./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:49:55,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:49:55,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:49:55,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:49:55,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:49:55,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:49:55,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:49:55,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:49:55,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:49:55,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:49:55,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:49:55,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:49:55,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:49:55,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:49:55,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:49:55,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:49:55,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:49:55,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:49:55,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:49:55,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:49:55,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:49:55,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:49:55,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:49:55,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:49:55,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:49:55,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:49:55,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:49:55,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:49:55,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:49:55,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:49:55,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:49:55,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:49:55,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:49:55,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:49:55,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:49:55,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:49:55,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:49:55,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:49:55,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:49:55,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:49:55,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:49:55,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:49:55,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:49:55,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:49:55,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:49:55,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:49:55,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:49:55,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:49:55,855 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:49:55,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:49:55,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:49:55,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:49:55,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:49:55,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:49:55,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:49:55,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:49:55,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:49:55,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:49:55,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:49:55,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:49:55,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:49:55,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:49:55,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:49:55,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:49:55,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:55,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:49:55,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:49:55,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:49:55,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:49:55,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:49:55,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:49:55,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:49:55,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:49:55,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:49:55,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-10-21 19:49:56,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:49:56,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:49:56,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:49:56,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:49:56,225 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:49:56,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-21 19:49:56,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/588290f58/e664c937d5b1400f9623586cb9982825/FLAGe216c068c [2021-10-21 19:49:57,229 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:49:57,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-21 19:49:57,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/588290f58/e664c937d5b1400f9623586cb9982825/FLAGe216c068c [2021-10-21 19:49:57,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/588290f58/e664c937d5b1400f9623586cb9982825 [2021-10-21 19:49:57,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:49:57,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:49:57,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:57,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:49:57,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:49:57,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:57" (1/1) ... [2021-10-21 19:49:57,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed01c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:57, skipping insertion in model container [2021-10-21 19:49:57,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:57" (1/1) ... [2021-10-21 19:49:57,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:49:57,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:58,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-21 19:49:59,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:59,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:49:59,747 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-21 19:50:00,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:50:00,174 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:50:00,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00 WrapperNode [2021-10-21 19:50:00,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:50:00,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:50:00,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:50:00,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:50:00,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:50:00,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:50:00,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:50:00,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:50:00,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:50:00,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:50:00,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:50:00,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:50:00,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (1/1) ... [2021-10-21 19:50:00,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:50:00,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:00,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:50:00,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:50:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:50:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-21 19:50:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:50:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:50:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:50:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:50:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:50:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:50:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:50:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:50:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:50:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:50:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:50:06,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:50:06,943 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-21 19:50:06,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:50:06 BoogieIcfgContainer [2021-10-21 19:50:06,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:50:06,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:50:06,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:50:06,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:50:06,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:49:57" (1/3) ... [2021-10-21 19:50:06,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101cf12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:50:06, skipping insertion in model container [2021-10-21 19:50:06,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:00" (2/3) ... [2021-10-21 19:50:06,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101cf12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:50:06, skipping insertion in model container [2021-10-21 19:50:06,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:50:06" (3/3) ... [2021-10-21 19:50:06,962 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-21 19:50:06,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:50:06,969 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-21 19:50:07,082 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:50:07,090 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:50:07,090 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-21 19:50:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:50:07,150 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:07,151 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:07,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:07,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:07,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-21 19:50:07,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:07,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530696439] [2021-10-21 19:50:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:07,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:07,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:07,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530696439] [2021-10-21 19:50:07,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530696439] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:07,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:07,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:50:07,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483139123] [2021-10-21 19:50:07,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:50:07,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:07,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:50:07,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:50:07,782 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:07,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:07,874 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-21 19:50:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:50:07,876 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:50:07,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:07,915 INFO L225 Difference]: With dead ends: 1205 [2021-10-21 19:50:07,915 INFO L226 Difference]: Without dead ends: 593 [2021-10-21 19:50:07,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:50:07,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-21 19:50:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-21 19:50:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-21 19:50:08,049 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-21 19:50:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:08,050 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-21 19:50:08,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-21 19:50:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:50:08,051 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:08,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:08,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:50:08,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:08,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:08,056 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-21 19:50:08,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:08,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141046841] [2021-10-21 19:50:08,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:08,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:08,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:08,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141046841] [2021-10-21 19:50:08,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141046841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:08,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:08,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:50:08,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634123056] [2021-10-21 19:50:08,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:08,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:08,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:08,290 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:08,371 INFO L93 Difference]: Finished difference Result 1185 states and 1376 transitions. [2021-10-21 19:50:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:50:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:08,378 INFO L225 Difference]: With dead ends: 1185 [2021-10-21 19:50:08,378 INFO L226 Difference]: Without dead ends: 597 [2021-10-21 19:50:08,383 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:08,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-10-21 19:50:08,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2021-10-21 19:50:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 533 states have (on average 1.2945590994371483) internal successors, (690), 594 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 690 transitions. [2021-10-21 19:50:08,407 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 690 transitions. Word has length 11 [2021-10-21 19:50:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:08,408 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 690 transitions. [2021-10-21 19:50:08,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 690 transitions. [2021-10-21 19:50:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:50:08,409 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:08,409 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:08,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:50:08,410 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:08,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2021-10-21 19:50:08,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:08,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969238736] [2021-10-21 19:50:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:08,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:08,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:08,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969238736] [2021-10-21 19:50:08,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969238736] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:08,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538370277] [2021-10-21 19:50:08,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:08,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:08,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:08,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:50:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:08,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:50:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:09,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538370277] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:09,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:09,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-21 19:50:09,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288527873] [2021-10-21 19:50:09,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:50:09,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:09,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:50:09,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:09,111 INFO L87 Difference]: Start difference. First operand 595 states and 690 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:09,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:09,221 INFO L93 Difference]: Finished difference Result 1188 states and 1378 transitions. [2021-10-21 19:50:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:50:09,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-21 19:50:09,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:09,232 INFO L225 Difference]: With dead ends: 1188 [2021-10-21 19:50:09,233 INFO L226 Difference]: Without dead ends: 599 [2021-10-21 19:50:09,239 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:09,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-21 19:50:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2021-10-21 19:50:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-21 19:50:09,272 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 15 [2021-10-21 19:50:09,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:09,273 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-21 19:50:09,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-21 19:50:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:50:09,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:09,275 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:09,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:09,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:09,499 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:09,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2021-10-21 19:50:09,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:09,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441377452] [2021-10-21 19:50:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:09,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:09,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:09,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441377452] [2021-10-21 19:50:09,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441377452] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:09,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200389984] [2021-10-21 19:50:09,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:50:09,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:09,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:09,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:50:12,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:50:12,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:50:12,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:50:12,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:12,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200389984] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:12,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:12,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 19:50:12,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202481361] [2021-10-21 19:50:12,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:50:12,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:12,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:50:12,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:12,968 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:13,052 INFO L93 Difference]: Finished difference Result 1190 states and 1380 transitions. [2021-10-21 19:50:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:50:13,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:50:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:13,057 INFO L225 Difference]: With dead ends: 1190 [2021-10-21 19:50:13,058 INFO L226 Difference]: Without dead ends: 601 [2021-10-21 19:50:13,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2021-10-21 19:50:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2021-10-21 19:50:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 537 states have (on average 1.2923649906890131) internal successors, (694), 598 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 694 transitions. [2021-10-21 19:50:13,081 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 694 transitions. Word has length 17 [2021-10-21 19:50:13,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:13,082 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 694 transitions. [2021-10-21 19:50:13,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 694 transitions. [2021-10-21 19:50:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:50:13,083 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:13,083 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:13,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:13,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:13,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:13,310 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2021-10-21 19:50:13,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:13,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912377139] [2021-10-21 19:50:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:13,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:13,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:13,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912377139] [2021-10-21 19:50:13,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912377139] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:13,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788752915] [2021-10-21 19:50:13,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:50:13,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:13,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:13,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:50:25,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-21 19:50:25,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:50:25,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:50:25,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:25,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788752915] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:25,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:25,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-21 19:50:25,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160515462] [2021-10-21 19:50:25,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:50:25,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:25,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:50:25,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:50:25,135 INFO L87 Difference]: Start difference. First operand 599 states and 694 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:25,223 INFO L93 Difference]: Finished difference Result 1192 states and 1382 transitions. [2021-10-21 19:50:25,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:50:25,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 19:50:25,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:25,228 INFO L225 Difference]: With dead ends: 1192 [2021-10-21 19:50:25,228 INFO L226 Difference]: Without dead ends: 603 [2021-10-21 19:50:25,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:50:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-10-21 19:50:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2021-10-21 19:50:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 539 states have (on average 1.2912801484230056) internal successors, (696), 600 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 696 transitions. [2021-10-21 19:50:25,251 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 696 transitions. Word has length 19 [2021-10-21 19:50:25,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:25,251 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 696 transitions. [2021-10-21 19:50:25,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 696 transitions. [2021-10-21 19:50:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:50:25,253 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:25,253 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:25,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:25,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:25,469 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:25,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:25,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2021-10-21 19:50:25,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:25,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730085584] [2021-10-21 19:50:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:25,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:25,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:25,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730085584] [2021-10-21 19:50:25,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730085584] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:25,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048020206] [2021-10-21 19:50:25,648 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:50:25,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:25,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:25,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:50:25,880 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:50:25,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:50:25,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:50:25,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:25,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048020206] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:25,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:25,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-21 19:50:25,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425606484] [2021-10-21 19:50:25,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:50:25,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:25,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:50:25,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:50:25,967 INFO L87 Difference]: Start difference. First operand 601 states and 696 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:26,054 INFO L93 Difference]: Finished difference Result 1194 states and 1384 transitions. [2021-10-21 19:50:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:50:26,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-21 19:50:26,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:26,059 INFO L225 Difference]: With dead ends: 1194 [2021-10-21 19:50:26,059 INFO L226 Difference]: Without dead ends: 605 [2021-10-21 19:50:26,060 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:50:26,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-21 19:50:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 603. [2021-10-21 19:50:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 541 states have (on average 1.2902033271719038) internal successors, (698), 602 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 698 transitions. [2021-10-21 19:50:26,080 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 698 transitions. Word has length 21 [2021-10-21 19:50:26,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:26,080 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 698 transitions. [2021-10-21 19:50:26,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 698 transitions. [2021-10-21 19:50:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 19:50:26,082 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:26,082 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:26,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-21 19:50:26,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:26,304 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:26,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2021-10-21 19:50:26,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:26,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616025292] [2021-10-21 19:50:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:26,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:26,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:26,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616025292] [2021-10-21 19:50:26,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616025292] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:26,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340412397] [2021-10-21 19:50:26,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:50:26,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:26,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:26,601 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:26,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:50:27,040 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-21 19:50:27,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:50:27,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:50:27,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:27,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340412397] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:27,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:27,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-21 19:50:27,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792731893] [2021-10-21 19:50:27,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:50:27,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:27,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:50:27,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:50:27,151 INFO L87 Difference]: Start difference. First operand 603 states and 698 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:27,244 INFO L93 Difference]: Finished difference Result 1196 states and 1386 transitions. [2021-10-21 19:50:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:50:27,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-21 19:50:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:27,248 INFO L225 Difference]: With dead ends: 1196 [2021-10-21 19:50:27,249 INFO L226 Difference]: Without dead ends: 607 [2021-10-21 19:50:27,250 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 45.8ms TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:50:27,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-10-21 19:50:27,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2021-10-21 19:50:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.289134438305709) internal successors, (700), 604 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 700 transitions. [2021-10-21 19:50:27,269 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 700 transitions. Word has length 23 [2021-10-21 19:50:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:27,270 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 700 transitions. [2021-10-21 19:50:27,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 700 transitions. [2021-10-21 19:50:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:50:27,271 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:27,271 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:27,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:27,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:27,497 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2021-10-21 19:50:27,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:27,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538664633] [2021-10-21 19:50:27,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:27,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:27,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:27,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538664633] [2021-10-21 19:50:27,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538664633] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:27,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704894054] [2021-10-21 19:50:27,690 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 19:50:27,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:27,691 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:27,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 19:50:54,440 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-21 19:50:54,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:50:54,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:50:54,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:54,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704894054] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:54,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:54,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-21 19:50:54,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919216175] [2021-10-21 19:50:54,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:50:54,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:54,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:50:54,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:50:54,615 INFO L87 Difference]: Start difference. First operand 605 states and 700 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:54,715 INFO L93 Difference]: Finished difference Result 1198 states and 1388 transitions. [2021-10-21 19:50:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:50:54,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-21 19:50:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:54,720 INFO L225 Difference]: With dead ends: 1198 [2021-10-21 19:50:54,721 INFO L226 Difference]: Without dead ends: 609 [2021-10-21 19:50:54,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 49.7ms TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:50:54,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-10-21 19:50:54,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 607. [2021-10-21 19:50:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 545 states have (on average 1.2880733944954128) internal successors, (702), 606 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 702 transitions. [2021-10-21 19:50:54,747 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 702 transitions. Word has length 25 [2021-10-21 19:50:54,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:54,747 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 702 transitions. [2021-10-21 19:50:54,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 702 transitions. [2021-10-21 19:50:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 19:50:54,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:54,749 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:54,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:54,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:54,973 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:54,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2021-10-21 19:50:54,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:54,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46273641] [2021-10-21 19:50:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:54,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:55,201 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:55,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:55,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46273641] [2021-10-21 19:50:55,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46273641] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:55,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524030440] [2021-10-21 19:50:55,202 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 19:50:55,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:55,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:55,204 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:55,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:50:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:55,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:50:55,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:55,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524030440] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:55,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:55,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-21 19:50:55,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829598210] [2021-10-21 19:50:55,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-21 19:50:55,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:55,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 19:50:55,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:50:55,694 INFO L87 Difference]: Start difference. First operand 607 states and 702 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:55,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:55,797 INFO L93 Difference]: Finished difference Result 1200 states and 1390 transitions. [2021-10-21 19:50:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:50:55,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-21 19:50:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:55,802 INFO L225 Difference]: With dead ends: 1200 [2021-10-21 19:50:55,803 INFO L226 Difference]: Without dead ends: 611 [2021-10-21 19:50:55,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 59.1ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:50:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-10-21 19:50:55,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2021-10-21 19:50:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 547 states have (on average 1.287020109689214) internal successors, (704), 608 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 704 transitions. [2021-10-21 19:50:55,823 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 704 transitions. Word has length 27 [2021-10-21 19:50:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:55,824 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 704 transitions. [2021-10-21 19:50:55,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 704 transitions. [2021-10-21 19:50:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:50:55,825 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:55,825 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:55,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-21 19:50:56,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:56,049 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:50:56,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:56,050 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2021-10-21 19:50:56,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:56,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893366759] [2021-10-21 19:50:56,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:56,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:50:56,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:56,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893366759] [2021-10-21 19:50:56,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893366759] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:56,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615340871] [2021-10-21 19:50:56,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:50:56,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:56,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:56,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 19:51:00,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:51:00,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:51:00,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:51:00,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:51:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:51:00,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615340871] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:00,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:51:00,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-21 19:51:00,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377115395] [2021-10-21 19:51:00,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-21 19:51:00,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:00,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 19:51:00,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:51:00,878 INFO L87 Difference]: Start difference. First operand 609 states and 704 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:00,988 INFO L93 Difference]: Finished difference Result 1202 states and 1392 transitions. [2021-10-21 19:51:00,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:51:00,989 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-21 19:51:00,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:00,993 INFO L225 Difference]: With dead ends: 1202 [2021-10-21 19:51:00,993 INFO L226 Difference]: Without dead ends: 613 [2021-10-21 19:51:00,995 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 80.3ms TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:51:00,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-21 19:51:01,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2021-10-21 19:51:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 549 states have (on average 1.2859744990892532) internal successors, (706), 610 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 706 transitions. [2021-10-21 19:51:01,046 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 706 transitions. Word has length 29 [2021-10-21 19:51:01,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:01,047 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 706 transitions. [2021-10-21 19:51:01,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 706 transitions. [2021-10-21 19:51:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-21 19:51:01,048 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:01,048 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:01,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:51:01,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 19:51:01,273 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:51:01,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:01,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2021-10-21 19:51:01,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:01,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110365886] [2021-10-21 19:51:01,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:01,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:51:01,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:01,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110365886] [2021-10-21 19:51:01,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110365886] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:01,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865248110] [2021-10-21 19:51:01,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:51:01,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:01,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:01,500 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:51:01,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 19:51:41,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-10-21 19:51:41,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:51:41,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:51:41,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:51:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:51:41,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865248110] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:41,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:51:41,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-21 19:51:41,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940114516] [2021-10-21 19:51:41,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-21 19:51:41,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:41,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 19:51:41,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:51:41,742 INFO L87 Difference]: Start difference. First operand 611 states and 706 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:41,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:41,849 INFO L93 Difference]: Finished difference Result 1203 states and 1393 transitions. [2021-10-21 19:51:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:51:41,849 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-21 19:51:41,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:41,853 INFO L225 Difference]: With dead ends: 1203 [2021-10-21 19:51:41,854 INFO L226 Difference]: Without dead ends: 614 [2021-10-21 19:51:41,857 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 86.6ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:51:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-21 19:51:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2021-10-21 19:51:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2849364791288567) internal successors, (708), 612 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2021-10-21 19:51:41,876 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 31 [2021-10-21 19:51:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:41,877 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2021-10-21 19:51:41,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2021-10-21 19:51:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:51:41,885 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:41,885 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:41,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-21 19:51:42,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:42,101 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:51:42,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:42,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2021-10-21 19:51:42,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:42,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927289865] [2021-10-21 19:51:42,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:42,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:51:43,089 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:51:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:51:43,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:51:43,946 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:51:43,947 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:43,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:51:43,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:51:44,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:51:44 BoogieIcfgContainer [2021-10-21 19:51:44,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:51:44,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:51:44,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:51:44,256 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:51:44,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:50:06" (3/4) ... [2021-10-21 19:51:44,260 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:51:44,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:51:44,262 INFO L168 Benchmark]: Toolchain (without parser) took 106498.56 ms. Allocated memory was 102.8 MB in the beginning and 272.6 MB in the end (delta: 169.9 MB). Free memory was 65.6 MB in the beginning and 94.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 141.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,263 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 57.2 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:51:44,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2410.47 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 65.2 MB in the beginning and 74.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 332.66 ms. Allocated memory is still 140.5 MB. Free memory was 74.5 MB in the beginning and 97.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,264 INFO L168 Benchmark]: Boogie Preprocessor took 210.41 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 86.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,265 INFO L168 Benchmark]: RCFGBuilder took 6224.95 ms. Allocated memory was 140.5 MB in the beginning and 220.2 MB in the end (delta: 79.7 MB). Free memory was 86.2 MB in the beginning and 44.5 MB in the end (delta: 41.8 MB). Peak memory consumption was 131.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,265 INFO L168 Benchmark]: TraceAbstraction took 97302.47 ms. Allocated memory was 220.2 MB in the beginning and 272.6 MB in the end (delta: 52.4 MB). Free memory was 43.4 MB in the beginning and 96.0 MB in the end (delta: -52.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,266 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 272.6 MB. Free memory was 96.0 MB in the beginning and 94.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:44,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 57.2 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2410.47 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 65.2 MB in the beginning and 74.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 332.66 ms. Allocated memory is still 140.5 MB. Free memory was 74.5 MB in the beginning and 97.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 210.41 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 86.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6224.95 ms. Allocated memory was 140.5 MB in the beginning and 220.2 MB in the end (delta: 79.7 MB). Free memory was 86.2 MB in the beginning and 44.5 MB in the end (delta: 41.8 MB). Peak memory consumption was 131.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 97302.47 ms. Allocated memory was 220.2 MB in the beginning and 272.6 MB in the end (delta: 52.4 MB). Free memory was 43.4 MB in the beginning and 96.0 MB in the end (delta: -52.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.63 ms. Allocated memory is still 272.6 MB. Free memory was 96.0 MB in the beginning and 94.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1486. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={-1:7}, ={0:0}, ={0:0}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 96897.1ms, OverallIterations: 12, TraceHistogramMax: 10, EmptinessCheckTime: 42.0ms, AutomataDifference: 1233.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7532 SDtfs, 11632 SDslu, 8838 SDs, 0 SdLazy, 248 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 417.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 419.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=11, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 352.6ms AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 517.1ms SsaConstructionTime, 86979.2ms SatisfiabilityAnalysisTime, 2692.7ms InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5813 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 19:51:44,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:51:47,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:51:47,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:51:47,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:51:47,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:51:47,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:51:47,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:51:47,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:51:47,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:51:47,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:51:47,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:51:47,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:51:47,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:51:47,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:51:47,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:51:47,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:51:47,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:51:47,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:51:47,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:51:47,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:51:47,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:51:47,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:51:47,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:51:47,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:51:47,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:51:47,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:51:47,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:51:47,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:51:47,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:51:47,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:51:47,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:51:47,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:51:47,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:51:47,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:51:47,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:51:47,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:51:47,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:51:47,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:51:47,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:51:47,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:51:47,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:51:47,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:51:47,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:51:47,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:51:47,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:51:47,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:51:47,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:51:47,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:51:47,175 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:51:47,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:51:47,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:51:47,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:51:47,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:51:47,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:51:47,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:51:47,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:51:47,177 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:51:47,177 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:51:47,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:51:47,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:51:47,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:51:47,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:51:47,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:51:47,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:51:47,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:51:47,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:47,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:51:47,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:51:47,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:51:47,180 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:51:47,180 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:51:47,181 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:51:47,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:51:47,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:51:47,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:51:47,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:51:47,182 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-10-21 19:51:47,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:51:47,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:51:47,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:51:47,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:51:47,692 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:51:47,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-21 19:51:47,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/053add537/4829fdb437354f52ae6816d05d8494bd/FLAG0fc606417 [2021-10-21 19:51:48,645 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:51:48,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-21 19:51:48,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/053add537/4829fdb437354f52ae6816d05d8494bd/FLAG0fc606417 [2021-10-21 19:51:48,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/data/053add537/4829fdb437354f52ae6816d05d8494bd [2021-10-21 19:51:48,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:51:48,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:51:48,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:48,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:51:48,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:51:48,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:48" (1/1) ... [2021-10-21 19:51:48,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e29ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:48, skipping insertion in model container [2021-10-21 19:51:48,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:48" (1/1) ... [2021-10-21 19:51:48,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:51:48,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:51:49,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-21 19:51:50,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:50,320 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:51:50,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-21 19:51:50,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:50,859 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:51:50,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50 WrapperNode [2021-10-21 19:51:50,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:50,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:50,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:51:50,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:51:50,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:50,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:51,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:51:51,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:51:51,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:51:51,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:51:51,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:51:51,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:51:51,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:51:51,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (1/1) ... [2021-10-21 19:51:51,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:51,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:51,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:51:51,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:51:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:51:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-21 19:51:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:51:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-21 19:51:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:51:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:51:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:51:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:51:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-21 19:51:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:51:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-21 19:51:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:51:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:51:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:51:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-21 19:51:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-21 19:51:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-21 19:51:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:51:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:51:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:52:00,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:52:00,220 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-21 19:52:00,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:00 BoogieIcfgContainer [2021-10-21 19:52:00,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:52:00,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:52:00,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:52:00,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:52:00,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:51:48" (1/3) ... [2021-10-21 19:52:00,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0d9a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:52:00, skipping insertion in model container [2021-10-21 19:52:00,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:50" (2/3) ... [2021-10-21 19:52:00,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0d9a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:52:00, skipping insertion in model container [2021-10-21 19:52:00,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:00" (3/3) ... [2021-10-21 19:52:00,234 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-21 19:52:00,241 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:52:00,241 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-21 19:52:00,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:52:00,322 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:52:00,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-21 19:52:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:52:00,369 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:00,370 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:00,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:52:00,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:00,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-21 19:52:00,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:00,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115477420] [2021-10-21 19:52:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:00,398 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:00,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:52:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:01,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 19:52:01,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:01,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:01,166 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:01,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115477420] [2021-10-21 19:52:01,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115477420] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:01,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:01,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:52:01,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765439838] [2021-10-21 19:52:01,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:52:01,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:01,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:52:01,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:52:01,197 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:01,329 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-21 19:52:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:52:01,330 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:52:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:01,413 INFO L225 Difference]: With dead ends: 1205 [2021-10-21 19:52:01,413 INFO L226 Difference]: Without dead ends: 593 [2021-10-21 19:52:01,420 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:52:01,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-21 19:52:01,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-21 19:52:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-21 19:52:01,583 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-21 19:52:01,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:01,583 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-21 19:52:01,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-21 19:52:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:52:01,584 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:01,584 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:01,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:01,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:01,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:52:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-21 19:52:01,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:01,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855100343] [2021-10-21 19:52:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:01,806 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:01,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:01,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:01,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:52:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:02,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:52:02,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:02,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:02,597 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:02,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855100343] [2021-10-21 19:52:02,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855100343] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:02,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:02,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-21 19:52:02,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363817167] [2021-10-21 19:52:02,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:52:02,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:02,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:52:02,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:02,609 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:02,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:02,886 INFO L93 Difference]: Finished difference Result 1772 states and 2058 transitions. [2021-10-21 19:52:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:52:02,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:52:02,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:02,901 INFO L225 Difference]: With dead ends: 1772 [2021-10-21 19:52:02,902 INFO L226 Difference]: Without dead ends: 1184 [2021-10-21 19:52:02,907 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:02,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-10-21 19:52:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 597. [2021-10-21 19:52:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-21 19:52:02,960 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 11 [2021-10-21 19:52:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:02,961 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-21 19:52:02,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-21 19:52:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:52:02,962 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:02,962 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:02,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:03,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:03,180 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:52:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:03,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-10-21 19:52:03,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:03,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805957838] [2021-10-21 19:52:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:03,184 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:03,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:03,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:52:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:03,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:52:03,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:52:03,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:52:04,050 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:04,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805957838] [2021-10-21 19:52:04,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805957838] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:52:04,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:52:04,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 19:52:04,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987261531] [2021-10-21 19:52:04,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:52:04,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:04,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:52:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:52:04,062 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:04,409 INFO L93 Difference]: Finished difference Result 1194 states and 1387 transitions. [2021-10-21 19:52:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:52:04,410 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:52:04,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:04,415 INFO L225 Difference]: With dead ends: 1194 [2021-10-21 19:52:04,415 INFO L226 Difference]: Without dead ends: 605 [2021-10-21 19:52:04,417 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 140.6ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:52:04,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-21 19:52:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-10-21 19:52:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.287292817679558) internal successors, (699), 604 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 699 transitions. [2021-10-21 19:52:04,445 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 699 transitions. Word has length 17 [2021-10-21 19:52:04,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:04,446 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 699 transitions. [2021-10-21 19:52:04,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 699 transitions. [2021-10-21 19:52:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:52:04,447 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:04,448 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:04,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:04,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:04,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:52:04,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-10-21 19:52:04,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:04,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106020656] [2021-10-21 19:52:04,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:52:04,673 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:04,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:04,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:52:18,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:52:18,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:52:18,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:52:18,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:52:19,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:52:19,467 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:19,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106020656] [2021-10-21 19:52:19,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106020656] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:52:19,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:52:19,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-21 19:52:19,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135357298] [2021-10-21 19:52:19,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-21 19:52:19,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-21 19:52:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-21 19:52:19,470 INFO L87 Difference]: Start difference. First operand 605 states and 699 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:20,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:20,268 INFO L93 Difference]: Finished difference Result 1202 states and 1393 transitions. [2021-10-21 19:52:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:52:20,269 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-21 19:52:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:20,274 INFO L225 Difference]: With dead ends: 1202 [2021-10-21 19:52:20,275 INFO L226 Difference]: Without dead ends: 613 [2021-10-21 19:52:20,276 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 375.1ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-21 19:52:20,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-21 19:52:20,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-10-21 19:52:20,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2831215970961887) internal successors, (707), 612 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 707 transitions. [2021-10-21 19:52:20,303 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 707 transitions. Word has length 25 [2021-10-21 19:52:20,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:20,303 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 707 transitions. [2021-10-21 19:52:20,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:20,304 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 707 transitions. [2021-10-21 19:52:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:52:20,305 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:20,306 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:20,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:20,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:20,506 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-21 19:52:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:20,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-10-21 19:52:20,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:20,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110085606] [2021-10-21 19:52:20,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:52:20,509 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:20,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:20,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:20,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:52:37,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-21 19:52:37,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:52:37,848 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:47,958 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:52:47,959 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:52:47,960 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:47,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:48,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:48,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:48,204 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:52:48,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:52:48 BoogieIcfgContainer [2021-10-21 19:52:48,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:52:48,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:52:48,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:52:48,511 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:52:48,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:00" (3/4) ... [2021-10-21 19:52:48,515 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:52:48,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:52:48,517 INFO L168 Benchmark]: Toolchain (without parser) took 59794.15 ms. Allocated memory was 65.0 MB in the beginning and 237.0 MB in the end (delta: 172.0 MB). Free memory was 40.4 MB in the beginning and 175.0 MB in the end (delta: -134.7 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:48,517 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:48,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2137.92 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 40.2 MB in the beginning and 55.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:48,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 309.68 ms. Allocated memory is still 92.3 MB. Free memory was 55.9 MB in the beginning and 40.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:48,522 INFO L168 Benchmark]: Boogie Preprocessor took 261.57 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 40.0 MB in the beginning and 87.6 MB in the end (delta: -47.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:48,523 INFO L168 Benchmark]: RCFGBuilder took 8788.76 ms. Allocated memory was 130.0 MB in the beginning and 237.0 MB in the end (delta: 107.0 MB). Free memory was 87.6 MB in the beginning and 99.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 123.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:48,526 INFO L168 Benchmark]: TraceAbstraction took 48283.00 ms. Allocated memory is still 237.0 MB. Free memory was 98.9 MB in the beginning and 175.0 MB in the end (delta: -76.2 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:48,527 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 237.0 MB. Free memory is still 175.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:48,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2137.92 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 40.2 MB in the beginning and 55.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 309.68 ms. Allocated memory is still 92.3 MB. Free memory was 55.9 MB in the beginning and 40.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 261.57 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 40.0 MB in the beginning and 87.6 MB in the end (delta: -47.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8788.76 ms. Allocated memory was 130.0 MB in the beginning and 237.0 MB in the end (delta: 107.0 MB). Free memory was 87.6 MB in the beginning and 99.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 123.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48283.00 ms. Allocated memory is still 237.0 MB. Free memory was 98.9 MB in the beginning and 175.0 MB in the end (delta: -76.2 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.91 ms. Allocated memory is still 237.0 MB. Free memory is still 175.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={-1:8}, ={0:0}, ={-1:7}, ={0:0}, action=0, cdev_registered={-2147483594:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 47898.0ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 16.2ms, AutomataDifference: 1722.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2750 SDtfs, 6141 SDslu, 6794 SDs, 0 SdLazy, 206 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 858.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 531.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 222.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 587 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 247.7ms SsaConstructionTime, 32020.3ms SatisfiabilityAnalysisTime, 1337.0ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 19:52:48,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d02f05-44e5-413c-be18-59f876f7cd33/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...