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 3285 3293) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 3285 3293) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 3285 3293) the Hoare annotation is: true [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point L3613-1(line 3613) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point L3613(line 3613) the Hoare annotation is: true [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point pg_commandEXIT(lines 3586 3643) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point L3607(line 3607) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point L3605(line 3605) the Hoare annotation is: true [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point L3630(lines 3621 3635) the Hoare annotation is: true [2018-11-23 08:04:20,935 INFO L448 ceAbstractionStarter]: For program point L3599(lines 3599 3603) no Hoare annotation was computed. [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point L3597-1(line 3597) the Hoare annotation is: true [2018-11-23 08:04:20,935 INFO L451 ceAbstractionStarter]: At program point L3628(lines 3621 3635) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point L3597(line 3597) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point L3616(lines 3594 3642) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point L3614(lines 3614 3619) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point pg_commandFINAL(lines 3586 3643) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point L3608(lines 3608 3612) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point L3606(line 3606) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point L3604(line 3604) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point L3604-1(line 3604) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point L3598(line 3598) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point L3596(line 3596) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L451 ceAbstractionStarter]: At program point pg_commandENTRY(lines 3586 3643) the Hoare annotation is: true [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point L3596-1(line 3596) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point L3621(lines 3621 3637) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point L3621-2(lines 3621 3637) no Hoare annotation was computed. [2018-11-23 08:04:20,936 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectFINAL(lines 3294 3301) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point ldv__builtin_expectENTRY(lines 3294 3301) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectEXIT(lines 3294 3301) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point clear_bitENTRY(lines 3142 3150) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point clear_bitFINAL(lines 3142 3150) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point clear_bitEXIT(lines 3142 3150) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point read_regFINAL(lines 3498 3506) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point read_regEXIT(lines 3498 3506) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point read_regENTRY(lines 3498 3506) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point pg_init_unitsENTRY(lines 3453 3488) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point L3481(lines 3459 3487) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L451 ceAbstractionStarter]: At program point L3479(lines 3459 3487) the Hoare annotation is: true [2018-11-23 08:04:20,937 INFO L448 ceAbstractionStarter]: For program point pg_init_unitsEXIT(lines 3453 3488) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point L3473(lines 3473 3477) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point L3473-2(lines 3473 3477) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point L3467-1(line 3467) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L451 ceAbstractionStarter]: At program point L3467(line 3467) the Hoare annotation is: true [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point pg_init_unitsFINAL(lines 3453 3488) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point ldv_unregister_chrdev_20EXIT(lines 4543 4552) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point L4548-1(line 4548) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L444 ceAbstractionStarter]: At program point ldv_unregister_chrdev_20ENTRY(lines 4543 4552) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,938 INFO L444 ceAbstractionStarter]: At program point L4548(line 4548) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point ldv_unregister_chrdev_20FINAL(lines 4543 4552) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point PTR_ERREXIT(lines 3166 3173) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L451 ceAbstractionStarter]: At program point PTR_ERRENTRY(lines 3166 3173) the Hoare annotation is: true [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point PTR_ERRFINAL(lines 3166 3173) no Hoare annotation was computed. [2018-11-23 08:04:20,938 INFO L448 ceAbstractionStarter]: For program point L3764(lines 3764 3768) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3764-2(lines 3764 3768) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3727-1(line 3727) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3727(line 3727) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3715-1(line 3715) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3715(line 3715) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3744(lines 3708 3775) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3740(line 3740) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3736(lines 3708 3775) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3728(lines 3728 3732) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point pg_resetFINAL(lines 3696 3776) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3757(lines 3750 3770) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3716(line 3716) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3749(line 3749) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3716-1(line 3716) the Hoare annotation is: true [2018-11-23 08:04:20,939 INFO L448 ceAbstractionStarter]: For program point L3749-2(line 3749) no Hoare annotation was computed. [2018-11-23 08:04:20,939 INFO L451 ceAbstractionStarter]: At program point L3729(lines 3708 3775) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point pg_resetENTRY(lines 3696 3776) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point L3750(lines 3750 3772) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point L3750-2(lines 3750 3772) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point L3717(line 3717) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point pg_resetEXIT(lines 3696 3776) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point L3742(lines 3708 3775) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point L3726(lines 3726 3735) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point L3759(lines 3750 3770) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point L3722(lines 3708 3775) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point L3718(line 3718) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point L3199-1(line 3199) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point L3199(line 3199) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point ldv_kmalloc_12EXIT(lines 3194 3202) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point ldv_kmalloc_12ENTRY(lines 3194 3202) the Hoare annotation is: true [2018-11-23 08:04:20,940 INFO L448 ceAbstractionStarter]: For program point ldv_kmalloc_12FINAL(lines 3194 3202) no Hoare annotation was computed. [2018-11-23 08:04:20,940 INFO L451 ceAbstractionStarter]: At program point L4255(line 4255) the Hoare annotation is: true [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4222(lines 4222 4227) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4255-1(line 4255) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point pg_initFINAL(lines 4201 4287) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4214(lines 4214 4219) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L451 ceAbstractionStarter]: At program point L4243(lines 4229 4249) the Hoare annotation is: true [2018-11-23 08:04:20,941 INFO L451 ceAbstractionStarter]: At program point L4276(lines 4213 4286) the Hoare annotation is: true [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4235(lines 4235 4239) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L444 ceAbstractionStarter]: At program point pg_initENTRY(lines 4201 4287) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4235-2(lines 4235 4239) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4256(lines 4256 4262) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4228-1(line 4228) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L451 ceAbstractionStarter]: At program point L4228(line 4228) the Hoare annotation is: true [2018-11-23 08:04:20,941 INFO L451 ceAbstractionStarter]: At program point L4257(line 4257) the Hoare annotation is: true [2018-11-23 08:04:20,941 INFO L448 ceAbstractionStarter]: For program point L4257-1(line 4257) no Hoare annotation was computed. [2018-11-23 08:04:20,941 INFO L444 ceAbstractionStarter]: At program point L4220-1(line 4220) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,941 INFO L444 ceAbstractionStarter]: At program point L4220(line 4220) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (not (= ~ldv_spin~0 (_ bv0 32))) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,942 INFO L451 ceAbstractionStarter]: At program point L4274(lines 4213 4286) the Hoare annotation is: true [2018-11-23 08:04:20,942 INFO L451 ceAbstractionStarter]: At program point L4241(lines 4229 4249) the Hoare annotation is: true [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point pg_initEXIT(lines 4201 4287) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point L4229(lines 4229 4251) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L451 ceAbstractionStarter]: At program point L4283(lines 4213 4286) the Hoare annotation is: true [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point L4221(line 4221) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point L4267(lines 4267 4272) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point L4267-2(lines 4267 4272) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L451 ceAbstractionStarter]: At program point L4259(lines 4213 4286) the Hoare annotation is: true [2018-11-23 08:04:20,942 INFO L451 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 3213 3230) the Hoare annotation is: true [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 3213 3230) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point L3221(lines 3221 3228) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 3213 3230) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L448 ceAbstractionStarter]: For program point iminorEXIT(lines 3332 3339) no Hoare annotation was computed. [2018-11-23 08:04:20,942 INFO L451 ceAbstractionStarter]: At program point iminorENTRY(lines 3332 3339) the Hoare annotation is: true [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point iminorFINAL(lines 3332 3339) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4156(lines 4156 4160) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L451 ceAbstractionStarter]: At program point L4154(line 4154) the Hoare annotation is: true [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4187(lines 4187 4197) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4154-1(line 4154) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4187-2(lines 4187 4197) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4148(lines 4148 4152) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4181-1(line 4181) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L451 ceAbstractionStarter]: At program point L4181(line 4181) the Hoare annotation is: true [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point pg_readFINAL(lines 4130 4200) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4171(lines 4171 4175) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point pg_readEXIT(lines 4130 4200) no Hoare annotation was computed. [2018-11-23 08:04:20,943 INFO L451 ceAbstractionStarter]: At program point pg_readENTRY(lines 4130 4200) the Hoare annotation is: true [2018-11-23 08:04:20,943 INFO L448 ceAbstractionStarter]: For program point L4190(lines 4190 4194) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L451 ceAbstractionStarter]: At program point L4188(lines 4188 4189) the Hoare annotation is: true [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4155(lines 4155 4163) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4188-1(lines 4188 4189) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L451 ceAbstractionStarter]: At program point L4155-2(lines 4155 4163) the Hoare annotation is: true [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4182(lines 4182 4186) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4143(lines 4143 4147) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4168(lines 4168 4178) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4168-1(lines 4168 4178) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L4164(line 4164) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point test_and_set_bitEXIT(lines 3151 3160) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point test_and_set_bitFINAL(lines 3151 3160) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L451 ceAbstractionStarter]: At program point test_and_set_bitENTRY(lines 3151 3160) the Hoare annotation is: true [2018-11-23 08:04:20,944 INFO L451 ceAbstractionStarter]: At program point L3242(line 3242) the Hoare annotation is: true [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L3242-1(line 3242) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 3231 3248) no Hoare annotation was computed. [2018-11-23 08:04:20,944 INFO L448 ceAbstractionStarter]: For program point L3239(lines 3239 3246) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 3231 3248) the Hoare annotation is: true [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 3231 3248) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L451 ceAbstractionStarter]: At program point pg_openENTRY(lines 3978 4028) the Hoare annotation is: true [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point L3999-1(line 3999) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L451 ceAbstractionStarter]: At program point L3999(line 3999) the Hoare annotation is: true [2018-11-23 08:04:20,945 INFO L451 ceAbstractionStarter]: At program point L4024(lines 3987 4027) the Hoare annotation is: true [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point L3993(line 3993) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point pg_openFINAL(lines 3978 4028) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point L3993-2(lines 3993 3998) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L451 ceAbstractionStarter]: At program point L4016(line 4016) the Hoare annotation is: true [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point L4016-1(line 4016) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point L4012(line 4012) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L448 ceAbstractionStarter]: For program point L4006(lines 4006 4011) no Hoare annotation was computed. [2018-11-23 08:04:20,945 INFO L451 ceAbstractionStarter]: At program point L4006-2(lines 4006 4011) the Hoare annotation is: true [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point L4000(lines 4000 4005) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L451 ceAbstractionStarter]: At program point L3988(line 3988) the Hoare annotation is: true [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point L3988-1(line 3988) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point L4015(lines 4015 4022) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point L4013-1(line 4013) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L451 ceAbstractionStarter]: At program point L4013(line 4013) the Hoare annotation is: true [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point L4007-1(line 4007) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L451 ceAbstractionStarter]: At program point L4007(line 4007) the Hoare annotation is: true [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point pg_openEXIT(lines 3978 4028) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,946 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~ldv_spin~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32))) [2018-11-23 08:04:20,946 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point L4560(lines 4560 4564) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point ldv_check_alloc_flagsEXIT(lines 4555 4567) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L451 ceAbstractionStarter]: At program point ldv_check_alloc_flagsENTRY(lines 4555 4567) the Hoare annotation is: true [2018-11-23 08:04:20,947 INFO L444 ceAbstractionStarter]: At program point L4563(line 4563) the Hoare annotation is: (not (= ~ldv_spin~0 (_ bv0 32))) [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point L4563-1(lines 4555 4567) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point L3811-2(lines 3811 3815) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L451 ceAbstractionStarter]: At program point L3806(lines 3786 3818) the Hoare annotation is: true [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point xsFINAL(lines 3777 3819) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L451 ceAbstractionStarter]: At program point L3804(lines 3786 3818) the Hoare annotation is: true [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point xsEXIT(lines 3777 3819) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L451 ceAbstractionStarter]: At program point xsENTRY(lines 3777 3819) the Hoare annotation is: true [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point L3794(lines 3794 3802) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point L3794-2(lines 3794 3802) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point L3811(lines 3811 3815) no Hoare annotation was computed. [2018-11-23 08:04:20,947 INFO L448 ceAbstractionStarter]: For program point pg_identifyEXIT(lines 3820 3866) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point pg_identifyENTRY(lines 3820 3866) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3858(line 3858) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3856(lines 3856 3863) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point L3857-1(line 3857) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point L3857(line 3857) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3856-2(lines 3856 3863) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point L3850(line 3850) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3851(lines 3851 3855) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3850-1(line 3850) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point L3844(line 3844) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point pg_identifyFINAL(lines 3820 3866) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3845(lines 3845 3849) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point ldv_register_chrdev_19ENTRY(lines 4529 4542) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L451 ceAbstractionStarter]: At program point L4539(line 4539) the Hoare annotation is: true [2018-11-23 08:04:20,948 INFO L448 ceAbstractionStarter]: For program point L4539-1(line 4539) no Hoare annotation was computed. [2018-11-23 08:04:20,949 INFO L448 ceAbstractionStarter]: For program point ldv_register_chrdev_19EXIT(lines 4529 4542) no Hoare annotation was computed. [2018-11-23 08:04:20,949 INFO L448 ceAbstractionStarter]: For program point L4536-1(line 4536) no Hoare annotation was computed. [2018-11-23 08:04:20,949 INFO L451 ceAbstractionStarter]: At program point L4536(line 4536) the Hoare annotation is: true [2018-11-23 08:04:20,949 INFO L448 ceAbstractionStarter]: For program point ldv_register_chrdev_19FINAL(lines 4529 4542) no Hoare annotation was computed. [2018-11-23 08:04:20,949 INFO L451 ceAbstractionStarter]: At program point IS_ERRENTRY(lines 3174 3182) the Hoare annotation is: true [2018-11-23 08:04:20,949 INFO L448 ceAbstractionStarter]: For program point L3179-1(line 3179) no Hoare annotation was computed. [2018-11-23 08:04:20,949 INFO L448 ceAbstractionStarter]: For program point IS_ERRFINAL(lines 3174 3182) no Hoare annotation was computed. [2018-11-23 08:04:20,949 INFO L451 ceAbstractionStarter]: At program point L3179(line 3179) the Hoare annotation is: true [2018-11-23 08:04:20,949 INFO L448 ceAbstractionStarter]: For program point IS_ERREXIT(lines 3174 3182) no Hoare annotation was computed. [2018-11-23 08:04:20,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:04:20 BoogieIcfgContainer [2018-11-23 08:04:20,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:04:20,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:04:20,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:04:20,965 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:04:20,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:18" (3/4) ... [2018-11-23 08:04:20,971 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:04:20,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2018-11-23 08:04:20,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_exit [2018-11-23 08:04:20,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_release [2018-11-23 08:04:20,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure register_chrdev [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_detect [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_file_operations_1 [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2018-11-23 08:04:20,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_chrdev [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_init_units [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kmalloc_12 [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_init [2018-11-23 08:04:20,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_read [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_and_set_bit [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_open [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2018-11-23 08:04:20,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2018-11-23 08:04:20,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_register_chrdev_19 [2018-11-23 08:04:20,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2018-11-23 08:04:21,000 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 564 nodes and edges [2018-11-23 08:04:21,001 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 280 nodes and edges [2018-11-23 08:04:21,002 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2018-11-23 08:04:21,003 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 08:04:21,004 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-23 08:04:21,005 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-23 08:04:21,005 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:04:21,006 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:04:21,007 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:04:21,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:04:21,030 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0bv32 == \old(ldv_state_variable_1)) || ldv_state_variable_1 == 0bv32 [2018-11-23 08:04:21,030 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0bv32 == \old(ldv_state_variable_1)) || ldv_state_variable_1 == 0bv32 [2018-11-23 08:04:21,108 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db093048-5295-4dea-ac64-0bda31af458b/bin-2019/utaipan/witness.graphml [2018-11-23 08:04:21,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:04:21,109 INFO L168 Benchmark]: Toolchain (without parser) took 9101.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 944.4 MB in the beginning and 966.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 308.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:21,110 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:04:21,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:21,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:04:21,110 INFO L168 Benchmark]: Boogie Preprocessor took 83.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:21,111 INFO L168 Benchmark]: RCFGBuilder took 5023.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 267.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:21,111 INFO L168 Benchmark]: TraceAbstraction took 2874.15 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 101.2 MB). Free memory was 1.1 GB in the beginning and 995.7 MB in the end (delta: 58.7 MB). Peak memory consumption was 159.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:21,111 INFO L168 Benchmark]: Witness Printer took 143.30 ms. Allocated memory is still 1.4 GB. Free memory was 995.7 MB in the beginning and 966.9 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:04:21,112 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 928.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5023.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 267.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2874.15 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 101.2 MB). Free memory was 1.1 GB in the beginning and 995.7 MB in the end (delta: 58.7 MB). Peak memory consumption was 159.9 MB. Max. memory is 11.5 GB. * Witness Printer took 143.30 ms. Allocated memory is still 1.4 GB. Free memory was 995.7 MB in the beginning and 966.9 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3282]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3987]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4294]: Loop Invariant Derived loop invariant: !(0bv32 == \old(ldv_state_variable_1)) || ldv_state_variable_1 == 0bv32 - InvariantResult [Line: 3750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4294]: Loop Invariant Derived loop invariant: !(0bv32 == \old(ldv_state_variable_1)) || ldv_state_variable_1 == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3459]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3621]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3621]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3459]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3655]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4294]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0bv32 - InvariantResult [Line: 3543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3655]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4294]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0bv32 - InvariantResult [Line: 4229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 461 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 3 OverallIterations, 6 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1877 SDtfs, 791 SDslu, 1144 SDs, 0 SdLazy, 26 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=646occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 166 LocationsWithAnnotation, 1173 PreInvPairs, 1200 NumberOfFragments, 309 HoareAnnotationTreeSize, 1173 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 166 FomulaSimplificationsInter, 2453 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 103535 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5453 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 148/148 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...