./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.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_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 17751f735cce1578eca5ce1433e8e405b7fe654f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 17751f735cce1578eca5ce1433e8e405b7fe654f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:39:48,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:39:48,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:39:48,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:39:48,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:39:48,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:39:48,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:39:48,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:39:48,894 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:39:48,894 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:39:48,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:39:48,895 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:39:48,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:39:48,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:39:48,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:39:48,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:39:48,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:39:48,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:39:48,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:39:48,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:39:48,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:39:48,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:39:48,906 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:39:48,906 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:39:48,906 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:39:48,907 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:39:48,907 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:39:48,908 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:39:48,909 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:39:48,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:39:48,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:39:48,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:39:48,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:39:48,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:39:48,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:39:48,911 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:39:48,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 01:39:48,921 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:39:48,922 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:39:48,922 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:39:48,922 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:39:48,923 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:39:48,923 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:39:48,923 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:39:48,923 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:39:48,923 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:39:48,923 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:39:48,923 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 01:39:48,924 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:39:48,924 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:39:48,924 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:39:48,924 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:39:48,925 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:39:48,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:39:48,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:39:48,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:39:48,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:39:48,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:39:48,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:39:48,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:39:48,927 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:39:48,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:39:48,927 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:39:48,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:39:48,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:39:48,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:39:48,928 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 01:39:48,928 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_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 -> 17751f735cce1578eca5ce1433e8e405b7fe654f [2018-11-23 01:39:48,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:39:48,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:39:48,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:39:48,964 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:39:48,964 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:39:48,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:39:49,010 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/47285946e/aa05cbcca8b1485098b66424ccb993da/FLAG73c2f2bb3 [2018-11-23 01:39:49,614 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:39:49,615 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:39:49,644 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/47285946e/aa05cbcca8b1485098b66424ccb993da/FLAG73c2f2bb3 [2018-11-23 01:39:49,985 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/47285946e/aa05cbcca8b1485098b66424ccb993da [2018-11-23 01:39:49,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:39:49,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:39:49,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:39:49,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:39:49,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:39:49,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:49" (1/1) ... [2018-11-23 01:39:49,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be3ffa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49, skipping insertion in model container [2018-11-23 01:39:49,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:49" (1/1) ... [2018-11-23 01:39:50,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:39:50,078 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:39:51,896 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:39:51,922 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:39:52,154 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:39:52,490 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:39:52,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52 WrapperNode [2018-11-23 01:39:52,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:39:52,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:39:52,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:39:52,492 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:39:52,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:39:52,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:39:52,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:39:52,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:39:52,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... [2018-11-23 01:39:52,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:39:52,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:39:52,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:39:52,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:39:52,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 01:39:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_copy_from_buffer [2018-11-23 01:39:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_copy_from_buffer [2018-11-23 01:39:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2018-11-23 01:39:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2018-11-23 01:39:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure twa_chrdev_ioctl [2018-11-23 01:39:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_chrdev_ioctl [2018-11-23 01:39:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2018-11-23 01:39:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2018-11-23 01:39:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure twa_probe [2018-11-23 01:39:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_probe [2018-11-23 01:39:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2018-11-23 01:39:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2018-11-23 01:39:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_eh_reset [2018-11-23 01:39:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_eh_reset [2018-11-23 01:39:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2018-11-23 01:39:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2018-11-23 01:39:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 01:39:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 01:39:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 01:39:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 01:39:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2018-11-23 01:39:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2018-11-23 01:39:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2018-11-23 01:39:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2018-11-23 01:39:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_biosparam [2018-11-23 01:39:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_biosparam [2018-11-23 01:39:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:39:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:39:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_queue_lck [2018-11-23 01:39:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_queue_lck [2018-11-23 01:39:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 01:39:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 01:39:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_request_id [2018-11-23 01:39:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_request_id [2018-11-23 01:39:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2018-11-23 01:39:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2018-11-23 01:39:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure twa_fill_sense [2018-11-23 01:39:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_fill_sense [2018-11-23 01:39:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2018-11-23 01:39:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_status_gone [2018-11-23 01:39:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_status_gone [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2018-11-23 01:39:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 01:39:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 01:39:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2018-11-23 01:39:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2018-11-23 01:39:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 01:39:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 01:39:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure twa_empty_response_queue_large [2018-11-23 01:39:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_empty_response_queue_large [2018-11-23 01:39:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 01:39:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 01:39:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_22 [2018-11-23 01:39:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_22 [2018-11-23 01:39:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2018-11-23 01:39:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2018-11-23 01:39:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure twa_resume [2018-11-23 01:39:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_resume [2018-11-23 01:39:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2018-11-23 01:39:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2018-11-23 01:39:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2018-11-23 01:39:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2018-11-23 01:39:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2018-11-23 01:39:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure twa_init [2018-11-23 01:39:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_init [2018-11-23 01:39:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:39:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:39:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2018-11-23 01:39:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2018-11-23 01:39:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-23 01:39:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 01:39:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 01:39:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure twa_remove [2018-11-23 01:39:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_remove [2018-11-23 01:39:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_sync_time [2018-11-23 01:39:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_sync_time [2018-11-23 01:39:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 01:39:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 01:39:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_sequence [2018-11-23 01:39:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_sequence [2018-11-23 01:39:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 01:39:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 01:39:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2018-11-23 01:39:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2018-11-23 01:39:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2018-11-23 01:39:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_param [2018-11-23 01:39:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_param [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2018-11-23 01:39:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure twa_load_sgl [2018-11-23 01:39:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_load_sgl [2018-11-23 01:39:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2018-11-23 01:39:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2018-11-23 01:39:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure twa_string_lookup [2018-11-23 01:39:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_string_lookup [2018-11-23 01:39:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 01:39:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 01:39:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2018-11-23 01:39:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2018-11-23 01:39:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2018-11-23 01:39:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 01:39:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 01:39:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2018-11-23 01:39:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure twa_slave_configure [2018-11-23 01:39:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_slave_configure [2018-11-23 01:39:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure __twa_shutdown [2018-11-23 01:39:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __twa_shutdown [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2018-11-23 01:39:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_twa_chrdev_mutex [2018-11-23 01:39:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_twa_chrdev_mutex [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure twa_show_stats [2018-11-23 01:39:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_show_stats [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2018-11-23 01:39:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure twa_shutdown [2018-11-23 01:39:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_shutdown [2018-11-23 01:39:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure twa_post_command_packet [2018-11-23 01:39:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_post_command_packet [2018-11-23 01:39:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-23 01:39:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2018-11-23 01:39:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2018-11-23 01:39:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_severity_lookup [2018-11-23 01:39:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_severity_lookup [2018-11-23 01:39:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure twa_suspend [2018-11-23 01:39:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_suspend [2018-11-23 01:39:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 01:39:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 01:39:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_request_id [2018-11-23 01:39:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_request_id [2018-11-23 01:39:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2018-11-23 01:39:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2018-11-23 01:39:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 01:39:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2018-11-23 01:39:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure twa_empty_response_queue [2018-11-23 01:39:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_empty_response_queue [2018-11-23 01:39:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 01:39:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2018-11-23 01:39:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure twa_decode_bits [2018-11-23 01:39:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_decode_bits [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2018-11-23 01:39:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure twa_chrdev_open [2018-11-23 01:39:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_chrdev_open [2018-11-23 01:39:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2018-11-23 01:39:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2018-11-23 01:39:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2018-11-23 01:39:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2018-11-23 01:39:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2018-11-23 01:39:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_24 [2018-11-23 01:39:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_24 [2018-11-23 01:39:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:39:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2018-11-23 01:39:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_28 [2018-11-23 01:39:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_28 [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2018-11-23 01:39:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 01:39:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 01:39:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_drain_queue [2018-11-23 01:39:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_drain_queue [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 01:39:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2018-11-23 01:39:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_range [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 01:39:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initialize_device_extension [2018-11-23 01:39:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initialize_device_extension [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_27 [2018-11-23 01:39:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_27 [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initconnection [2018-11-23 01:39:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initconnection [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2018-11-23 01:39:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2018-11-23 01:39:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2018-11-23 01:39:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 01:39:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2018-11-23 01:39:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2018-11-23 01:39:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 01:39:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2018-11-23 01:39:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2018-11-23 01:39:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 01:39:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:39:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_exact [2018-11-23 01:39:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_exact [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_queue_event [2018-11-23 01:39:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_queue_event [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure twa_interrupt [2018-11-23 01:39:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_interrupt [2018-11-23 01:39:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 01:39:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_30 [2018-11-23 01:39:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_30 [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 01:39:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 01:39:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure twa_exit [2018-11-23 01:39:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_exit [2018-11-23 01:39:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2018-11-23 01:39:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 01:39:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:39:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:39:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2018-11-23 01:39:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:39:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_19 [2018-11-23 01:39:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_19 [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2018-11-23 01:39:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure twa_allocate_memory [2018-11-23 01:39:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_allocate_memory [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 01:39:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_response [2018-11-23 01:39:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_response [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:39:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2018-11-23 01:39:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi [2018-11-23 01:39:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi [2018-11-23 01:39:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-23 01:39:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_device_extension [2018-11-23 01:39:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_device_extension [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_29 [2018-11-23 01:39:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_29 [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_device_extension [2018-11-23 01:39:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_device_extension [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2018-11-23 01:39:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_twa_chrdev_mutex [2018-11-23 01:39:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_twa_chrdev_mutex [2018-11-23 01:39:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2018-11-23 01:39:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi_complete [2018-11-23 01:39:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi_complete [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_12 [2018-11-23 01:39:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_12 [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_bits [2018-11-23 01:39:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_bits [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_srl [2018-11-23 01:39:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_srl [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2018-11-23 01:39:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2018-11-23 01:39:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_copy_to_buffer [2018-11-23 01:39:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_copy_to_buffer [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2018-11-23 01:39:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2018-11-23 01:39:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 01:39:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2018-11-23 01:39:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2018-11-23 01:39:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2018-11-23 01:39:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 01:39:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2018-11-23 01:39:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_status [2018-11-23 01:39:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_status [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-23 01:39:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_complete [2018-11-23 01:39:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_complete [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_read_queue [2018-11-23 01:39:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_read_queue [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_queue [2018-11-23 01:39:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_queue [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2018-11-23 01:39:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2018-11-23 01:39:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 01:39:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 01:39:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 01:39:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:39:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:39:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2018-11-23 01:39:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2018-11-23 01:40:23,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:40:23,904 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:40:23,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:23 BoogieIcfgContainer [2018-11-23 01:40:23,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:40:23,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:40:23,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:40:23,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:40:23,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:39:49" (1/3) ... [2018-11-23 01:40:23,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45002c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:23, skipping insertion in model container [2018-11-23 01:40:23,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:52" (2/3) ... [2018-11-23 01:40:23,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45002c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:23, skipping insertion in model container [2018-11-23 01:40:23,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:23" (3/3) ... [2018-11-23 01:40:23,910 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:40:23,916 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:40:23,923 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:40:23,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:40:23,962 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:40:23,962 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:40:23,963 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:40:23,963 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:40:23,963 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:40:23,963 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:40:23,963 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:40:23,963 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:40:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states. [2018-11-23 01:40:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 01:40:24,004 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:24,005 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:24,006 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:24,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:24,010 INFO L82 PathProgramCache]: Analyzing trace with hash -298333033, now seen corresponding path program 1 times [2018-11-23 01:40:24,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:24,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:24,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:24,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:24,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:40:24,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:24,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:24,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:24,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:24,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:24,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:24,816 INFO L87 Difference]: Start difference. First operand 1646 states. Second operand 3 states. [2018-11-23 01:40:26,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:26,009 INFO L93 Difference]: Finished difference Result 4758 states and 6682 transitions. [2018-11-23 01:40:26,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:26,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-11-23 01:40:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:26,042 INFO L225 Difference]: With dead ends: 4758 [2018-11-23 01:40:26,042 INFO L226 Difference]: Without dead ends: 3116 [2018-11-23 01:40:26,052 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 01:40:26,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3116 states. [2018-11-23 01:40:26,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3116 to 3070. [2018-11-23 01:40:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3070 states. [2018-11-23 01:40:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4282 transitions. [2018-11-23 01:40:26,218 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4282 transitions. Word has length 172 [2018-11-23 01:40:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:26,219 INFO L480 AbstractCegarLoop]: Abstraction has 3070 states and 4282 transitions. [2018-11-23 01:40:26,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4282 transitions. [2018-11-23 01:40:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 01:40:26,224 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:26,224 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:26,225 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:26,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:26,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1284821587, now seen corresponding path program 1 times [2018-11-23 01:40:26,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:26,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:26,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:26,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:26,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:40:26,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:26,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:26,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:26,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:26,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:26,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:26,685 INFO L87 Difference]: Start difference. First operand 3070 states and 4282 transitions. Second operand 3 states. [2018-11-23 01:40:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:30,002 INFO L93 Difference]: Finished difference Result 9077 states and 12677 transitions. [2018-11-23 01:40:30,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:30,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-11-23 01:40:30,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:30,026 INFO L225 Difference]: With dead ends: 9077 [2018-11-23 01:40:30,026 INFO L226 Difference]: Without dead ends: 6046 [2018-11-23 01:40:30,035 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 01:40:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6046 states. [2018-11-23 01:40:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6046 to 6039. [2018-11-23 01:40:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6039 states. [2018-11-23 01:40:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6039 states to 6039 states and 8436 transitions. [2018-11-23 01:40:30,179 INFO L78 Accepts]: Start accepts. Automaton has 6039 states and 8436 transitions. Word has length 173 [2018-11-23 01:40:30,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:30,180 INFO L480 AbstractCegarLoop]: Abstraction has 6039 states and 8436 transitions. [2018-11-23 01:40:30,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6039 states and 8436 transitions. [2018-11-23 01:40:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 01:40:30,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:30,183 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:30,183 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:30,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:30,183 INFO L82 PathProgramCache]: Analyzing trace with hash -2138738127, now seen corresponding path program 1 times [2018-11-23 01:40:30,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:30,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:30,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:30,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:30,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:40:30,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:30,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:30,516 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:30,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:30,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:30,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:30,517 INFO L87 Difference]: Start difference. First operand 6039 states and 8436 transitions. Second operand 3 states. [2018-11-23 01:40:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:31,791 INFO L93 Difference]: Finished difference Result 17163 states and 24089 transitions. [2018-11-23 01:40:31,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:31,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2018-11-23 01:40:31,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:31,850 INFO L225 Difference]: With dead ends: 17163 [2018-11-23 01:40:31,850 INFO L226 Difference]: Without dead ends: 11163 [2018-11-23 01:40:31,872 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 01:40:31,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11163 states. [2018-11-23 01:40:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11163 to 11067. [2018-11-23 01:40:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11067 states. [2018-11-23 01:40:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 15593 transitions. [2018-11-23 01:40:32,403 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 15593 transitions. Word has length 185 [2018-11-23 01:40:32,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:32,404 INFO L480 AbstractCegarLoop]: Abstraction has 11067 states and 15593 transitions. [2018-11-23 01:40:32,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 15593 transitions. [2018-11-23 01:40:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 01:40:32,407 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:32,407 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:32,407 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:32,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:32,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1651791825, now seen corresponding path program 1 times [2018-11-23 01:40:32,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:32,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:32,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:32,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:32,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 01:40:32,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:32,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:32,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:32,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:32,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:32,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:32,830 INFO L87 Difference]: Start difference. First operand 11067 states and 15593 transitions. Second operand 3 states. [2018-11-23 01:40:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:34,018 INFO L93 Difference]: Finished difference Result 11093 states and 15625 transitions. [2018-11-23 01:40:34,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:34,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-11-23 01:40:34,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:34,068 INFO L225 Difference]: With dead ends: 11093 [2018-11-23 01:40:34,068 INFO L226 Difference]: Without dead ends: 11080 [2018-11-23 01:40:34,075 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 01:40:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11080 states. [2018-11-23 01:40:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11080 to 11067. [2018-11-23 01:40:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11067 states. [2018-11-23 01:40:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 15589 transitions. [2018-11-23 01:40:34,408 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 15589 transitions. Word has length 193 [2018-11-23 01:40:34,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:34,409 INFO L480 AbstractCegarLoop]: Abstraction has 11067 states and 15589 transitions. [2018-11-23 01:40:34,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 15589 transitions. [2018-11-23 01:40:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 01:40:34,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:34,412 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:34,413 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:34,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:34,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1594533523, now seen corresponding path program 1 times [2018-11-23 01:40:34,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:34,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:34,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:34,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:34,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 01:40:34,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:34,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:34,838 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:34,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:34,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:34,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:34,839 INFO L87 Difference]: Start difference. First operand 11067 states and 15589 transitions. Second operand 3 states. [2018-11-23 01:40:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:35,014 INFO L93 Difference]: Finished difference Result 11069 states and 15590 transitions. [2018-11-23 01:40:35,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:35,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-11-23 01:40:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:35,058 INFO L225 Difference]: With dead ends: 11069 [2018-11-23 01:40:35,058 INFO L226 Difference]: Without dead ends: 11066 [2018-11-23 01:40:35,066 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 01:40:35,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11066 states. [2018-11-23 01:40:35,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11066 to 11066. [2018-11-23 01:40:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11066 states. [2018-11-23 01:40:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11066 states to 11066 states and 15587 transitions. [2018-11-23 01:40:35,404 INFO L78 Accepts]: Start accepts. Automaton has 11066 states and 15587 transitions. Word has length 193 [2018-11-23 01:40:35,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:35,404 INFO L480 AbstractCegarLoop]: Abstraction has 11066 states and 15587 transitions. [2018-11-23 01:40:35,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 11066 states and 15587 transitions. [2018-11-23 01:40:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 01:40:35,407 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:35,407 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:35,407 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:35,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:35,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2108573254, now seen corresponding path program 1 times [2018-11-23 01:40:35,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:35,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:35,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:35,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:35,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 01:40:35,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:35,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:35,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:35,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:35,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:35,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:35,858 INFO L87 Difference]: Start difference. First operand 11066 states and 15587 transitions. Second operand 3 states. [2018-11-23 01:40:36,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:36,369 INFO L93 Difference]: Finished difference Result 32843 states and 46368 transitions. [2018-11-23 01:40:36,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:36,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-11-23 01:40:36,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:36,460 INFO L225 Difference]: With dead ends: 32843 [2018-11-23 01:40:36,460 INFO L226 Difference]: Without dead ends: 21824 [2018-11-23 01:40:36,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 01:40:36,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21824 states. [2018-11-23 01:40:37,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21824 to 21770. [2018-11-23 01:40:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21770 states. [2018-11-23 01:40:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21770 states to 21770 states and 30744 transitions. [2018-11-23 01:40:37,240 INFO L78 Accepts]: Start accepts. Automaton has 21770 states and 30744 transitions. Word has length 194 [2018-11-23 01:40:37,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:37,240 INFO L480 AbstractCegarLoop]: Abstraction has 21770 states and 30744 transitions. [2018-11-23 01:40:37,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 21770 states and 30744 transitions. [2018-11-23 01:40:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 01:40:37,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:37,244 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:37,244 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:37,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:37,244 INFO L82 PathProgramCache]: Analyzing trace with hash 940771216, now seen corresponding path program 1 times [2018-11-23 01:40:37,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:37,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:37,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:37,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:37,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 01:40:37,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:37,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:37,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:37,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:37,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:37,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:37,675 INFO L87 Difference]: Start difference. First operand 21770 states and 30744 transitions. Second operand 3 states. [2018-11-23 01:40:38,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:38,044 INFO L93 Difference]: Finished difference Result 21772 states and 30745 transitions. [2018-11-23 01:40:38,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:38,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2018-11-23 01:40:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:38,120 INFO L225 Difference]: With dead ends: 21772 [2018-11-23 01:40:38,120 INFO L226 Difference]: Without dead ends: 21769 [2018-11-23 01:40:38,133 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 01:40:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21769 states. [2018-11-23 01:40:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21769 to 21769. [2018-11-23 01:40:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21769 states. [2018-11-23 01:40:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21769 states to 21769 states and 30742 transitions. [2018-11-23 01:40:38,663 INFO L78 Accepts]: Start accepts. Automaton has 21769 states and 30742 transitions. Word has length 195 [2018-11-23 01:40:38,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:38,664 INFO L480 AbstractCegarLoop]: Abstraction has 21769 states and 30742 transitions. [2018-11-23 01:40:38,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 21769 states and 30742 transitions. [2018-11-23 01:40:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 01:40:38,667 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:38,668 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:38,668 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:38,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash -901348727, now seen corresponding path program 1 times [2018-11-23 01:40:38,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:38,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:38,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:38,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:38,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 01:40:39,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:39,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:39,040 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:39,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:39,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:39,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:39,041 INFO L87 Difference]: Start difference. First operand 21769 states and 30742 transitions. Second operand 3 states. [2018-11-23 01:40:39,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:39,452 INFO L93 Difference]: Finished difference Result 21771 states and 30743 transitions. [2018-11-23 01:40:39,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:39,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2018-11-23 01:40:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:39,508 INFO L225 Difference]: With dead ends: 21771 [2018-11-23 01:40:39,508 INFO L226 Difference]: Without dead ends: 21768 [2018-11-23 01:40:39,517 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 01:40:39,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21768 states. [2018-11-23 01:40:39,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21768 to 21768. [2018-11-23 01:40:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21768 states. [2018-11-23 01:40:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21768 states to 21768 states and 30740 transitions. [2018-11-23 01:40:40,017 INFO L78 Accepts]: Start accepts. Automaton has 21768 states and 30740 transitions. Word has length 196 [2018-11-23 01:40:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:40,018 INFO L480 AbstractCegarLoop]: Abstraction has 21768 states and 30740 transitions. [2018-11-23 01:40:40,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 21768 states and 30740 transitions. [2018-11-23 01:40:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 01:40:40,021 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:40,021 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:40,021 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:40,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:40,021 INFO L82 PathProgramCache]: Analyzing trace with hash 2122480051, now seen corresponding path program 1 times [2018-11-23 01:40:40,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:40,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:40,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:40,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:40,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 01:40:40,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:40,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:40,293 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:40,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:40,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:40,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:40,294 INFO L87 Difference]: Start difference. First operand 21768 states and 30740 transitions. Second operand 3 states. [2018-11-23 01:40:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:40,636 INFO L93 Difference]: Finished difference Result 27937 states and 39227 transitions. [2018-11-23 01:40:40,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:40,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-11-23 01:40:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:40,731 INFO L225 Difference]: With dead ends: 27937 [2018-11-23 01:40:40,731 INFO L226 Difference]: Without dead ends: 27919 [2018-11-23 01:40:40,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:40:40,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27919 states. [2018-11-23 01:40:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27919 to 25980. [2018-11-23 01:40:41,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25980 states. [2018-11-23 01:40:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25980 states to 25980 states and 36509 transitions. [2018-11-23 01:40:41,518 INFO L78 Accepts]: Start accepts. Automaton has 25980 states and 36509 transitions. Word has length 197 [2018-11-23 01:40:41,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:41,518 INFO L480 AbstractCegarLoop]: Abstraction has 25980 states and 36509 transitions. [2018-11-23 01:40:41,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 25980 states and 36509 transitions. [2018-11-23 01:40:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 01:40:41,530 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:41,530 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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 01:40:41,530 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:41,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash -781281592, now seen corresponding path program 1 times [2018-11-23 01:40:41,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:41,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:41,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:41,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:41,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-11-23 01:40:41,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:41,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:41,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:41,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:41,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:41,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:41,808 INFO L87 Difference]: Start difference. First operand 25980 states and 36509 transitions. Second operand 3 states. [2018-11-23 01:40:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:43,739 INFO L93 Difference]: Finished difference Result 70381 states and 98856 transitions. [2018-11-23 01:40:43,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:43,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2018-11-23 01:40:43,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:43,848 INFO L225 Difference]: With dead ends: 70381 [2018-11-23 01:40:43,848 INFO L226 Difference]: Without dead ends: 44448 [2018-11-23 01:40:43,914 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 01:40:43,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44448 states. [2018-11-23 01:40:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44448 to 42568. [2018-11-23 01:40:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42568 states. [2018-11-23 01:40:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42568 states to 42568 states and 59763 transitions. [2018-11-23 01:40:45,071 INFO L78 Accepts]: Start accepts. Automaton has 42568 states and 59763 transitions. Word has length 274 [2018-11-23 01:40:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:45,072 INFO L480 AbstractCegarLoop]: Abstraction has 42568 states and 59763 transitions. [2018-11-23 01:40:45,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 42568 states and 59763 transitions. [2018-11-23 01:40:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 01:40:45,087 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:45,088 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:40:45,088 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:45,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:45,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1040342213, now seen corresponding path program 1 times [2018-11-23 01:40:45,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:45,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:45,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:45,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:45,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-23 01:40:45,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:45,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:40:45,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:45,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:40:45,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:40:45,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:40:45,453 INFO L87 Difference]: Start difference. First operand 42568 states and 59763 transitions. Second operand 7 states. [2018-11-23 01:40:46,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:46,389 INFO L93 Difference]: Finished difference Result 86457 states and 121778 transitions. [2018-11-23 01:40:46,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:40:46,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2018-11-23 01:40:46,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:46,511 INFO L225 Difference]: With dead ends: 86457 [2018-11-23 01:40:46,511 INFO L226 Difference]: Without dead ends: 43936 [2018-11-23 01:40:46,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:40:46,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43936 states. [2018-11-23 01:40:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43936 to 42680. [2018-11-23 01:40:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42680 states. [2018-11-23 01:40:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42680 states to 42680 states and 59923 transitions. [2018-11-23 01:40:47,770 INFO L78 Accepts]: Start accepts. Automaton has 42680 states and 59923 transitions. Word has length 310 [2018-11-23 01:40:47,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:47,771 INFO L480 AbstractCegarLoop]: Abstraction has 42680 states and 59923 transitions. [2018-11-23 01:40:47,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:40:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 42680 states and 59923 transitions. [2018-11-23 01:40:47,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 01:40:47,783 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:47,783 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:40:47,784 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:47,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:47,784 INFO L82 PathProgramCache]: Analyzing trace with hash -524821764, now seen corresponding path program 1 times [2018-11-23 01:40:47,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:47,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:47,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:47,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:47,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-23 01:40:48,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:48,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:48,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:48,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:48,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:48,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:48,143 INFO L87 Difference]: Start difference. First operand 42680 states and 59923 transitions. Second operand 3 states. [2018-11-23 01:40:49,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:49,071 INFO L93 Difference]: Finished difference Result 85369 states and 119886 transitions. [2018-11-23 01:40:49,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:49,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2018-11-23 01:40:49,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:49,178 INFO L225 Difference]: With dead ends: 85369 [2018-11-23 01:40:49,178 INFO L226 Difference]: Without dead ends: 42736 [2018-11-23 01:40:49,244 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 01:40:49,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42736 states. [2018-11-23 01:40:50,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42736 to 42708. [2018-11-23 01:40:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42708 states. [2018-11-23 01:40:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42708 states to 42708 states and 59907 transitions. [2018-11-23 01:40:50,477 INFO L78 Accepts]: Start accepts. Automaton has 42708 states and 59907 transitions. Word has length 310 [2018-11-23 01:40:50,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:50,477 INFO L480 AbstractCegarLoop]: Abstraction has 42708 states and 59907 transitions. [2018-11-23 01:40:50,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42708 states and 59907 transitions. [2018-11-23 01:40:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 01:40:50,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:50,489 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:40:50,489 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:50,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash -284582018, now seen corresponding path program 1 times [2018-11-23 01:40:50,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:50,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:50,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:50,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:50,492 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2018-11-23 01:40:50,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:50,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:50,843 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:50,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:50,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:50,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:50,844 INFO L87 Difference]: Start difference. First operand 42708 states and 59907 transitions. Second operand 3 states. [2018-11-23 01:40:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:51,777 INFO L93 Difference]: Finished difference Result 85637 states and 120267 transitions. [2018-11-23 01:40:51,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:51,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2018-11-23 01:40:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:51,891 INFO L225 Difference]: With dead ends: 85637 [2018-11-23 01:40:51,891 INFO L226 Difference]: Without dead ends: 42976 [2018-11-23 01:40:51,957 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 01:40:51,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42976 states. [2018-11-23 01:40:54,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42976 to 42757. [2018-11-23 01:40:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42757 states. [2018-11-23 01:40:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42757 states to 42757 states and 59956 transitions. [2018-11-23 01:40:54,272 INFO L78 Accepts]: Start accepts. Automaton has 42757 states and 59956 transitions. Word has length 310 [2018-11-23 01:40:54,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:54,273 INFO L480 AbstractCegarLoop]: Abstraction has 42757 states and 59956 transitions. [2018-11-23 01:40:54,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 42757 states and 59956 transitions. [2018-11-23 01:40:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-23 01:40:54,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:54,285 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:40:54,286 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:54,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:54,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1296209957, now seen corresponding path program 1 times [2018-11-23 01:40:54,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:54,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:54,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:54,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:54,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2018-11-23 01:40:54,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:54,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:40:54,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:54,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:40:54,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:40:54,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:40:54,593 INFO L87 Difference]: Start difference. First operand 42757 states and 59956 transitions. Second operand 3 states. [2018-11-23 01:40:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:55,493 INFO L93 Difference]: Finished difference Result 86793 states and 122248 transitions. [2018-11-23 01:40:55,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:40:55,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2018-11-23 01:40:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:55,600 INFO L225 Difference]: With dead ends: 86793 [2018-11-23 01:40:55,600 INFO L226 Difference]: Without dead ends: 44083 [2018-11-23 01:40:55,667 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 01:40:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44083 states. [2018-11-23 01:40:56,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44083 to 42796. [2018-11-23 01:40:56,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42796 states. [2018-11-23 01:40:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42796 states to 42796 states and 59995 transitions. [2018-11-23 01:40:56,603 INFO L78 Accepts]: Start accepts. Automaton has 42796 states and 59995 transitions. Word has length 319 [2018-11-23 01:40:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:56,603 INFO L480 AbstractCegarLoop]: Abstraction has 42796 states and 59995 transitions. [2018-11-23 01:40:56,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:40:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 42796 states and 59995 transitions. [2018-11-23 01:40:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-23 01:40:56,617 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:56,617 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:40:56,617 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:56,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:56,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1771928933, now seen corresponding path program 1 times [2018-11-23 01:40:56,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:56,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:56,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-11-23 01:40:57,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:57,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:40:57,115 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:57,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:40:57,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:40:57,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:40:57,116 INFO L87 Difference]: Start difference. First operand 42796 states and 59995 transitions. Second operand 6 states. [2018-11-23 01:40:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:40:58,050 INFO L93 Difference]: Finished difference Result 86988 states and 122443 transitions. [2018-11-23 01:40:58,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:40:58,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 336 [2018-11-23 01:40:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:40:58,159 INFO L225 Difference]: With dead ends: 86988 [2018-11-23 01:40:58,159 INFO L226 Difference]: Without dead ends: 44239 [2018-11-23 01:40:58,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:40:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44239 states. [2018-11-23 01:40:59,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44239 to 42991. [2018-11-23 01:40:59,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42991 states. [2018-11-23 01:40:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42991 states to 42991 states and 60190 transitions. [2018-11-23 01:40:59,176 INFO L78 Accepts]: Start accepts. Automaton has 42991 states and 60190 transitions. Word has length 336 [2018-11-23 01:40:59,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:40:59,176 INFO L480 AbstractCegarLoop]: Abstraction has 42991 states and 60190 transitions. [2018-11-23 01:40:59,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:40:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 42991 states and 60190 transitions. [2018-11-23 01:40:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-23 01:40:59,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:40:59,190 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:40:59,190 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:40:59,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:40:59,190 INFO L82 PathProgramCache]: Analyzing trace with hash 713624916, now seen corresponding path program 1 times [2018-11-23 01:40:59,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:40:59,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:59,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:40:59,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:40:59,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:40:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:40:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-11-23 01:40:59,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:40:59,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:40:59,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:40:59,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:40:59,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:40:59,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:40:59,616 INFO L87 Difference]: Start difference. First operand 42991 states and 60190 transitions. Second operand 6 states. [2018-11-23 01:41:00,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:41:00,799 INFO L93 Difference]: Finished difference Result 86049 states and 120499 transitions. [2018-11-23 01:41:00,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:41:00,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 344 [2018-11-23 01:41:00,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:41:00,897 INFO L225 Difference]: With dead ends: 86049 [2018-11-23 01:41:00,897 INFO L226 Difference]: Without dead ends: 43105 [2018-11-23 01:41:00,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:41:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43105 states. [2018-11-23 01:41:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43105 to 43043. [2018-11-23 01:41:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43043 states. [2018-11-23 01:41:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43043 states to 43043 states and 60246 transitions. [2018-11-23 01:41:01,857 INFO L78 Accepts]: Start accepts. Automaton has 43043 states and 60246 transitions. Word has length 344 [2018-11-23 01:41:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:41:01,858 INFO L480 AbstractCegarLoop]: Abstraction has 43043 states and 60246 transitions. [2018-11-23 01:41:01,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:41:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 43043 states and 60246 transitions. [2018-11-23 01:41:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-11-23 01:41:01,875 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:41:01,876 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:41:01,876 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:41:01,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:41:01,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1286644009, now seen corresponding path program 1 times [2018-11-23 01:41:01,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:41:01,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:41:01,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:41:01,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:41:01,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:41:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:41:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-11-23 01:41:02,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:41:02,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:41:02,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:41:02,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:41:02,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:41:02,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:41:02,199 INFO L87 Difference]: Start difference. First operand 43043 states and 60246 transitions. Second operand 3 states. [2018-11-23 01:41:06,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:41:06,322 INFO L93 Difference]: Finished difference Result 86042 states and 120434 transitions. [2018-11-23 01:41:06,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:41:06,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2018-11-23 01:41:06,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:41:06,428 INFO L225 Difference]: With dead ends: 86042 [2018-11-23 01:41:06,428 INFO L226 Difference]: Without dead ends: 43046 [2018-11-23 01:41:06,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 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 01:41:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43046 states. [2018-11-23 01:41:07,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43046 to 42875. [2018-11-23 01:41:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42875 states. [2018-11-23 01:41:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42875 states to 42875 states and 59966 transitions. [2018-11-23 01:41:07,645 INFO L78 Accepts]: Start accepts. Automaton has 42875 states and 59966 transitions. Word has length 345 [2018-11-23 01:41:07,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:41:07,645 INFO L480 AbstractCegarLoop]: Abstraction has 42875 states and 59966 transitions. [2018-11-23 01:41:07,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:41:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 42875 states and 59966 transitions. [2018-11-23 01:41:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2018-11-23 01:41:07,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:41:07,673 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:07,673 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:41:07,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:41:07,673 INFO L82 PathProgramCache]: Analyzing trace with hash -486880285, now seen corresponding path program 1 times [2018-11-23 01:41:07,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:41:07,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:41:07,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:41:07,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:41:07,676 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:41:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:41:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2018-11-23 01:41:08,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:41:08,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:41:08,419 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:41:08,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:41:08,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:41:08,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:41:08,420 INFO L87 Difference]: Start difference. First operand 42875 states and 59966 transitions. Second operand 6 states. [2018-11-23 01:41:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:41:09,430 INFO L93 Difference]: Finished difference Result 85879 states and 120156 transitions. [2018-11-23 01:41:09,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:41:09,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 677 [2018-11-23 01:41:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:41:09,535 INFO L225 Difference]: With dead ends: 85879 [2018-11-23 01:41:09,535 INFO L226 Difference]: Without dead ends: 43051 [2018-11-23 01:41:09,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:41:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43051 states. [2018-11-23 01:41:10,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43051 to 43015. [2018-11-23 01:41:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43015 states. [2018-11-23 01:41:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43015 states to 43015 states and 60134 transitions. [2018-11-23 01:41:10,523 INFO L78 Accepts]: Start accepts. Automaton has 43015 states and 60134 transitions. Word has length 677 [2018-11-23 01:41:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:41:10,524 INFO L480 AbstractCegarLoop]: Abstraction has 43015 states and 60134 transitions. [2018-11-23 01:41:10,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:41:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 43015 states and 60134 transitions. [2018-11-23 01:41:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2018-11-23 01:41:10,562 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:41:10,563 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:10,563 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:41:10,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:41:10,563 INFO L82 PathProgramCache]: Analyzing trace with hash -614491696, now seen corresponding path program 1 times [2018-11-23 01:41:10,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:41:10,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:41:10,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:41:10,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:41:10,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:41:10,942 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:41:10,943 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:41:10,943 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:41:10,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:41:10,962 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-23 01:41:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:41:11,826 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 717 with the following transitions: [2018-11-23 01:41:11,829 INFO L202 CegarAbsIntRunner]: [10], [12], [14], [17], [20], [302], [304], [305], [306], [317], [319], [324], [326], [354], [357], [369], [371], [382], [393], [411], [416], [420], [424], [427], [438], [440], [442], [447], [450], [456], [460], [465], [467], [469], [480], [482], [484], [486], [488], [491], [508], [510], [512], [523], [525], [528], [530], [541], [546], [565], [588], [589], [590], [591], [592], [593], [603], [609], [612], [615], [617], [664], [667], [669], [719], [721], [723], [730], [756], [758], [759], [760], [791], [797], [798], [799], [801], [803], [804], [914], [916], [917], [920], [922], [923], [924], [925], [926], [929], [933], [934], [973], [975], [976], [977], [999], [1003], [1008], [1011], [1014], [1018], [1071], [1073], [1075], [1076], [1083], [1085], [1087], [1089], [1091], [1102], [1104], [1105], [1144], [1145], [1167], [1168], [1196], [1198], [1200], [1201], [1202], [1208], [1210], [1211], [1223], [1226], [1236], [1238], [1240], [1242], [1249], [1251], [1254], [1260], [1263], [1311], [1312], [1313], [1315], [1316], [1363], [1365], [1366], [1392], [1393], [1497], [1501], [1503], [1504], [1511], [1514], [1516], [1634], [1635], [1636], [1638], [1649], [1651], [1662], [1664], [1675], [1683], [1685], [1686], [1735], [1737], [1739], [1745], [1747], [1748], [1787], [1789], [1792], [1796], [1797], [1798], [1800], [1801], [2136], [2138], [2139], [2155], [2156], [2157], [2159], [2161], [2163], [2165], [2167], [2169], [2171], [2173], [2175], [2177], [2179], [2181], [2183], [2185], [2187], [2220], [2303], [2315], [2318], [2321], [2333], [2336], [2339], [2341], [2344], [2352], [2371], [2374], [2377], [2380], [2383], [2385], [2388], [2596], [2608], [2611], [2614], [2625], [2644], [2647], [2650], [2767], [2769], [2772], [2775], [2820], [2821], [2822], [2824], [2862], [2866], [2870], [2871], [3079], [3080], [3150], [3152], [3153], [3178], [3181], [3188], [3225], [3231], [3233], [3234], [3235], [3238], [3247], [3248], [3308], [3310], [3311], [3398], [3399], [3400], [3401], [3406], [3408], [3410], [3417], [3443], [3445], [3446], [3527], [3529], [3530], [3570], [3576], [3578], [3579], [3586], [3587], [3588], [3589], [3590], [3591], [3592], [3593], [3636], [3638], [3639], [3640], [3641], [3642], [3643], [3648], [3649], [3650], [3651], [3652], [3653], [3654], [3655], [3656], [3657], [3658], [3659], [3660], [3661], [3662], [3663], [3664], [3665], [3666], [3667], [3672], [3673], [3674], [3675], [3676], [3677], [3692], [3693], [3716], [3717], [3718], [3719], [3730], [3731], [3732], [3733], [3758], [3759], [3760], [3761], [3782], [3783], [3788], [3789], [3798], [3799], [3800], [3801], [3802], [3803], [3804], [3805], [3816], [3817], [3818], [3819], [3832], [3833], [3834], [3835], [3846], [3847], [3860], [3861], [3880], [3881], [3894], [3895], [3896], [3897], [3898], [3899], [3912], [3913], [3914], [3915], [3920], [3921], [3922], [3923], [4000], [4001], [4006], [4007], [4008], [4009], [4010], [4011], [4012], [4013], [4014], [4015], [4016], [4017], [4018], [4019], [4020], [4021], [4022], [4023], [4024], [4025], [4026], [4027], [4028], [4029], [4030], [4031], [4032], [4033], [4052], [4053], [4056], [4057], [4088], [4110], [4111], [4116], [4117], [4172], [4173], [4180], [4182], [4196], [4197], [4222], [4223], [4224], [4225], [4260], [4261], [4272], [4273], [4274] [2018-11-23 01:41:11,885 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:41:11,885 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:41:18,022 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) 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) Caused by: 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.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-23 01:41:18,025 INFO L168 Benchmark]: Toolchain (without parser) took 88037.18 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 943.5 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-23 01:41:18,026 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:41:18,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2502.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:41:18,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.58 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:41:18,027 INFO L168 Benchmark]: Boogie Preprocessor took 242.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.6 MB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:41:18,027 INFO L168 Benchmark]: RCFGBuilder took 31090.18 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 989.6 MB in the beginning and 1.9 GB in the end (delta: -901.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 01:41:18,028 INFO L168 Benchmark]: TraceAbstraction took 54119.70 ms. Allocated memory was 2.3 GB in the beginning and 5.0 GB in the end (delta: 2.7 GB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -61.7 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 01:41:18,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2502.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.58 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 242.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.6 MB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 31090.18 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 989.6 MB in the beginning and 1.9 GB in the end (delta: -901.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * TraceAbstraction took 54119.70 ms. Allocated memory was 2.3 GB in the beginning and 5.0 GB in the end (delta: 2.7 GB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -61.7 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) 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 01:41:19,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:41:19,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:41:19,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:41:19,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:41:19,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:41:19,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:41:19,580 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:41:19,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:41:19,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:41:19,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:41:19,583 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:41:19,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:41:19,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:41:19,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:41:19,585 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:41:19,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:41:19,587 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:41:19,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:41:19,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:41:19,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:41:19,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:41:19,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:41:19,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:41:19,593 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:41:19,595 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:41:19,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:41:19,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:41:19,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:41:19,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:41:19,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:41:19,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:41:19,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:41:19,599 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:41:19,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:41:19,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:41:19,600 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 01:41:19,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:41:19,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:41:19,611 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:41:19,611 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:41:19,611 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:41:19,611 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:41:19,612 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:41:19,612 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:41:19,612 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:41:19,612 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:41:19,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:41:19,613 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:41:19,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:41:19,614 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:41:19,616 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:41:19,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:41:19,616 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:41:19,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:41:19,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:41:19,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:41:19,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:41:19,617 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 01:41:19,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:41:19,617 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 01:41:19,617 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 01:41:19,617 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_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 -> 17751f735cce1578eca5ce1433e8e405b7fe654f [2018-11-23 01:41:19,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:41:19,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:41:19,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:41:19,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:41:19,662 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:41:19,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:41:19,708 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/abd594714/878ec3bb1b634727998357bedd4cc1b5/FLAG37cf5c7c7 [2018-11-23 01:41:20,229 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:41:20,230 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:41:20,257 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/abd594714/878ec3bb1b634727998357bedd4cc1b5/FLAG37cf5c7c7 [2018-11-23 01:41:20,465 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/data/abd594714/878ec3bb1b634727998357bedd4cc1b5 [2018-11-23 01:41:20,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:41:20,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:41:20,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:41:20,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:41:20,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:41:20,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:20" (1/1) ... [2018-11-23 01:41:20,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b356080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:20, skipping insertion in model container [2018-11-23 01:41:20,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:20" (1/1) ... [2018-11-23 01:41:20,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:41:20,579 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:41:22,364 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:41:22,397 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:41:22,641 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:41:22,954 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:41:22,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22 WrapperNode [2018-11-23 01:41:22,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:41:22,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:41:22,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:41:22,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:41:22,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:41:23,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:41:23,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:41:23,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:41:23,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... [2018-11-23 01:41:23,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:41:23,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:41:23,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:41:23,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:41:23,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 01:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_copy_from_buffer [2018-11-23 01:41:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_copy_from_buffer [2018-11-23 01:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2018-11-23 01:41:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2018-11-23 01:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure twa_chrdev_ioctl [2018-11-23 01:41:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_chrdev_ioctl [2018-11-23 01:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2018-11-23 01:41:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2018-11-23 01:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 01:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure twa_probe [2018-11-23 01:41:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_probe [2018-11-23 01:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2018-11-23 01:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 01:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2018-11-23 01:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_eh_reset [2018-11-23 01:41:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_eh_reset [2018-11-23 01:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2018-11-23 01:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 01:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 01:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2018-11-23 01:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 01:41:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 01:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 01:41:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 01:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2018-11-23 01:41:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2018-11-23 01:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2018-11-23 01:41:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2018-11-23 01:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_biosparam [2018-11-23 01:41:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_biosparam [2018-11-23 01:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:41:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:41:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_queue_lck [2018-11-23 01:41:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_queue_lck [2018-11-23 01:41:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 01:41:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 01:41:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_request_id [2018-11-23 01:41:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_request_id [2018-11-23 01:41:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2018-11-23 01:41:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2018-11-23 01:41:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure twa_fill_sense [2018-11-23 01:41:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_fill_sense [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2018-11-23 01:41:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_status_gone [2018-11-23 01:41:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_status_gone [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2018-11-23 01:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 01:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2018-11-23 01:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 01:41:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 01:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2018-11-23 01:41:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2018-11-23 01:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 01:41:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 01:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure twa_empty_response_queue_large [2018-11-23 01:41:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_empty_response_queue_large [2018-11-23 01:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 01:41:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 01:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_22 [2018-11-23 01:41:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_22 [2018-11-23 01:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2018-11-23 01:41:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2018-11-23 01:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure twa_resume [2018-11-23 01:41:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_resume [2018-11-23 01:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2018-11-23 01:41:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2018-11-23 01:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2018-11-23 01:41:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2018-11-23 01:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2018-11-23 01:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure twa_init [2018-11-23 01:41:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_init [2018-11-23 01:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:41:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2018-11-23 01:41:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2018-11-23 01:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-23 01:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 01:41:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 01:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure twa_remove [2018-11-23 01:41:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_remove [2018-11-23 01:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_sync_time [2018-11-23 01:41:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_sync_time [2018-11-23 01:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 01:41:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 01:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_sequence [2018-11-23 01:41:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_sequence [2018-11-23 01:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 01:41:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 01:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2018-11-23 01:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2018-11-23 01:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2018-11-23 01:41:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_param [2018-11-23 01:41:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_param [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2018-11-23 01:41:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure twa_load_sgl [2018-11-23 01:41:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_load_sgl [2018-11-23 01:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2018-11-23 01:41:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure twa_string_lookup [2018-11-23 01:41:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_string_lookup [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 01:41:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2018-11-23 01:41:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 01:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 01:41:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2018-11-23 01:41:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2018-11-23 01:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure twa_slave_configure [2018-11-23 01:41:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_slave_configure [2018-11-23 01:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-23 01:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 01:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 01:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __twa_shutdown [2018-11-23 01:41:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __twa_shutdown [2018-11-23 01:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2018-11-23 01:41:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2018-11-23 01:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_twa_chrdev_mutex [2018-11-23 01:41:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_twa_chrdev_mutex [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure twa_show_stats [2018-11-23 01:41:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_show_stats [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure twa_shutdown [2018-11-23 01:41:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_shutdown [2018-11-23 01:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure twa_post_command_packet [2018-11-23 01:41:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_post_command_packet [2018-11-23 01:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-23 01:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2018-11-23 01:41:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2018-11-23 01:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_severity_lookup [2018-11-23 01:41:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_severity_lookup [2018-11-23 01:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure twa_suspend [2018-11-23 01:41:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_suspend [2018-11-23 01:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 01:41:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 01:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_request_id [2018-11-23 01:41:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_request_id [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2018-11-23 01:41:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure twa_empty_response_queue [2018-11-23 01:41:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_empty_response_queue [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 01:41:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 01:41:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2018-11-23 01:41:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure twa_decode_bits [2018-11-23 01:41:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_decode_bits [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure twa_chrdev_open [2018-11-23 01:41:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_chrdev_open [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2018-11-23 01:41:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2018-11-23 01:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2018-11-23 01:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_24 [2018-11-23 01:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_24 [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2018-11-23 01:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_28 [2018-11-23 01:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_28 [2018-11-23 01:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2018-11-23 01:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 01:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_drain_queue [2018-11-23 01:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_drain_queue [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 01:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 01:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2018-11-23 01:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_range [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initialize_device_extension [2018-11-23 01:41:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initialize_device_extension [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_27 [2018-11-23 01:41:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_27 [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initconnection [2018-11-23 01:41:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initconnection [2018-11-23 01:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2018-11-23 01:41:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2018-11-23 01:41:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 01:41:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2018-11-23 01:41:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2018-11-23 01:41:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 01:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 01:41:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2018-11-23 01:41:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2018-11-23 01:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 01:41:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_exact [2018-11-23 01:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_exact [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_queue_event [2018-11-23 01:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_queue_event [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure twa_interrupt [2018-11-23 01:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_interrupt [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 01:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2018-11-23 01:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_30 [2018-11-23 01:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_30 [2018-11-23 01:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 01:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 01:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2018-11-23 01:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 01:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 01:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure twa_exit [2018-11-23 01:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_exit [2018-11-23 01:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2018-11-23 01:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2018-11-23 01:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 01:41:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:41:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2018-11-23 01:41:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:41:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_19 [2018-11-23 01:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_19 [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2018-11-23 01:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure twa_allocate_memory [2018-11-23 01:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_allocate_memory [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_response [2018-11-23 01:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_response [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 01:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2018-11-23 01:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2018-11-23 01:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2018-11-23 01:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2018-11-23 01:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi [2018-11-23 01:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi [2018-11-23 01:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-23 01:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-23 01:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_device_extension [2018-11-23 01:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_device_extension [2018-11-23 01:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_29 [2018-11-23 01:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_29 [2018-11-23 01:41:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_device_extension [2018-11-23 01:41:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_device_extension [2018-11-23 01:41:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2018-11-23 01:41:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2018-11-23 01:41:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2018-11-23 01:41:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_twa_chrdev_mutex [2018-11-23 01:41:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_twa_chrdev_mutex [2018-11-23 01:41:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2018-11-23 01:41:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2018-11-23 01:41:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi_complete [2018-11-23 01:41:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi_complete [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_12 [2018-11-23 01:41:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_12 [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_bits [2018-11-23 01:41:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_bits [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_srl [2018-11-23 01:41:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_srl [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2018-11-23 01:41:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_copy_to_buffer [2018-11-23 01:41:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_copy_to_buffer [2018-11-23 01:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2018-11-23 01:41:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2018-11-23 01:41:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 01:41:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2018-11-23 01:41:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 01:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2018-11-23 01:41:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2018-11-23 01:41:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 01:41:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 01:41:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2018-11-23 01:41:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_status [2018-11-23 01:41:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_status [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_complete [2018-11-23 01:41:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_complete [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_read_queue [2018-11-23 01:41:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_read_queue [2018-11-23 01:41:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_queue [2018-11-23 01:41:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_queue [2018-11-23 01:41:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2018-11-23 01:41:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2018-11-23 01:41:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2018-11-23 01:41:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 01:41:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 01:41:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 01:41:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:41:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:41:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2018-11-23 01:41:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2018-11-23 01:42:36,964 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:42:36,965 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:42:36,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:36 BoogieIcfgContainer [2018-11-23 01:42:36,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:42:36,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:42:36,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:42:36,967 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:42:36,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:41:20" (1/3) ... [2018-11-23 01:42:36,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616bcb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:42:36, skipping insertion in model container [2018-11-23 01:42:36,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22" (2/3) ... [2018-11-23 01:42:36,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616bcb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:42:36, skipping insertion in model container [2018-11-23 01:42:36,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:36" (3/3) ... [2018-11-23 01:42:36,970 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:42:36,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:42:36,983 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:42:36,995 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:42:37,022 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:42:37,022 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:42:37,022 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:42:37,023 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:42:37,023 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:42:37,023 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:42:37,023 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:42:37,023 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:42:37,023 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:42:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states. [2018-11-23 01:42:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 01:42:37,065 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:42:37,066 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:37,067 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:42:37,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:42:37,071 INFO L82 PathProgramCache]: Analyzing trace with hash -298333033, now seen corresponding path program 1 times [2018-11-23 01:42:37,076 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:42:37,077 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 01:42:37,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:42:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:42:39,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:42:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:42:39,723 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:42:39,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:42:39,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:42:39,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:42:39,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:42:39,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:42:39,752 INFO L87 Difference]: Start difference. First operand 1646 states. Second operand 3 states. [2018-11-23 01:42:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:42:54,929 INFO L93 Difference]: Finished difference Result 4758 states and 6682 transitions. [2018-11-23 01:42:54,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:42:54,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-11-23 01:42:54,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:42:54,967 INFO L225 Difference]: With dead ends: 4758 [2018-11-23 01:42:54,967 INFO L226 Difference]: Without dead ends: 3116 [2018-11-23 01:42:54,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 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 01:42:54,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3116 states. [2018-11-23 01:42:55,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3116 to 3070. [2018-11-23 01:42:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3070 states. [2018-11-23 01:42:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4282 transitions. [2018-11-23 01:42:55,145 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4282 transitions. Word has length 172 [2018-11-23 01:42:55,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:42:55,146 INFO L480 AbstractCegarLoop]: Abstraction has 3070 states and 4282 transitions. [2018-11-23 01:42:55,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:42:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4282 transitions. [2018-11-23 01:42:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 01:42:55,151 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:42:55,151 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:55,151 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:42:55,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:42:55,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1284821587, now seen corresponding path program 1 times [2018-11-23 01:42:55,153 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:42:55,154 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 01:42:55,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:42:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:42:57,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:42:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:42:57,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:42:57,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:42:57,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:42:57,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:42:57,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:42:57,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:42:57,510 INFO L87 Difference]: Start difference. First operand 3070 states and 4282 transitions. Second operand 3 states. [2018-11-23 01:42:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:42:57,586 INFO L93 Difference]: Finished difference Result 3072 states and 4283 transitions. [2018-11-23 01:42:57,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:42:57,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-11-23 01:42:57,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:42:57,600 INFO L225 Difference]: With dead ends: 3072 [2018-11-23 01:42:57,600 INFO L226 Difference]: Without dead ends: 3069 [2018-11-23 01:42:57,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 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 01:42:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2018-11-23 01:42:57,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 3069. [2018-11-23 01:42:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3069 states. [2018-11-23 01:42:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 4280 transitions. [2018-11-23 01:42:57,711 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 4280 transitions. Word has length 173 [2018-11-23 01:42:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:42:57,712 INFO L480 AbstractCegarLoop]: Abstraction has 3069 states and 4280 transitions. [2018-11-23 01:42:57,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:42:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 4280 transitions. [2018-11-23 01:42:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 01:42:57,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:42:57,715 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:57,715 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:42:57,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:42:57,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1174268448, now seen corresponding path program 1 times [2018-11-23 01:42:57,718 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:42:57,718 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/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 01:42:57,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:00,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:43:00,199 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:00,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:00,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:00,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:00,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:00,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:00,209 INFO L87 Difference]: Start difference. First operand 3069 states and 4280 transitions. Second operand 3 states. [2018-11-23 01:43:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:00,479 INFO L93 Difference]: Finished difference Result 9067 states and 12685 transitions. [2018-11-23 01:43:00,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:00,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-11-23 01:43:00,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:00,509 INFO L225 Difference]: With dead ends: 9067 [2018-11-23 01:43:00,509 INFO L226 Difference]: Without dead ends: 6037 [2018-11-23 01:43:00,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 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 01:43:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2018-11-23 01:43:00,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 6023. [2018-11-23 01:43:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6023 states. [2018-11-23 01:43:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 8428 transitions. [2018-11-23 01:43:00,782 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 8428 transitions. Word has length 174 [2018-11-23 01:43:00,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:00,783 INFO L480 AbstractCegarLoop]: Abstraction has 6023 states and 8428 transitions. [2018-11-23 01:43:00,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 8428 transitions. [2018-11-23 01:43:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 01:43:00,785 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:00,785 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:00,785 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:00,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:00,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2042093302, now seen corresponding path program 1 times [2018-11-23 01:43:00,788 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:00,788 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:00,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:03,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:43:03,136 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:03,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:03,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:03,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:03,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:03,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:03,143 INFO L87 Difference]: Start difference. First operand 6023 states and 8428 transitions. Second operand 3 states. [2018-11-23 01:43:03,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:03,314 INFO L93 Difference]: Finished difference Result 6025 states and 8429 transitions. [2018-11-23 01:43:03,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:03,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2018-11-23 01:43:03,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:03,343 INFO L225 Difference]: With dead ends: 6025 [2018-11-23 01:43:03,343 INFO L226 Difference]: Without dead ends: 6022 [2018-11-23 01:43:03,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 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 01:43:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6022 states. [2018-11-23 01:43:03,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6022 to 6022. [2018-11-23 01:43:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6022 states. [2018-11-23 01:43:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6022 states to 6022 states and 8426 transitions. [2018-11-23 01:43:03,590 INFO L78 Accepts]: Start accepts. Automaton has 6022 states and 8426 transitions. Word has length 175 [2018-11-23 01:43:03,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:03,591 INFO L480 AbstractCegarLoop]: Abstraction has 6022 states and 8426 transitions. [2018-11-23 01:43:03,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6022 states and 8426 transitions. [2018-11-23 01:43:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 01:43:03,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:03,593 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:03,593 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:03,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:03,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1120102429, now seen corresponding path program 1 times [2018-11-23 01:43:03,595 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:03,596 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:03,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:05,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:43:05,912 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:05,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:05,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:05,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:05,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:05,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:05,921 INFO L87 Difference]: Start difference. First operand 6022 states and 8426 transitions. Second operand 3 states. [2018-11-23 01:43:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:06,084 INFO L93 Difference]: Finished difference Result 6024 states and 8427 transitions. [2018-11-23 01:43:06,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:06,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2018-11-23 01:43:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:06,110 INFO L225 Difference]: With dead ends: 6024 [2018-11-23 01:43:06,110 INFO L226 Difference]: Without dead ends: 6021 [2018-11-23 01:43:06,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 174 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 01:43:06,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6021 states. [2018-11-23 01:43:06,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6021 to 6021. [2018-11-23 01:43:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6021 states. [2018-11-23 01:43:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6021 states to 6021 states and 8424 transitions. [2018-11-23 01:43:06,356 INFO L78 Accepts]: Start accepts. Automaton has 6021 states and 8424 transitions. Word has length 176 [2018-11-23 01:43:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:06,356 INFO L480 AbstractCegarLoop]: Abstraction has 6021 states and 8424 transitions. [2018-11-23 01:43:06,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:06,356 INFO L276 IsEmpty]: Start isEmpty. Operand 6021 states and 8424 transitions. [2018-11-23 01:43:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 01:43:06,358 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:06,358 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:06,359 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:06,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:06,359 INFO L82 PathProgramCache]: Analyzing trace with hash -363917415, now seen corresponding path program 1 times [2018-11-23 01:43:06,361 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:06,361 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:06,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:09,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:43:09,029 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:09,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:09,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:09,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:09,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:09,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:09,037 INFO L87 Difference]: Start difference. First operand 6021 states and 8424 transitions. Second operand 3 states. [2018-11-23 01:43:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:09,188 INFO L93 Difference]: Finished difference Result 8085 states and 11247 transitions. [2018-11-23 01:43:09,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:09,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2018-11-23 01:43:09,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:09,213 INFO L225 Difference]: With dead ends: 8085 [2018-11-23 01:43:09,214 INFO L226 Difference]: Without dead ends: 8067 [2018-11-23 01:43:09,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 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 01:43:09,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8067 states. [2018-11-23 01:43:09,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8067 to 8046. [2018-11-23 01:43:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8046 states. [2018-11-23 01:43:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8046 states to 8046 states and 11198 transitions. [2018-11-23 01:43:09,434 INFO L78 Accepts]: Start accepts. Automaton has 8046 states and 11198 transitions. Word has length 177 [2018-11-23 01:43:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:09,435 INFO L480 AbstractCegarLoop]: Abstraction has 8046 states and 11198 transitions. [2018-11-23 01:43:09,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 8046 states and 11198 transitions. [2018-11-23 01:43:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 01:43:09,438 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:09,438 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:09,438 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:09,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:09,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1880001852, now seen corresponding path program 1 times [2018-11-23 01:43:09,440 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:09,441 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:09,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:11,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-11-23 01:43:11,581 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:11,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:11,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:11,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:11,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:11,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:11,589 INFO L87 Difference]: Start difference. First operand 8046 states and 11198 transitions. Second operand 3 states. [2018-11-23 01:43:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:26,306 INFO L93 Difference]: Finished difference Result 22145 states and 30956 transitions. [2018-11-23 01:43:26,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:26,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2018-11-23 01:43:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:26,359 INFO L225 Difference]: With dead ends: 22145 [2018-11-23 01:43:26,359 INFO L226 Difference]: Without dead ends: 14138 [2018-11-23 01:43:26,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 01:43:26,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14138 states. [2018-11-23 01:43:26,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14138 to 14012. [2018-11-23 01:43:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14012 states. [2018-11-23 01:43:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14012 states to 14012 states and 19667 transitions. [2018-11-23 01:43:26,949 INFO L78 Accepts]: Start accepts. Automaton has 14012 states and 19667 transitions. Word has length 214 [2018-11-23 01:43:26,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:26,950 INFO L480 AbstractCegarLoop]: Abstraction has 14012 states and 19667 transitions. [2018-11-23 01:43:26,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14012 states and 19667 transitions. [2018-11-23 01:43:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 01:43:26,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:26,958 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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 01:43:26,958 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:26,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:26,959 INFO L82 PathProgramCache]: Analyzing trace with hash -781281592, now seen corresponding path program 1 times [2018-11-23 01:43:26,961 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:26,961 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:26,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:29,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-11-23 01:43:29,306 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:29,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:29,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:29,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:29,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:29,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:29,314 INFO L87 Difference]: Start difference. First operand 14012 states and 19667 transitions. Second operand 3 states. [2018-11-23 01:43:44,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:44,287 INFO L93 Difference]: Finished difference Result 38159 states and 53553 transitions. [2018-11-23 01:43:44,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:44,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2018-11-23 01:43:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:44,345 INFO L225 Difference]: With dead ends: 38159 [2018-11-23 01:43:44,345 INFO L226 Difference]: Without dead ends: 24186 [2018-11-23 01:43:44,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 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 01:43:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24186 states. [2018-11-23 01:43:44,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24186 to 22314. [2018-11-23 01:43:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22314 states. [2018-11-23 01:43:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22314 states to 22314 states and 31311 transitions. [2018-11-23 01:43:44,971 INFO L78 Accepts]: Start accepts. Automaton has 22314 states and 31311 transitions. Word has length 274 [2018-11-23 01:43:44,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:44,971 INFO L480 AbstractCegarLoop]: Abstraction has 22314 states and 31311 transitions. [2018-11-23 01:43:44,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 22314 states and 31311 transitions. [2018-11-23 01:43:44,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 01:43:44,982 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:44,983 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:43:44,983 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:44,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:44,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1040342213, now seen corresponding path program 1 times [2018-11-23 01:43:44,986 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:44,986 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 10 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 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:45,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:47,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-23 01:43:47,192 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:47,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:47,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:47,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:47,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:47,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:47,200 INFO L87 Difference]: Start difference. First operand 22314 states and 31311 transitions. Second operand 3 states. [2018-11-23 01:43:47,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:47,838 INFO L93 Difference]: Finished difference Result 44609 states and 62612 transitions. [2018-11-23 01:43:47,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:47,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2018-11-23 01:43:47,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:47,927 INFO L225 Difference]: With dead ends: 44609 [2018-11-23 01:43:47,927 INFO L226 Difference]: Without dead ends: 22342 [2018-11-23 01:43:47,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:47,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22342 states. [2018-11-23 01:43:48,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22342 to 22328. [2018-11-23 01:43:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22328 states. [2018-11-23 01:43:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22328 states to 22328 states and 31303 transitions. [2018-11-23 01:43:48,864 INFO L78 Accepts]: Start accepts. Automaton has 22328 states and 31303 transitions. Word has length 310 [2018-11-23 01:43:48,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:48,864 INFO L480 AbstractCegarLoop]: Abstraction has 22328 states and 31303 transitions. [2018-11-23 01:43:48,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 22328 states and 31303 transitions. [2018-11-23 01:43:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 01:43:48,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:48,874 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:43:48,874 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:48,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:48,874 INFO L82 PathProgramCache]: Analyzing trace with hash -800102467, now seen corresponding path program 1 times [2018-11-23 01:43:48,876 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:48,876 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:48,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:51,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-23 01:43:51,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:51,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:51,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:43:51,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:43:51,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:43:51,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:43:51,278 INFO L87 Difference]: Start difference. First operand 22328 states and 31303 transitions. Second operand 7 states. [2018-11-23 01:43:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:51,829 INFO L93 Difference]: Finished difference Result 45307 states and 63708 transitions. [2018-11-23 01:43:51,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:43:51,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2018-11-23 01:43:51,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:51,891 INFO L225 Difference]: With dead ends: 45307 [2018-11-23 01:43:51,891 INFO L226 Difference]: Without dead ends: 23026 [2018-11-23 01:43:51,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:43:51,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23026 states. [2018-11-23 01:43:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23026 to 22384. [2018-11-23 01:43:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22384 states. [2018-11-23 01:43:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22384 states to 22384 states and 31383 transitions. [2018-11-23 01:43:52,488 INFO L78 Accepts]: Start accepts. Automaton has 22384 states and 31383 transitions. Word has length 310 [2018-11-23 01:43:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:52,489 INFO L480 AbstractCegarLoop]: Abstraction has 22384 states and 31383 transitions. [2018-11-23 01:43:52,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:43:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 22384 states and 31383 transitions. [2018-11-23 01:43:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 01:43:52,498 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:52,498 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:43:52,498 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:52,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:52,499 INFO L82 PathProgramCache]: Analyzing trace with hash -284582018, now seen corresponding path program 1 times [2018-11-23 01:43:52,500 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:43:52,501 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3518be1e-7506-4c50-8f6f-d1b28ad47626/bin-2019/utaipan/cvc4nyu Starting monitored process 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:43:52,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:54,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-23 01:43:55,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:43:55,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:55,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:43:55,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:43:55,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:43:55,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:43:55,022 INFO L87 Difference]: Start difference. First operand 22384 states and 31383 transitions. Second operand 6 states. [2018-11-23 01:44:00,910 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 01:44:00,911 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:651) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:255) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-23 01:44:00,914 INFO L168 Benchmark]: Toolchain (without parser) took 160445.38 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 932.4 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 536.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:00,915 INFO L168 Benchmark]: CDTParser took 0.17 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 01:44:00,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2484.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 932.4 MB in the beginning and 862.1 MB in the end (delta: 70.3 MB). Peak memory consumption was 271.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:00,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.45 ms. Allocated memory is still 1.2 GB. Free memory was 862.1 MB in the beginning and 856.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:00,916 INFO L168 Benchmark]: Boogie Preprocessor took 309.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.9 MB). Free memory was 856.5 MB in the beginning and 1.2 GB in the end (delta: -326.7 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:00,917 INFO L168 Benchmark]: RCFGBuilder took 73608.44 ms. Allocated memory was 1.3 GB in the beginning and 3.2 GB in the end (delta: 1.9 GB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-11-23 01:44:00,917 INFO L168 Benchmark]: TraceAbstraction took 83947.84 ms. Allocated memory was 3.2 GB in the beginning and 3.5 GB in the end (delta: 245.9 MB). Free memory was 2.2 GB in the beginning and 2.9 GB in the end (delta: -665.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:00,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 2484.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 932.4 MB in the beginning and 862.1 MB in the end (delta: 70.3 MB). Peak memory consumption was 271.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.45 ms. Allocated memory is still 1.2 GB. Free memory was 862.1 MB in the beginning and 856.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 309.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.9 MB). Free memory was 856.5 MB in the beginning and 1.2 GB in the end (delta: -326.7 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 73608.44 ms. Allocated memory was 1.3 GB in the beginning and 3.2 GB in the end (delta: 1.9 GB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * TraceAbstraction took 83947.84 ms. Allocated memory was 3.2 GB in the beginning and 3.5 GB in the end (delta: 245.9 MB). Free memory was 2.2 GB in the beginning and 2.9 GB in the end (delta: -665.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...