./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD --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_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD --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-b2eff8b [2021-10-28 22:50:54,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:50:54,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:50:54,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:50:54,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:50:54,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:50:54,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:50:54,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:50:54,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:50:54,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:50:54,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:50:54,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:50:54,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:50:54,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:50:54,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:50:54,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:50:54,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:50:54,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:50:54,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:50:54,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:50:54,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:50:54,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:50:54,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:50:54,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:50:54,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:50:54,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:50:54,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:50:54,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:50:54,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:50:54,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:50:54,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:50:54,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:50:54,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:50:54,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:50:54,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:50:54,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:50:54,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:50:54,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:50:54,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:50:54,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:50:54,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:50:54,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:50:55,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:50:55,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:50:55,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:50:55,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:50:55,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:50:55,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:50:55,046 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:50:55,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:50:55,046 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:50:55,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:50:55,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:50:55,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:50:55,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:50:55,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:50:55,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:50:55,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:50:55,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:50:55,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:50:55,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:50:55,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:50:55,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:50:55,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:50:55,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:50:55,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:50:55,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:50:55,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:50:55,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:50:55,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:50:55,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:50:55,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:50:55,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:50:55,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:50:55,053 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_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-10-28 22:50:55,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:50:55,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:50:55,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:50:55,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:50:55,373 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:50:55,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-28 22:50:55,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/fd941bcab/95c54670db414c8f9fc9820381c658c5/FLAGe60f76c5a [2021-10-28 22:50:56,187 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:50:56,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-28 22:50:56,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/fd941bcab/95c54670db414c8f9fc9820381c658c5/FLAGe60f76c5a [2021-10-28 22:50:56,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/fd941bcab/95c54670db414c8f9fc9820381c658c5 [2021-10-28 22:50:56,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:50:56,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:50:56,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:50:56,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:50:56,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:50:56,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:50:56" (1/1) ... [2021-10-28 22:50:56,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fac201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:56, skipping insertion in model container [2021-10-28 22:50:56,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:50:56" (1/1) ... [2021-10-28 22:50:56,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:50:56,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:50:57,114 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_38777ce4-7a76-487b-9cc7-b28829fd59e6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-28 22:50:58,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:50:58,343 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:50:58,360 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_38777ce4-7a76-487b-9cc7-b28829fd59e6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-28 22:50:58,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:50:58,736 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:50:58,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58 WrapperNode [2021-10-28 22:50:58,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:50:58,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:50:58,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:50:58,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:50:58,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:58,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:58,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:50:58,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:50:58,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:50:58,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:50:59,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:50:59,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:50:59,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:50:59,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:50:59,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (1/1) ... [2021-10-28 22:50:59,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:50:59,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:59,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:59,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:50:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:50:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-28 22:50:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:50:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:50:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 22:50:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:50:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:50:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 22:50:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:50:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 22:50:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 22:50:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:50:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:51:04,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:51:04,303 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-28 22:51:04,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:51:04 BoogieIcfgContainer [2021-10-28 22:51:04,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:51:04,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:51:04,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:51:04,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:51:04,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:50:56" (1/3) ... [2021-10-28 22:51:04,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf855b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:51:04, skipping insertion in model container [2021-10-28 22:51:04,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:58" (2/3) ... [2021-10-28 22:51:04,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf855b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:51:04, skipping insertion in model container [2021-10-28 22:51:04,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:51:04" (3/3) ... [2021-10-28 22:51:04,315 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-28 22:51:04,320 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:51:04,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-28 22:51:04,372 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:51:04,378 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 [2021-10-28 22:51:04,378 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-28 22:51:04,406 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) [2021-10-28 22:51:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 22:51:04,411 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:04,412 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:04,412 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)] === [2021-10-28 22:51:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-28 22:51:04,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:04,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142566900] [2021-10-28 22:51:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:04,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:51:04,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:04,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142566900] [2021-10-28 22:51:04,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142566900] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:51:04,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:51:04,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:51:04,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230263461] [2021-10-28 22:51:04,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:51:04,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:04,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:51:04,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:51:04,899 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) [2021-10-28 22:51:04,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:04,976 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-28 22:51:04,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:51:04,977 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 [2021-10-28 22:51:04,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:04,995 INFO L225 Difference]: With dead ends: 1205 [2021-10-28 22:51:04,995 INFO L226 Difference]: Without dead ends: 593 [2021-10-28 22:51:05,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:51:05,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-28 22:51:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-28 22:51:05,068 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) [2021-10-28 22:51:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-28 22:51:05,072 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-28 22:51:05,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:05,073 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-28 22:51:05,073 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) [2021-10-28 22:51:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-28 22:51:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 22:51:05,074 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:05,074 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:05,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:51:05,075 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)] === [2021-10-28 22:51:05,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:05,076 INFO L85 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-28 22:51:05,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:05,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610766325] [2021-10-28 22:51:05,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:05,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:51:05,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:05,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610766325] [2021-10-28 22:51:05,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610766325] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:51:05,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:51:05,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:51:05,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580200061] [2021-10-28 22:51:05,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:51:05,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:05,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:51:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:51:05,323 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) [2021-10-28 22:51:05,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:05,401 INFO L93 Difference]: Finished difference Result 1185 states and 1376 transitions. [2021-10-28 22:51:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:51:05,402 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 [2021-10-28 22:51:05,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:05,411 INFO L225 Difference]: With dead ends: 1185 [2021-10-28 22:51:05,411 INFO L226 Difference]: Without dead ends: 597 [2021-10-28 22:51:05,412 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:51:05,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-10-28 22:51:05,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2021-10-28 22:51:05,454 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) [2021-10-28 22:51:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 690 transitions. [2021-10-28 22:51:05,457 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 690 transitions. Word has length 11 [2021-10-28 22:51:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:05,459 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 690 transitions. [2021-10-28 22:51:05,459 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) [2021-10-28 22:51:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 690 transitions. [2021-10-28 22:51:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 22:51:05,460 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:05,461 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:05,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:51:05,463 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)] === [2021-10-28 22:51:05,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:05,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2021-10-28 22:51:05,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:05,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476614052] [2021-10-28 22:51:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:05,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:05,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:05,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476614052] [2021-10-28 22:51:05,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476614052] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:05,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136555632] [2021-10-28 22:51:05,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:05,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:05,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:05,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:05,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:51:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:06,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 22:51:06,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:06,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136555632] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:06,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:06,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 22:51:06,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663836224] [2021-10-28 22:51:06,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:51:06,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:06,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:51:06,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:51:06,132 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) [2021-10-28 22:51:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:06,195 INFO L93 Difference]: Finished difference Result 1188 states and 1378 transitions. [2021-10-28 22:51:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:51:06,196 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 [2021-10-28 22:51:06,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:06,202 INFO L225 Difference]: With dead ends: 1188 [2021-10-28 22:51:06,202 INFO L226 Difference]: Without dead ends: 599 [2021-10-28 22:51:06,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:51:06,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-28 22:51:06,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2021-10-28 22:51:06,225 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) [2021-10-28 22:51:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-28 22:51:06,228 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 15 [2021-10-28 22:51:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:06,229 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-28 22:51:06,229 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) [2021-10-28 22:51:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-28 22:51:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 22:51:06,231 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:06,231 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:06,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:06,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:06,447 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)] === [2021-10-28 22:51:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2021-10-28 22:51:06,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:06,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241399608] [2021-10-28 22:51:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:06,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:06,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:06,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241399608] [2021-10-28 22:51:06,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241399608] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:06,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064280375] [2021-10-28 22:51:06,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 22:51:06,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:06,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:06,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:06,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 22:51:09,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 22:51:09,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:51:09,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:51:09,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:09,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064280375] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:09,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:09,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 22:51:09,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884333828] [2021-10-28 22:51:09,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:51:09,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:51:09,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:51:09,653 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) [2021-10-28 22:51:09,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:09,725 INFO L93 Difference]: Finished difference Result 1190 states and 1380 transitions. [2021-10-28 22:51:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:51:09,725 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 [2021-10-28 22:51:09,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:09,729 INFO L225 Difference]: With dead ends: 1190 [2021-10-28 22:51:09,729 INFO L226 Difference]: Without dead ends: 601 [2021-10-28 22:51:09,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:51:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2021-10-28 22:51:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2021-10-28 22:51:09,747 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) [2021-10-28 22:51:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 694 transitions. [2021-10-28 22:51:09,750 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 694 transitions. Word has length 17 [2021-10-28 22:51:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:09,750 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 694 transitions. [2021-10-28 22:51:09,750 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) [2021-10-28 22:51:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 694 transitions. [2021-10-28 22:51:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:51:09,751 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:09,751 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:09,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:09,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:09,979 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)] === [2021-10-28 22:51:09,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:09,979 INFO L85 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2021-10-28 22:51:09,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:09,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025540016] [2021-10-28 22:51:09,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:09,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:10,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:10,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025540016] [2021-10-28 22:51:10,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025540016] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:10,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956465017] [2021-10-28 22:51:10,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 22:51:10,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:10,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:10,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:10,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 22:51:20,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 22:51:20,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:51:20,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:51:20,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:20,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956465017] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:20,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:20,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-28 22:51:20,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100713175] [2021-10-28 22:51:20,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:51:20,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:20,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:51:20,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:51:20,609 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) [2021-10-28 22:51:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:20,714 INFO L93 Difference]: Finished difference Result 1192 states and 1382 transitions. [2021-10-28 22:51:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:51:20,715 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 [2021-10-28 22:51:20,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:20,719 INFO L225 Difference]: With dead ends: 1192 [2021-10-28 22:51:20,719 INFO L226 Difference]: Without dead ends: 603 [2021-10-28 22:51:20,720 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:51:20,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-10-28 22:51:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2021-10-28 22:51:20,736 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) [2021-10-28 22:51:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 696 transitions. [2021-10-28 22:51:20,739 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 696 transitions. Word has length 19 [2021-10-28 22:51:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:20,740 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 696 transitions. [2021-10-28 22:51:20,740 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) [2021-10-28 22:51:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 696 transitions. [2021-10-28 22:51:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 22:51:20,741 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:20,741 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:20,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:20,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:20,954 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)] === [2021-10-28 22:51:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:20,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2021-10-28 22:51:20,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:20,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897277562] [2021-10-28 22:51:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:20,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:21,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:21,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897277562] [2021-10-28 22:51:21,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897277562] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:21,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512849126] [2021-10-28 22:51:21,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 22:51:21,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 22:51:21,389 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 22:51:21,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:51:21,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:51:21,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:21,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512849126] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:21,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:21,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-28 22:51:21,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260341203] [2021-10-28 22:51:21,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:51:21,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:21,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:51:21,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:51:21,467 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) [2021-10-28 22:51:21,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:21,540 INFO L93 Difference]: Finished difference Result 1194 states and 1384 transitions. [2021-10-28 22:51:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:51:21,541 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 [2021-10-28 22:51:21,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:21,545 INFO L225 Difference]: With dead ends: 1194 [2021-10-28 22:51:21,545 INFO L226 Difference]: Without dead ends: 605 [2021-10-28 22:51:21,546 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:51:21,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-28 22:51:21,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 603. [2021-10-28 22:51:21,563 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) [2021-10-28 22:51:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 698 transitions. [2021-10-28 22:51:21,566 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 698 transitions. Word has length 21 [2021-10-28 22:51:21,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:21,566 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 698 transitions. [2021-10-28 22:51:21,566 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) [2021-10-28 22:51:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 698 transitions. [2021-10-28 22:51:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 22:51:21,568 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:21,568 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:21,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:21,783 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)] === [2021-10-28 22:51:21,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:21,783 INFO L85 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2021-10-28 22:51:21,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:21,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357068077] [2021-10-28 22:51:21,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:21,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:22,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:22,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357068077] [2021-10-28 22:51:22,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357068077] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:22,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783652037] [2021-10-28 22:51:22,012 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 22:51:22,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:22,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 22:51:22,390 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-28 22:51:22,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:51:22,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:22,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783652037] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:22,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:22,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-28 22:51:22,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593453096] [2021-10-28 22:51:22,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 22:51:22,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:51:22,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:51:22,544 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) [2021-10-28 22:51:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:22,630 INFO L93 Difference]: Finished difference Result 1196 states and 1386 transitions. [2021-10-28 22:51:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:51:22,631 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 [2021-10-28 22:51:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:22,635 INFO L225 Difference]: With dead ends: 1196 [2021-10-28 22:51:22,635 INFO L226 Difference]: Without dead ends: 607 [2021-10-28 22:51:22,636 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:51:22,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-10-28 22:51:22,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2021-10-28 22:51:22,653 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) [2021-10-28 22:51:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 700 transitions. [2021-10-28 22:51:22,655 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 700 transitions. Word has length 23 [2021-10-28 22:51:22,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:22,656 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 700 transitions. [2021-10-28 22:51:22,656 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) [2021-10-28 22:51:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 700 transitions. [2021-10-28 22:51:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 22:51:22,657 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:22,657 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:22,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:22,883 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)] === [2021-10-28 22:51:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2021-10-28 22:51:22,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:22,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085528348] [2021-10-28 22:51:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:22,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:23,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:23,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085528348] [2021-10-28 22:51:23,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085528348] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:23,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507081237] [2021-10-28 22:51:23,059 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 22:51:23,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:23,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:23,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:23,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 22:51:46,431 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-28 22:51:46,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:51:46,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:51:46,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:46,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507081237] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:46,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:46,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-28 22:51:46,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846530664] [2021-10-28 22:51:46,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 22:51:46,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:46,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:51:46,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:51:46,585 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) [2021-10-28 22:51:46,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:46,661 INFO L93 Difference]: Finished difference Result 1198 states and 1388 transitions. [2021-10-28 22:51:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:51:46,662 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 [2021-10-28 22:51:46,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:46,666 INFO L225 Difference]: With dead ends: 1198 [2021-10-28 22:51:46,666 INFO L226 Difference]: Without dead ends: 609 [2021-10-28 22:51:46,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:51:46,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-10-28 22:51:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 607. [2021-10-28 22:51:46,683 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) [2021-10-28 22:51:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 702 transitions. [2021-10-28 22:51:46,685 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 702 transitions. Word has length 25 [2021-10-28 22:51:46,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:46,686 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 702 transitions. [2021-10-28 22:51:46,686 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) [2021-10-28 22:51:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 702 transitions. [2021-10-28 22:51:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:51:46,687 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:46,687 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:46,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:46,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:46,903 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)] === [2021-10-28 22:51:46,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:46,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2021-10-28 22:51:46,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:46,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618474441] [2021-10-28 22:51:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:46,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:47,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:47,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618474441] [2021-10-28 22:51:47,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618474441] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:47,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392271655] [2021-10-28 22:51:47,106 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-28 22:51:47,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:47,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:47,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:47,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 22:51:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:47,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 22:51:47,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:47,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392271655] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:47,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:47,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-28 22:51:47,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750556637] [2021-10-28 22:51:47,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 22:51:47,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 22:51:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:51:47,544 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) [2021-10-28 22:51:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:47,629 INFO L93 Difference]: Finished difference Result 1200 states and 1390 transitions. [2021-10-28 22:51:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 22:51:47,630 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 [2021-10-28 22:51:47,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:47,634 INFO L225 Difference]: With dead ends: 1200 [2021-10-28 22:51:47,634 INFO L226 Difference]: Without dead ends: 611 [2021-10-28 22:51:47,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:51:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-10-28 22:51:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2021-10-28 22:51:47,650 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) [2021-10-28 22:51:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 704 transitions. [2021-10-28 22:51:47,653 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 704 transitions. Word has length 27 [2021-10-28 22:51:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:47,653 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 704 transitions. [2021-10-28 22:51:47,653 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) [2021-10-28 22:51:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 704 transitions. [2021-10-28 22:51:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 22:51:47,654 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:47,654 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:47,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:47,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-28 22:51:47,871 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)] === [2021-10-28 22:51:47,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:47,871 INFO L85 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2021-10-28 22:51:47,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:47,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749942625] [2021-10-28 22:51:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:47,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:48,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:48,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749942625] [2021-10-28 22:51:48,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749942625] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:48,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325281712] [2021-10-28 22:51:48,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 22:51:48,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:48,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:48,054 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:48,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 22:51:51,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 22:51:51,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:51:51,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:51:51,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:51,954 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:51,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325281712] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:51,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:51,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-28 22:51:51,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346767046] [2021-10-28 22:51:51,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-28 22:51:51,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:51,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 22:51:51,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-28 22:51:51,957 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) [2021-10-28 22:51:52,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:52,049 INFO L93 Difference]: Finished difference Result 1202 states and 1392 transitions. [2021-10-28 22:51:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:51:52,049 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 [2021-10-28 22:51:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:51:52,053 INFO L225 Difference]: With dead ends: 1202 [2021-10-28 22:51:52,053 INFO L226 Difference]: Without dead ends: 613 [2021-10-28 22:51:52,054 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-28 22:51:52,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-28 22:51:52,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2021-10-28 22:51:52,090 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) [2021-10-28 22:51:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 706 transitions. [2021-10-28 22:51:52,092 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 706 transitions. Word has length 29 [2021-10-28 22:51:52,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:51:52,092 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 706 transitions. [2021-10-28 22:51:52,093 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) [2021-10-28 22:51:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 706 transitions. [2021-10-28 22:51:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 22:51:52,096 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:51:52,096 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:52,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:52,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 22:51:52,323 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)] === [2021-10-28 22:51:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2021-10-28 22:51:52,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:52,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368144723] [2021-10-28 22:51:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:52,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:52,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:52,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368144723] [2021-10-28 22:51:52,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368144723] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:52,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981966295] [2021-10-28 22:51:52,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 22:51:52,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:52,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:52,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:52,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 22:52:29,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-10-28 22:52:29,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:52:29,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:52:29,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:52:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:52:29,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981966295] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:52:29,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:52:29,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-28 22:52:29,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223888851] [2021-10-28 22:52:29,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 22:52:29,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:29,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 22:52:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:52:29,709 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) [2021-10-28 22:52:29,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:29,809 INFO L93 Difference]: Finished difference Result 1203 states and 1393 transitions. [2021-10-28 22:52:29,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:52:29,809 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 [2021-10-28 22:52:29,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:29,813 INFO L225 Difference]: With dead ends: 1203 [2021-10-28 22:52:29,813 INFO L226 Difference]: Without dead ends: 614 [2021-10-28 22:52:29,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:52:29,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-28 22:52:29,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2021-10-28 22:52:29,831 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) [2021-10-28 22:52:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2021-10-28 22:52:29,833 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 31 [2021-10-28 22:52:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:29,834 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2021-10-28 22:52:29,834 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) [2021-10-28 22:52:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2021-10-28 22:52:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:52:29,839 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:29,840 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:29,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:52:30,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 22:52:30,067 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)] === [2021-10-28 22:52:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:30,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2021-10-28 22:52:30,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:30,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368337170] [2021-10-28 22:52:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:30,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:52:30,880 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:52:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:52:31,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:52:31,471 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:52:31,472 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,479 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,479 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,479 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,479 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,479 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:31,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 22:52:31,493 INFO L731 BasicCegarLoop]: Path program histogram: [10, 1, 1] [2021-10-28 22:52:31,500 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:52:31,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:52:31 BoogieIcfgContainer [2021-10-28 22:52:31,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:52:31,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:52:31,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:52:31,744 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:52:31,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:51:04" (3/4) ... [2021-10-28 22:52:31,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:52:31,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:52:31,750 INFO L168 Benchmark]: Toolchain (without parser) took 94994.18 ms. Allocated memory was 115.3 MB in the beginning and 249.6 MB in the end (delta: 134.2 MB). Free memory was 75.8 MB in the beginning and 161.9 MB in the end (delta: -86.1 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,751 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:52:31,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1979.78 ms. Allocated memory is still 115.3 MB. Free memory was 75.5 MB in the beginning and 49.0 MB in the end (delta: 26.5 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 257.64 ms. Allocated memory is still 115.3 MB. Free memory was 48.5 MB in the beginning and 67.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,752 INFO L168 Benchmark]: Boogie Preprocessor took 167.60 ms. Allocated memory is still 115.3 MB. Free memory was 67.2 MB in the beginning and 56.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,753 INFO L168 Benchmark]: RCFGBuilder took 5141.33 ms. Allocated memory was 115.3 MB in the beginning and 190.8 MB in the end (delta: 75.5 MB). Free memory was 56.1 MB in the beginning and 99.0 MB in the end (delta: -42.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,753 INFO L168 Benchmark]: TraceAbstraction took 87435.11 ms. Allocated memory was 190.8 MB in the beginning and 249.6 MB in the end (delta: 58.7 MB). Free memory was 98.0 MB in the beginning and 161.9 MB in the end (delta: -63.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,753 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 249.6 MB. Free memory is still 161.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:52:31,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1979.78 ms. Allocated memory is still 115.3 MB. Free memory was 75.5 MB in the beginning and 49.0 MB in the end (delta: 26.5 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 257.64 ms. Allocated memory is still 115.3 MB. Free memory was 48.5 MB in the beginning and 67.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 167.60 ms. Allocated memory is still 115.3 MB. Free memory was 67.2 MB in the beginning and 56.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5141.33 ms. Allocated memory was 115.3 MB in the beginning and 190.8 MB in the end (delta: 75.5 MB). Free memory was 56.1 MB in the beginning and 99.0 MB in the end (delta: -42.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 87435.11 ms. Allocated memory was 190.8 MB in the beginning and 249.6 MB in the end (delta: 58.7 MB). Free memory was 98.0 MB in the beginning and 161.9 MB in the end (delta: -63.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.07 ms. Allocated memory is still 249.6 MB. Free memory is still 161.9 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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 [={-1:8}, ={0:0}, ={0:0}, ={-1:7}, 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}, ={-1:7}, ={-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}, ={-1:8}, ={-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}, ={-1:7}, ={-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] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)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}] [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}, ={-1:8}, ={-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}, ={-1:8}, ={-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}, ={-1:8}, ={-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 [={-1:8}, ={-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 [={-1:8}, ={-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 [={-1:8}, ={-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] 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}, ={-1:8}, ={-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}, ={-1:7}, ={-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 [={-1:8}, ={-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] 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 [={-1:8}, ={-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 [={-1:8}, ={-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 FALSE !(i < 10) 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] 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}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 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}] [L2689] i++ 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 FALSE !(i < 1) 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}] [L1778] int ret; [L4525] return 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}] [L12] COND TRUE !expression 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}] [L12] reach_error() 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}] - 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: 87.1s, OverallIterations: 12, TraceHistogramMax: 10, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7532 SDtfs, 11632 SDslu, 8838 SDs, 0 SdLazy, 248 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 78.3s SatisfiabilityAnalysisTime, 2.4s 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 [2021-10-28 22:52:31,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/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-b2eff8b [2021-10-28 22:52:34,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:52:34,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:52:34,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:52:34,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:52:34,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:52:34,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:52:34,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:52:34,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:52:34,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:52:34,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:52:34,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:52:34,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:52:34,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:52:34,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:52:34,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:52:34,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:52:34,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:52:34,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:52:34,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:52:34,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:52:34,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:52:34,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:52:34,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:52:34,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:52:34,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:52:34,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:52:34,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:52:34,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:52:34,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:52:34,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:52:34,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:52:34,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:52:34,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:52:34,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:52:34,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:52:34,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:52:34,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:52:34,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:52:34,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:52:34,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:52:34,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 22:52:34,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:52:34,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:52:34,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:52:34,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:52:34,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:52:34,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:52:34,366 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:52:34,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:52:34,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:52:34,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:52:34,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:52:34,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:52:34,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:52:34,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:52:34,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 22:52:34,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 22:52:34,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:52:34,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:52:34,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:52:34,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:52:34,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:52:34,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:52:34,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:52:34,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:34,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:52:34,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:52:34,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:52:34,372 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 22:52:34,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 22:52:34,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:52:34,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:52:34,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:52:34,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:52:34,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 22:52:34,374 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_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-10-28 22:52:34,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:52:34,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:52:34,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:52:34,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:52:34,798 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:52:34,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-28 22:52:34,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/53ac06b22/cc3a995bfbb24a5fa3f0b2fd6fbdc93f/FLAGe3428de45 [2021-10-28 22:52:35,786 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:52:35,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-28 22:52:35,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/53ac06b22/cc3a995bfbb24a5fa3f0b2fd6fbdc93f/FLAGe3428de45 [2021-10-28 22:52:35,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/data/53ac06b22/cc3a995bfbb24a5fa3f0b2fd6fbdc93f [2021-10-28 22:52:35,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:52:35,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:52:35,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:35,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:52:35,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:52:35,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:35" (1/1) ... [2021-10-28 22:52:35,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637d2ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:35, skipping insertion in model container [2021-10-28 22:52:35,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:35" (1/1) ... [2021-10-28 22:52:35,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:52:35,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:52:36,172 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_38777ce4-7a76-487b-9cc7-b28829fd59e6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-28 22:52:37,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:37,516 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:52:37,526 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_38777ce4-7a76-487b-9cc7-b28829fd59e6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-28 22:52:37,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:37,943 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:52:37,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37 WrapperNode [2021-10-28 22:52:37,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:37,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:37,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:52:37,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:52:37,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:38,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:52:38,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:52:38,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:52:38,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:52:38,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:52:38,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:52:38,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:52:38,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (1/1) ... [2021-10-28 22:52:38,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:52:38,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:52:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:52:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-28 22:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-28 22:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 22:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 22:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 22:52:46,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:52:46,064 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-28 22:52:46,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:46 BoogieIcfgContainer [2021-10-28 22:52:46,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:52:46,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:52:46,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:52:46,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:52:46,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:52:35" (1/3) ... [2021-10-28 22:52:46,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ea37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:46, skipping insertion in model container [2021-10-28 22:52:46,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:37" (2/3) ... [2021-10-28 22:52:46,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ea37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:46, skipping insertion in model container [2021-10-28 22:52:46,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:46" (3/3) ... [2021-10-28 22:52:46,076 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-28 22:52:46,081 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:52:46,081 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-28 22:52:46,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:52:46,141 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 [2021-10-28 22:52:46,141 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-28 22:52:46,169 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) [2021-10-28 22:52:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 22:52:46,174 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:46,175 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:46,175 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)] === [2021-10-28 22:52:46,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:46,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-28 22:52:46,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:52:46,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326262533] [2021-10-28 22:52:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:46,197 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:52:46,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:52:46,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:52:46,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 22:52:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:46,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 22:52:46,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:52:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:46,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:52:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:46,896 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:52:46,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326262533] [2021-10-28 22:52:46,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326262533] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:46,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:46,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 22:52:46,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71494027] [2021-10-28 22:52:46,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:52:46,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:52:46,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:52:46,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:46,920 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) [2021-10-28 22:52:47,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:47,003 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-28 22:52:47,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:52:47,005 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 [2021-10-28 22:52:47,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:47,024 INFO L225 Difference]: With dead ends: 1205 [2021-10-28 22:52:47,024 INFO L226 Difference]: Without dead ends: 593 [2021-10-28 22:52:47,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:47,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-28 22:52:47,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-28 22:52:47,153 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) [2021-10-28 22:52:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-28 22:52:47,167 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-28 22:52:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:47,168 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-28 22:52:47,168 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) [2021-10-28 22:52:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-28 22:52:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 22:52:47,169 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:47,169 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:47,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:52:47,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:52:47,386 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)] === [2021-10-28 22:52:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-28 22:52:47,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:52:47,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343080185] [2021-10-28 22:52:47,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:47,389 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:52:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:52:47,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:52:47,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 22:52:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:47,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:52:47,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:52:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:47,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:52:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:48,014 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:52:48,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343080185] [2021-10-28 22:52:48,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343080185] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:48,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:48,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-28 22:52:48,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452534241] [2021-10-28 22:52:48,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:52:48,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:52:48,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:52:48,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:52:48,018 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) [2021-10-28 22:52:48,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:48,209 INFO L93 Difference]: Finished difference Result 1772 states and 2058 transitions. [2021-10-28 22:52:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:52:48,211 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 [2021-10-28 22:52:48,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:48,218 INFO L225 Difference]: With dead ends: 1772 [2021-10-28 22:52:48,219 INFO L226 Difference]: Without dead ends: 1184 [2021-10-28 22:52:48,222 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:52:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-10-28 22:52:48,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 597. [2021-10-28 22:52:48,249 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) [2021-10-28 22:52:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-28 22:52:48,252 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 11 [2021-10-28 22:52:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:48,253 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-28 22:52:48,253 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) [2021-10-28 22:52:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-28 22:52:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 22:52:48,254 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:48,254 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:48,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:52:48,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:52:48,471 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)] === [2021-10-28 22:52:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:48,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-10-28 22:52:48,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:52:48,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825176781] [2021-10-28 22:52:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:48,474 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:52:48,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:52:48,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:52:48,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 22:52:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:49,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:52:49,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:52:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:52:49,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:52:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:52:49,259 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:52:49,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825176781] [2021-10-28 22:52:49,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825176781] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 22:52:49,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:52:49,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 22:52:49,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251474994] [2021-10-28 22:52:49,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:52:49,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:52:49,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:52:49,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:52:49,262 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) [2021-10-28 22:52:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:49,562 INFO L93 Difference]: Finished difference Result 1194 states and 1387 transitions. [2021-10-28 22:52:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:52:49,563 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 [2021-10-28 22:52:49,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:49,567 INFO L225 Difference]: With dead ends: 1194 [2021-10-28 22:52:49,567 INFO L226 Difference]: Without dead ends: 605 [2021-10-28 22:52:49,568 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:52:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-28 22:52:49,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-10-28 22:52:49,590 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) [2021-10-28 22:52:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 699 transitions. [2021-10-28 22:52:49,593 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 699 transitions. Word has length 17 [2021-10-28 22:52:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:49,594 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 699 transitions. [2021-10-28 22:52:49,594 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) [2021-10-28 22:52:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 699 transitions. [2021-10-28 22:52:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 22:52:49,595 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:49,595 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:49,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:52:49,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:52:49,822 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)] === [2021-10-28 22:52:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:49,823 INFO L85 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-10-28 22:52:49,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:52:49,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171136791] [2021-10-28 22:52:49,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 22:52:49,826 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:52:49,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:52:49,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:52:49,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 22:53:02,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 22:53:02,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:53:02,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:53:02,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:53:02,850 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:53:02,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:53:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:53:03,143 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:53:03,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171136791] [2021-10-28 22:53:03,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171136791] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 22:53:03,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:53:03,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-28 22:53:03,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083463255] [2021-10-28 22:53:03,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 22:53:03,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:53:03,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 22:53:03,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-28 22:53:03,145 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) [2021-10-28 22:53:03,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:03,784 INFO L93 Difference]: Finished difference Result 1202 states and 1393 transitions. [2021-10-28 22:53:03,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:53:03,785 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 [2021-10-28 22:53:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:03,789 INFO L225 Difference]: With dead ends: 1202 [2021-10-28 22:53:03,789 INFO L226 Difference]: Without dead ends: 613 [2021-10-28 22:53:03,790 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-28 22:53:03,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-28 22:53:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-10-28 22:53:03,810 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) [2021-10-28 22:53:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 707 transitions. [2021-10-28 22:53:03,813 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 707 transitions. Word has length 25 [2021-10-28 22:53:03,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:03,813 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 707 transitions. [2021-10-28 22:53:03,814 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) [2021-10-28 22:53:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 707 transitions. [2021-10-28 22:53:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:53:03,815 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:03,815 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:03,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:53:04,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:53:04,031 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)] === [2021-10-28 22:53:04,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:04,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-10-28 22:53:04,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:53:04,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426550062] [2021-10-28 22:53:04,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 22:53:04,038 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:53:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:53:04,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:53:04,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 22:53:19,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-28 22:53:19,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-28 22:53:19,622 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:53:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:29,219 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 22:53:29,219 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:53:29,220 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,226 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,226 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,226 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,226 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:29,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-28 22:53:29,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:53:29,482 INFO L731 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2021-10-28 22:53:29,485 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:53:29,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:53:29 BoogieIcfgContainer [2021-10-28 22:53:29,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:53:29,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:53:29,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:53:29,722 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:53:29,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:46" (3/4) ... [2021-10-28 22:53:29,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:53:29,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:53:29,727 INFO L168 Benchmark]: Toolchain (without parser) took 53859.38 ms. Allocated memory was 67.1 MB in the beginning and 260.0 MB in the end (delta: 192.9 MB). Free memory was 42.2 MB in the beginning and 128.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,728 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 67.1 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:53:29,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2075.71 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 42.0 MB in the beginning and 54.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 244.38 ms. Allocated memory is still 96.5 MB. Free memory was 54.6 MB in the beginning and 39.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,733 INFO L168 Benchmark]: Boogie Preprocessor took 216.00 ms. Allocated memory is still 96.5 MB. Free memory was 39.4 MB in the beginning and 50.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,733 INFO L168 Benchmark]: RCFGBuilder took 7660.92 ms. Allocated memory was 96.5 MB in the beginning and 188.7 MB in the end (delta: 92.3 MB). Free memory was 50.3 MB in the beginning and 72.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,734 INFO L168 Benchmark]: TraceAbstraction took 43651.07 ms. Allocated memory was 188.7 MB in the beginning and 260.0 MB in the end (delta: 71.3 MB). Free memory was 72.3 MB in the beginning and 129.2 MB in the end (delta: -56.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,737 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 260.0 MB. Free memory was 129.2 MB in the beginning and 128.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:29,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 67.1 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2075.71 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 42.0 MB in the beginning and 54.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 244.38 ms. Allocated memory is still 96.5 MB. Free memory was 54.6 MB in the beginning and 39.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 216.00 ms. Allocated memory is still 96.5 MB. Free memory was 39.4 MB in the beginning and 50.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7660.92 ms. Allocated memory was 96.5 MB in the beginning and 188.7 MB in the end (delta: 92.3 MB). Free memory was 50.3 MB in the beginning and 72.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 43651.07 ms. Allocated memory was 188.7 MB in the beginning and 260.0 MB in the end (delta: 71.3 MB). Free memory was 72.3 MB in the beginning and 129.2 MB in the end (delta: -56.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.46 ms. Allocated memory is still 260.0 MB. Free memory was 129.2 MB in the beginning and 128.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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 [={-1:7}, ={0:0}, ={-1:8}, ={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}, ={-1:8}, ={-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 = 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] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)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}] [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}, ={-1:8}, ={-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 [={-1:7}, ={-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 [={-1:7}, ={-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 [={-1:7}, ={-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}, ={-1:7}, ={-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] 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}, ={-1:8}, ={-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}, ={-1:7}, ={-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] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)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}] [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 FALSE !(i < 10) 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}] [L2689] 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}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 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}] [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}, ={-1:8}, ={-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}] [L1778] int ret; [L4525] return 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}] [L12] COND TRUE !expression 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}] [L12] reach_error() 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}] - 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: 43.3s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2750 SDtfs, 6141 SDslu, 6794 SDs, 0 SdLazy, 206 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 587 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 28.7s SatisfiabilityAnalysisTime, 1.1s 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 [2021-10-28 22:53:29,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38777ce4-7a76-487b-9cc7-b28829fd59e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...