./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:13:44,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:13:44,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:13:44,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:13:44,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:13:44,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:13:44,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:13:44,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:13:44,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:13:44,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:13:44,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:13:44,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:13:44,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:13:44,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:13:44,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:13:44,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:13:44,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:13:44,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:13:44,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:13:44,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:13:44,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:13:44,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:13:44,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:13:44,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:13:44,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:13:44,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:13:44,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:13:44,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:13:44,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:13:44,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:13:44,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:13:44,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:13:44,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:13:44,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:13:44,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:13:44,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:13:44,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:13:44,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:13:44,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:13:44,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:13:44,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:13:44,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:13:45,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:13:45,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:13:45,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:13:45,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:13:45,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:13:45,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:13:45,063 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:13:45,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:13:45,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:13:45,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:13:45,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:13:45,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:13:45,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:13:45,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:13:45,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:13:45,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:13:45,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:13:45,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:13:45,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:13:45,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:13:45,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:13:45,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:13:45,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:13:45,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:13:45,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:13:45,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:13:45,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:13:45,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:13:45,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:13:45,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:13:45,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:13:45,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:13:45,073 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_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-10-21 20:13:45,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:13:45,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:13:45,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:13:45,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:13:45,398 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:13:45,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-10-21 20:13:45,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/3c4c0a8e0/2cd225c663b24ec8902879cf3d2ce24f/FLAG7d840ed0b [2021-10-21 20:13:46,310 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:13:46,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-10-21 20:13:46,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/3c4c0a8e0/2cd225c663b24ec8902879cf3d2ce24f/FLAG7d840ed0b [2021-10-21 20:13:46,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/3c4c0a8e0/2cd225c663b24ec8902879cf3d2ce24f [2021-10-21 20:13:46,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:13:46,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:13:46,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:13:46,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:13:46,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:13:46,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:13:46" (1/1) ... [2021-10-21 20:13:46,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb7b471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:46, skipping insertion in model container [2021-10-21 20:13:46,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:13:46" (1/1) ... [2021-10-21 20:13:46,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:13:46,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:13:47,248 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_46939c89-f300-4b68-aee3-b423875ab3a8/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-10-21 20:13:48,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:13:48,739 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:13:48,753 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_46939c89-f300-4b68-aee3-b423875ab3a8/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-10-21 20:13:49,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:13:49,334 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:13:49,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49 WrapperNode [2021-10-21 20:13:49,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:13:49,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:13:49,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:13:49,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:13:49,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:13:49,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:13:49,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:13:49,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:13:49,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:13:49,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:13:49,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:13:49,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:13:49,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (1/1) ... [2021-10-21 20:13:49,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:13:49,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:13:49,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:13:49,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-21 20:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:13:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:13:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:13:54,761 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:13:54,762 INFO L299 CfgBuilder]: Removed 575 assume(true) statements. [2021-10-21 20:13:54,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:13:54 BoogieIcfgContainer [2021-10-21 20:13:54,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:13:54,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:13:54,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:13:54,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:13:54,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:13:46" (1/3) ... [2021-10-21 20:13:54,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699a9e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:13:54, skipping insertion in model container [2021-10-21 20:13:54,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:13:49" (2/3) ... [2021-10-21 20:13:54,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699a9e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:13:54, skipping insertion in model container [2021-10-21 20:13:54,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:13:54" (3/3) ... [2021-10-21 20:13:54,779 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-10-21 20:13:54,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:13:54,786 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-21 20:13:54,864 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:13:54,872 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:13:54,872 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-21 20:13:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:13:54,926 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:54,927 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:54,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:13:54,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:54,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-21 20:13:54,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:54,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382590149] [2021-10-21 20:13:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:54,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:13:55,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:55,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382590149] [2021-10-21 20:13:55,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382590149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:55,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:55,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:13:55,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295164865] [2021-10-21 20:13:55,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:13:55,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:55,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:13:55,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:13:55,523 INFO L87 Difference]: Start difference. First operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:55,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:55,601 INFO L93 Difference]: Finished difference Result 1003 states and 1293 transitions. [2021-10-21 20:13:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:13:55,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 20:13:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:55,621 INFO L225 Difference]: With dead ends: 1003 [2021-10-21 20:13:55,621 INFO L226 Difference]: Without dead ends: 491 [2021-10-21 20:13:55,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:13:55,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-10-21 20:13:55,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-10-21 20:13:55,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 452 states have (on average 1.2964601769911503) internal successors, (586), 490 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2021-10-21 20:13:55,749 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2021-10-21 20:13:55,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:55,750 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2021-10-21 20:13:55,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2021-10-21 20:13:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:13:55,751 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:55,752 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:55,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:13:55,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:13:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:55,756 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-21 20:13:55,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:55,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330924589] [2021-10-21 20:13:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:55,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:13:55,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:55,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330924589] [2021-10-21 20:13:55,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330924589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:13:55,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:13:55,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:13:55,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749544704] [2021-10-21 20:13:55,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:13:55,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:55,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:13:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:55,966 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:56,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:56,067 INFO L93 Difference]: Finished difference Result 981 states and 1172 transitions. [2021-10-21 20:13:56,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:13:56,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 20:13:56,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:56,080 INFO L225 Difference]: With dead ends: 981 [2021-10-21 20:13:56,081 INFO L226 Difference]: Without dead ends: 495 [2021-10-21 20:13:56,082 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:13:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-10-21 20:13:56,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2021-10-21 20:13:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 454 states have (on average 1.2951541850220265) internal successors, (588), 492 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:56,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 588 transitions. [2021-10-21 20:13:56,100 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 588 transitions. Word has length 11 [2021-10-21 20:13:56,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:56,100 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 588 transitions. [2021-10-21 20:13:56,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 588 transitions. [2021-10-21 20:13:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 20:13:56,101 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:56,102 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:56,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:13:56,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:13:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:56,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2021-10-21 20:13:56,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:56,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57007096] [2021-10-21 20:13:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:56,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:13:56,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:56,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57007096] [2021-10-21 20:13:56,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57007096] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:56,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047279615] [2021-10-21 20:13:56,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:56,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:13:56,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:13:56,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:13:56,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:13:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:56,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:13:56,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:13:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:13:56,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047279615] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:56,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:13:56,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-21 20:13:56,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467984760] [2021-10-21 20:13:56,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:13:56,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:56,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:13:56,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:56,773 INFO L87 Difference]: Start difference. First operand 493 states and 588 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:56,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:56,835 INFO L93 Difference]: Finished difference Result 984 states and 1174 transitions. [2021-10-21 20:13:56,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:13:56,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-21 20:13:56,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:56,839 INFO L225 Difference]: With dead ends: 984 [2021-10-21 20:13:56,840 INFO L226 Difference]: Without dead ends: 497 [2021-10-21 20:13:56,841 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:13:56,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-10-21 20:13:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 495. [2021-10-21 20:13:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 456 states have (on average 1.293859649122807) internal successors, (590), 494 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 590 transitions. [2021-10-21 20:13:56,858 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 590 transitions. Word has length 15 [2021-10-21 20:13:56,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:56,858 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 590 transitions. [2021-10-21 20:13:56,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 590 transitions. [2021-10-21 20:13:56,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 20:13:56,859 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:56,860 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:56,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:13:57,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:13:57,085 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:13:57,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:57,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2021-10-21 20:13:57,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:57,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775457556] [2021-10-21 20:13:57,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:57,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:13:57,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:57,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775457556] [2021-10-21 20:13:57,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775457556] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:57,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290272345] [2021-10-21 20:13:57,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:13:57,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:13:57,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:13:57,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:13:57,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:13:59,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:13:59,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:13:59,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:13:59,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:13:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:13:59,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290272345] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:59,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:13:59,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 20:13:59,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272642606] [2021-10-21 20:13:59,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:13:59,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:13:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:13:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:13:59,509 INFO L87 Difference]: Start difference. First operand 495 states and 590 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:59,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:13:59,583 INFO L93 Difference]: Finished difference Result 986 states and 1176 transitions. [2021-10-21 20:13:59,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:13:59,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 20:13:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:13:59,587 INFO L225 Difference]: With dead ends: 986 [2021-10-21 20:13:59,587 INFO L226 Difference]: Without dead ends: 499 [2021-10-21 20:13:59,589 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:13:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-21 20:13:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 497. [2021-10-21 20:13:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 458 states have (on average 1.2925764192139737) internal successors, (592), 496 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 592 transitions. [2021-10-21 20:13:59,605 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 592 transitions. Word has length 17 [2021-10-21 20:13:59,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:13:59,605 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 592 transitions. [2021-10-21 20:13:59,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:13:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 592 transitions. [2021-10-21 20:13:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:13:59,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:13:59,607 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:13:59,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:13:59,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:13:59,831 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:13:59,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:13:59,832 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2021-10-21 20:13:59,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:13:59,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896172591] [2021-10-21 20:13:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:13:59,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:13:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:13:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:13:59,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:13:59,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896172591] [2021-10-21 20:13:59,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896172591] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:13:59,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56502637] [2021-10-21 20:13:59,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 20:13:59,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:13:59,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:13:59,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:00,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:14:06,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-21 20:14:06,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:14:06,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:14:06,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:06,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56502637] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:06,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:06,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-21 20:14:06,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670205812] [2021-10-21 20:14:06,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:14:06,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:06,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:14:06,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:14:06,269 INFO L87 Difference]: Start difference. First operand 497 states and 592 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:06,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:06,343 INFO L93 Difference]: Finished difference Result 988 states and 1178 transitions. [2021-10-21 20:14:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:14:06,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 20:14:06,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:06,346 INFO L225 Difference]: With dead ends: 988 [2021-10-21 20:14:06,347 INFO L226 Difference]: Without dead ends: 501 [2021-10-21 20:14:06,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:14:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-10-21 20:14:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 499. [2021-10-21 20:14:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 460 states have (on average 1.291304347826087) internal successors, (594), 498 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 594 transitions. [2021-10-21 20:14:06,388 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 594 transitions. Word has length 19 [2021-10-21 20:14:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:06,388 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 594 transitions. [2021-10-21 20:14:06,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 594 transitions. [2021-10-21 20:14:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 20:14:06,390 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:06,390 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:06,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:14:06,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:06,617 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:06,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:06,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2021-10-21 20:14:06,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:06,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007321600] [2021-10-21 20:14:06,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:06,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:06,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:14:06,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007321600] [2021-10-21 20:14:06,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007321600] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:06,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544164053] [2021-10-21 20:14:06,783 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 20:14:06,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:06,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:14:06,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:06,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 20:14:07,013 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 20:14:07,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:14:07,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:14:07,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:07,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544164053] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:07,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:07,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-21 20:14:07,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222483763] [2021-10-21 20:14:07,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:14:07,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:14:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:14:07,111 INFO L87 Difference]: Start difference. First operand 499 states and 594 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:07,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:07,190 INFO L93 Difference]: Finished difference Result 990 states and 1180 transitions. [2021-10-21 20:14:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:14:07,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-21 20:14:07,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:07,194 INFO L225 Difference]: With dead ends: 990 [2021-10-21 20:14:07,201 INFO L226 Difference]: Without dead ends: 503 [2021-10-21 20:14:07,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 33.7ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:14:07,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2021-10-21 20:14:07,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 501. [2021-10-21 20:14:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 462 states have (on average 1.29004329004329) internal successors, (596), 500 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 596 transitions. [2021-10-21 20:14:07,221 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 596 transitions. Word has length 21 [2021-10-21 20:14:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:07,222 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 596 transitions. [2021-10-21 20:14:07,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 596 transitions. [2021-10-21 20:14:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 20:14:07,224 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:07,224 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:07,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:14:07,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:07,441 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:07,441 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2021-10-21 20:14:07,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:07,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987879574] [2021-10-21 20:14:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:07,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:07,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:14:07,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987879574] [2021-10-21 20:14:07,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987879574] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:07,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726327156] [2021-10-21 20:14:07,613 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 20:14:07,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:07,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:14:07,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:07,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 20:14:08,015 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-21 20:14:08,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:14:08,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:14:08,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:08,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726327156] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:08,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:08,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-21 20:14:08,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588978730] [2021-10-21 20:14:08,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:14:08,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:08,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:14:08,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:14:08,134 INFO L87 Difference]: Start difference. First operand 501 states and 596 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:08,218 INFO L93 Difference]: Finished difference Result 992 states and 1182 transitions. [2021-10-21 20:14:08,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:14:08,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-21 20:14:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:08,222 INFO L225 Difference]: With dead ends: 992 [2021-10-21 20:14:08,222 INFO L226 Difference]: Without dead ends: 505 [2021-10-21 20:14:08,223 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 45.8ms TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:14:08,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-10-21 20:14:08,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 503. [2021-10-21 20:14:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 464 states have (on average 1.2887931034482758) internal successors, (598), 502 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 598 transitions. [2021-10-21 20:14:08,241 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 598 transitions. Word has length 23 [2021-10-21 20:14:08,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:08,241 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 598 transitions. [2021-10-21 20:14:08,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 598 transitions. [2021-10-21 20:14:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 20:14:08,243 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:08,244 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:08,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-21 20:14:08,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:08,469 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:08,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:08,469 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2021-10-21 20:14:08,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:08,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073960137] [2021-10-21 20:14:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:08,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:08,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:14:08,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073960137] [2021-10-21 20:14:08,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073960137] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:08,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346881535] [2021-10-21 20:14:08,675 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 20:14:08,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:08,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:14:08,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:08,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 20:14:21,131 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-21 20:14:21,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:14:21,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:14:21,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:21,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346881535] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:21,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:21,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-21 20:14:21,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451415213] [2021-10-21 20:14:21,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 20:14:21,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:21,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:14:21,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:14:21,287 INFO L87 Difference]: Start difference. First operand 503 states and 598 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:21,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:21,371 INFO L93 Difference]: Finished difference Result 994 states and 1184 transitions. [2021-10-21 20:14:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:14:21,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-21 20:14:21,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:21,375 INFO L225 Difference]: With dead ends: 994 [2021-10-21 20:14:21,375 INFO L226 Difference]: Without dead ends: 507 [2021-10-21 20:14:21,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 50.1ms TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:14:21,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-21 20:14:21,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2021-10-21 20:14:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 466 states have (on average 1.2875536480686696) internal successors, (600), 504 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 600 transitions. [2021-10-21 20:14:21,393 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 600 transitions. Word has length 25 [2021-10-21 20:14:21,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:21,394 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 600 transitions. [2021-10-21 20:14:21,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 600 transitions. [2021-10-21 20:14:21,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 20:14:21,395 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:21,395 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:21,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:14:21,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-21 20:14:21,609 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:21,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:21,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2021-10-21 20:14:21,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:21,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683557895] [2021-10-21 20:14:21,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:21,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:21,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:14:21,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683557895] [2021-10-21 20:14:21,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683557895] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:21,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012710293] [2021-10-21 20:14:21,830 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 20:14:21,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:21,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:14:21,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:21,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 20:14:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:22,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:14:22,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:22,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012710293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:22,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:22,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-21 20:14:22,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505540618] [2021-10-21 20:14:22,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-21 20:14:22,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:14:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:14:22,281 INFO L87 Difference]: Start difference. First operand 505 states and 600 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:22,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:22,387 INFO L93 Difference]: Finished difference Result 996 states and 1186 transitions. [2021-10-21 20:14:22,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 20:14:22,388 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-21 20:14:22,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:22,391 INFO L225 Difference]: With dead ends: 996 [2021-10-21 20:14:22,391 INFO L226 Difference]: Without dead ends: 509 [2021-10-21 20:14:22,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 53.4ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:14:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2021-10-21 20:14:22,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 507. [2021-10-21 20:14:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 468 states have (on average 1.2863247863247864) internal successors, (602), 506 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 602 transitions. [2021-10-21 20:14:22,407 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 602 transitions. Word has length 27 [2021-10-21 20:14:22,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:22,408 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 602 transitions. [2021-10-21 20:14:22,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 602 transitions. [2021-10-21 20:14:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 20:14:22,411 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:22,411 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:22,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-21 20:14:22,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:22,632 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:22,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:22,633 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2021-10-21 20:14:22,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:22,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684601346] [2021-10-21 20:14:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:22,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:22,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:14:22,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684601346] [2021-10-21 20:14:22,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684601346] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:22,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067350261] [2021-10-21 20:14:22,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:14:22,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:22,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:14:22,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:22,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 20:14:25,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:14:25,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:14:25,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:14:25,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:25,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067350261] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:25,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:25,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-21 20:14:25,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503360245] [2021-10-21 20:14:25,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-21 20:14:25,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:25,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 20:14:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:14:25,770 INFO L87 Difference]: Start difference. First operand 507 states and 602 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:25,872 INFO L93 Difference]: Finished difference Result 998 states and 1188 transitions. [2021-10-21 20:14:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 20:14:25,873 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-21 20:14:25,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:25,876 INFO L225 Difference]: With dead ends: 998 [2021-10-21 20:14:25,877 INFO L226 Difference]: Without dead ends: 511 [2021-10-21 20:14:25,878 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 61.8ms TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:14:25,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2021-10-21 20:14:25,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 509. [2021-10-21 20:14:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 470 states have (on average 1.2851063829787235) internal successors, (604), 508 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 604 transitions. [2021-10-21 20:14:25,898 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 604 transitions. Word has length 29 [2021-10-21 20:14:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:25,898 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 604 transitions. [2021-10-21 20:14:25,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 604 transitions. [2021-10-21 20:14:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-21 20:14:25,900 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:25,900 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:25,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:14:26,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 20:14:26,125 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:26,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:26,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2021-10-21 20:14:26,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:26,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058075550] [2021-10-21 20:14:26,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:26,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:14:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:26,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:14:26,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058075550] [2021-10-21 20:14:26,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058075550] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:26,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136078311] [2021-10-21 20:14:26,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 20:14:26,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:26,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:14:26,369 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:14:26,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 20:14:54,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-10-21 20:14:54,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:14:54,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 20:14:54,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:14:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:14:55,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136078311] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:14:55,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:14:55,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-21 20:14:55,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002158511] [2021-10-21 20:14:55,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-21 20:14:55,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:14:55,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 20:14:55,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:14:55,087 INFO L87 Difference]: Start difference. First operand 509 states and 604 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:55,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:14:55,220 INFO L93 Difference]: Finished difference Result 999 states and 1189 transitions. [2021-10-21 20:14:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:14:55,221 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-21 20:14:55,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:14:55,224 INFO L225 Difference]: With dead ends: 999 [2021-10-21 20:14:55,225 INFO L226 Difference]: Without dead ends: 512 [2021-10-21 20:14:55,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 84.8ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:14:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2021-10-21 20:14:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 511. [2021-10-21 20:14:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 472 states have (on average 1.2838983050847457) internal successors, (606), 510 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 606 transitions. [2021-10-21 20:14:55,243 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 606 transitions. Word has length 31 [2021-10-21 20:14:55,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:14:55,245 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 606 transitions. [2021-10-21 20:14:55,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:14:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 606 transitions. [2021-10-21 20:14:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:14:55,255 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:14:55,255 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:14:55,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:14:55,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:14:55,456 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:14:55,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:14:55,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2021-10-21 20:14:55,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:14:55,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796434567] [2021-10-21 20:14:55,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:14:55,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:14:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:14:56,221 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:14:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:14:56,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:14:56,945 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:14:56,946 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:14:56,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:14:56,967 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:14:57,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:14:57 BoogieIcfgContainer [2021-10-21 20:14:57,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:14:57,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:14:57,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:14:57,151 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:14:57,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:13:54" (3/4) ... [2021-10-21 20:14:57,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:14:57,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:14:57,157 INFO L168 Benchmark]: Toolchain (without parser) took 70308.15 ms. Allocated memory was 98.6 MB in the beginning and 402.7 MB in the end (delta: 304.1 MB). Free memory was 60.1 MB in the beginning and 308.7 MB in the end (delta: -248.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:14:57,158 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:14:57,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2480.67 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 60.0 MB in the beginning and 85.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:14:57,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 310.23 ms. Allocated memory is still 121.6 MB. Free memory was 85.4 MB in the beginning and 70.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:14:57,160 INFO L168 Benchmark]: Boogie Preprocessor took 198.10 ms. Allocated memory is still 121.6 MB. Free memory was 70.7 MB in the beginning and 60.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:14:57,160 INFO L168 Benchmark]: RCFGBuilder took 4919.69 ms. Allocated memory was 121.6 MB in the beginning and 293.6 MB in the end (delta: 172.0 MB). Free memory was 60.1 MB in the beginning and 226.9 MB in the end (delta: -166.7 MB). Peak memory consumption was 100.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:14:57,161 INFO L168 Benchmark]: TraceAbstraction took 62381.50 ms. Allocated memory was 293.6 MB in the beginning and 402.7 MB in the end (delta: 109.1 MB). Free memory was 226.9 MB in the beginning and 308.7 MB in the end (delta: -81.8 MB). Peak memory consumption was 220.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:14:57,161 INFO L168 Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 402.7 MB. Free memory is still 308.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:14:57,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2480.67 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 60.0 MB in the beginning and 85.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 310.23 ms. Allocated memory is still 121.6 MB. Free memory was 85.4 MB in the beginning and 70.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 198.10 ms. Allocated memory is still 121.6 MB. Free memory was 70.7 MB in the beginning and 60.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4919.69 ms. Allocated memory was 121.6 MB in the beginning and 293.6 MB in the end (delta: 172.0 MB). Free memory was 60.1 MB in the beginning and 226.9 MB in the end (delta: -166.7 MB). Peak memory consumption was 100.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 62381.50 ms. Allocated memory was 293.6 MB in the beginning and 402.7 MB in the end (delta: 109.1 MB). Free memory was 226.9 MB in the beginning and 308.7 MB in the end (delta: -81.8 MB). Peak memory consumption was 220.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.04 ms. Allocated memory is still 402.7 MB. Free memory is still 308.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1484. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] 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, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={98:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2672] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2672] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L1776] int ret; [L4480] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={49:0}, 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={95:0}, shared_workqueue={81:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 504 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 62102.8ms, OverallIterations: 12, TraceHistogramMax: 10, EmptinessCheckTime: 44.9ms, AutomataDifference: 1113.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6411 SDtfs, 9900 SDslu, 9814 SDs, 0 SdLazy, 260 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 392.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 390.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=11, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 296.1ms AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 475.2ms SsaConstructionTime, 52850.3ms SatisfiabilityAnalysisTime, 2513.1ms InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5237 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:14:57,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:14:59,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:14:59,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:14:59,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:14:59,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:14:59,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:14:59,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:14:59,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:14:59,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:14:59,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:14:59,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:14:59,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:14:59,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:14:59,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:14:59,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:14:59,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:14:59,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:14:59,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:14:59,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:14:59,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:14:59,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:14:59,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:14:59,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:14:59,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:14:59,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:14:59,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:14:59,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:14:59,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:14:59,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:14:59,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:14:59,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:14:59,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:14:59,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:14:59,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:14:59,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:14:59,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:14:59,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:14:59,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:14:59,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:15:00,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:15:00,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:15:00,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:15:00,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:15:00,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:15:00,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:15:00,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:15:00,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:15:00,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:15:00,033 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:15:00,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:15:00,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:15:00,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:15:00,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:15:00,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:15:00,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:15:00,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:15:00,035 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:15:00,035 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:15:00,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:15:00,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:15:00,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:15:00,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:15:00,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:15:00,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:15:00,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:15:00,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:15:00,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:15:00,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:15:00,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:15:00,039 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:15:00,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:15:00,039 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:15:00,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:15:00,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:15:00,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:15:00,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:15:00,040 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_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-10-21 20:15:00,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:15:00,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:15:00,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:15:00,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:15:00,523 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:15:00,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-10-21 20:15:00,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/270461144/391f0f317d9f4370ae8a0e9b0419124b/FLAGbdeaaf3f1 [2021-10-21 20:15:01,539 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:15:01,540 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-10-21 20:15:01,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/270461144/391f0f317d9f4370ae8a0e9b0419124b/FLAGbdeaaf3f1 [2021-10-21 20:15:02,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/data/270461144/391f0f317d9f4370ae8a0e9b0419124b [2021-10-21 20:15:02,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:15:02,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:15:02,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:02,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:15:02,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:15:02,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:02" (1/1) ... [2021-10-21 20:15:02,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@989cd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:02, skipping insertion in model container [2021-10-21 20:15:02,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:02" (1/1) ... [2021-10-21 20:15:02,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:15:02,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:15:02,428 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_46939c89-f300-4b68-aee3-b423875ab3a8/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-10-21 20:15:04,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:04,242 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:15:04,261 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_46939c89-f300-4b68-aee3-b423875ab3a8/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-10-21 20:15:04,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:04,676 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:15:04,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04 WrapperNode [2021-10-21 20:15:04,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:04,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:15:04,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:15:04,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:15:04,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:04,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:04,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:15:04,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:15:04,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:15:04,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:15:05,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:15:05,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:15:05,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:15:05,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:15:05,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (1/1) ... [2021-10-21 20:15:05,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:15:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:05,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:05,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:15:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:15:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-21 20:15:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:15:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-21 20:15:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:15:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:15:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:15:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:15:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-21 20:15:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:15:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-21 20:15:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:15:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:15:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:15:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-21 20:15:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-21 20:15:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-21 20:15:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:15:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:15:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 20:15:13,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:15:13,368 INFO L299 CfgBuilder]: Removed 575 assume(true) statements. [2021-10-21 20:15:13,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:13 BoogieIcfgContainer [2021-10-21 20:15:13,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:15:13,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:15:13,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:15:13,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:15:13,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:15:02" (1/3) ... [2021-10-21 20:15:13,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69867b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:15:13, skipping insertion in model container [2021-10-21 20:15:13,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:04" (2/3) ... [2021-10-21 20:15:13,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69867b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:15:13, skipping insertion in model container [2021-10-21 20:15:13,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:13" (3/3) ... [2021-10-21 20:15:13,386 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-10-21 20:15:13,393 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:15:13,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-21 20:15:13,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:15:13,498 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:15:13,498 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-21 20:15:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:15:13,550 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:13,551 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:13,551 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:15:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:13,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-21 20:15:13,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:13,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156437229] [2021-10-21 20:15:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:13,579 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:13,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:13,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:13,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:15:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:14,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 20:15:14,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:14,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:14,340 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:14,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156437229] [2021-10-21 20:15:14,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156437229] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:14,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:14,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 20:15:14,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358969920] [2021-10-21 20:15:14,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:15:14,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:14,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:15:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:15:14,370 INFO L87 Difference]: Start difference. First operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:14,443 INFO L93 Difference]: Finished difference Result 1003 states and 1293 transitions. [2021-10-21 20:15:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:15:14,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 20:15:14,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:14,470 INFO L225 Difference]: With dead ends: 1003 [2021-10-21 20:15:14,470 INFO L226 Difference]: Without dead ends: 491 [2021-10-21 20:15:14,480 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:15:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-10-21 20:15:14,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-10-21 20:15:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 452 states have (on average 1.2964601769911503) internal successors, (586), 490 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2021-10-21 20:15:14,602 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2021-10-21 20:15:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:14,603 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2021-10-21 20:15:14,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2021-10-21 20:15:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:15:14,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:14,605 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:14,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:14,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:14,823 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:15:14,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:14,826 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-21 20:15:14,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:14,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334792474] [2021-10-21 20:15:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:14,829 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:14,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:14,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:15:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:15,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:15:15,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:15,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:15,551 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:15,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334792474] [2021-10-21 20:15:15,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334792474] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:15,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:15,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-21 20:15:15,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349959004] [2021-10-21 20:15:15,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:15:15,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:15,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:15:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:15:15,556 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:15,741 INFO L93 Difference]: Finished difference Result 1466 states and 1752 transitions. [2021-10-21 20:15:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:15:15,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 20:15:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:15,751 INFO L225 Difference]: With dead ends: 1466 [2021-10-21 20:15:15,751 INFO L226 Difference]: Without dead ends: 980 [2021-10-21 20:15:15,753 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:15:15,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-10-21 20:15:15,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 495. [2021-10-21 20:15:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 456 states have (on average 1.293859649122807) internal successors, (590), 494 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 590 transitions. [2021-10-21 20:15:15,788 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 590 transitions. Word has length 11 [2021-10-21 20:15:15,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:15,788 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 590 transitions. [2021-10-21 20:15:15,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 590 transitions. [2021-10-21 20:15:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 20:15:15,790 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:15,791 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:15,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:16,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:16,005 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:15:16,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:16,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-10-21 20:15:16,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:16,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639557796] [2021-10-21 20:15:16,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:16,008 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:16,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:16,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 20:15:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:16,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:15:16,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:15:16,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:15:16,800 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:16,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639557796] [2021-10-21 20:15:16,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639557796] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 20:15:16,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:15:16,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 20:15:16,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75808720] [2021-10-21 20:15:16,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:15:16,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:16,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:15:16,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:15:16,803 INFO L87 Difference]: Start difference. First operand 495 states and 590 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:17,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:17,148 INFO L93 Difference]: Finished difference Result 990 states and 1183 transitions. [2021-10-21 20:15:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:15:17,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 20:15:17,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:17,153 INFO L225 Difference]: With dead ends: 990 [2021-10-21 20:15:17,153 INFO L226 Difference]: Without dead ends: 503 [2021-10-21 20:15:17,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 135.7ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:15:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2021-10-21 20:15:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2021-10-21 20:15:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 464 states have (on average 1.2866379310344827) internal successors, (597), 502 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 597 transitions. [2021-10-21 20:15:17,177 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 597 transitions. Word has length 17 [2021-10-21 20:15:17,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:17,178 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 597 transitions. [2021-10-21 20:15:17,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 597 transitions. [2021-10-21 20:15:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 20:15:17,179 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:17,180 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:17,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:17,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:17,405 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:15:17,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:17,406 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-10-21 20:15:17,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:17,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831989882] [2021-10-21 20:15:17,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:15:17,408 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:17,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:17,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:17,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 20:15:25,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:15:25,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:15:25,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:15:25,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:15:25,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:15:26,220 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:26,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831989882] [2021-10-21 20:15:26,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831989882] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 20:15:26,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:15:26,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-21 20:15:26,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812785586] [2021-10-21 20:15:26,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-21 20:15:26,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-21 20:15:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-21 20:15:26,224 INFO L87 Difference]: Start difference. First operand 503 states and 597 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:27,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:27,046 INFO L93 Difference]: Finished difference Result 998 states and 1189 transitions. [2021-10-21 20:15:27,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 20:15:27,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-21 20:15:27,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:27,051 INFO L225 Difference]: With dead ends: 998 [2021-10-21 20:15:27,051 INFO L226 Difference]: Without dead ends: 511 [2021-10-21 20:15:27,053 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 367.5ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-21 20:15:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2021-10-21 20:15:27,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2021-10-21 20:15:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 472 states have (on average 1.2817796610169492) internal successors, (605), 510 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 605 transitions. [2021-10-21 20:15:27,073 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 605 transitions. Word has length 25 [2021-10-21 20:15:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:27,074 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 605 transitions. [2021-10-21 20:15:27,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 605 transitions. [2021-10-21 20:15:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:15:27,076 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:27,076 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:27,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:27,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:27,302 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:15:27,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:27,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-10-21 20:15:27,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:27,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084236798] [2021-10-21 20:15:27,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 20:15:27,304 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:27,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:27,309 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:27,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 20:15:39,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-21 20:15:39,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 20:15:39,439 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:51,792 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 20:15:51,793 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:15:51,794 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:15:51,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:52,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:52,018 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:15:52,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:15:52 BoogieIcfgContainer [2021-10-21 20:15:52,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:15:52,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:15:52,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:15:52,286 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:15:52,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:13" (3/4) ... [2021-10-21 20:15:52,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:15:52,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:15:52,293 INFO L168 Benchmark]: Toolchain (without parser) took 50208.78 ms. Allocated memory was 58.7 MB in the beginning and 213.9 MB in the end (delta: 155.2 MB). Free memory was 31.8 MB in the beginning and 150.4 MB in the end (delta: -118.6 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,294 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:15:52,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2593.42 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 31.6 MB in the beginning and 65.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 319.25 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 51.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,297 INFO L168 Benchmark]: Boogie Preprocessor took 289.78 ms. Allocated memory is still 98.6 MB. Free memory was 51.5 MB in the beginning and 59.3 MB in the end (delta: -7.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,298 INFO L168 Benchmark]: RCFGBuilder took 8084.25 ms. Allocated memory was 98.6 MB in the beginning and 169.9 MB in the end (delta: 71.3 MB). Free memory was 59.3 MB in the beginning and 88.4 MB in the end (delta: -29.1 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,298 INFO L168 Benchmark]: TraceAbstraction took 38908.73 ms. Allocated memory was 169.9 MB in the beginning and 213.9 MB in the end (delta: 44.0 MB). Free memory was 87.3 MB in the beginning and 151.4 MB in the end (delta: -64.1 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,299 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 213.9 MB. Free memory was 151.4 MB in the beginning and 150.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:52,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2593.42 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 31.6 MB in the beginning and 65.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 319.25 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 51.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 289.78 ms. Allocated memory is still 98.6 MB. Free memory was 51.5 MB in the beginning and 59.3 MB in the end (delta: -7.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8084.25 ms. Allocated memory was 98.6 MB in the beginning and 169.9 MB in the end (delta: 71.3 MB). Free memory was 59.3 MB in the beginning and 88.4 MB in the end (delta: -29.1 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 38908.73 ms. Allocated memory was 169.9 MB in the beginning and 213.9 MB in the end (delta: 44.0 MB). Free memory was 87.3 MB in the beginning and 151.4 MB in the end (delta: -64.1 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.77 ms. Allocated memory is still 213.9 MB. Free memory was 151.4 MB in the beginning and 150.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] 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, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={-1:8}, ={0:0}, ={-1:7}, ={0:0}, action=0, cdev_registered={1048724:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2672] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L1776] int ret; [L4480] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048724:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1081787:0}, fixed_cdev_used=0, fixed_gendisk={-537952569:0}, fixed_request_queue={1081755:0}, genhd_registered={1074823564:0}, global_tty_driver={1609563753:0}, jiffies=0, kernel_lock={-537952570:0}, 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={1609531074:0}, registered_pci_driver={-1074823474:0}, shared_workqueue={1072660166:0}, tasklet_registered={806387996:0}, timer_registered={-1206877934:0}, zf_action=2048, zf_expect_close=0, zf_fops={1081745:0}, zf_info={-806388030:0}, zf_is_open={535789254:0}, zf_lock={-806388120:0}, zf_miscdev={-1609563752:0}, zf_notifier={537952666:0}, zf_port_lock={-269517208:0}, zf_timer={-1081662:0}] - 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 504 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 38531.9ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 21.1ms, AutomataDifference: 1511.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2343 SDtfs, 1753 SDslu, 5777 SDs, 0 SdLazy, 220 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 864.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 517.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 179.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 485 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 229.3ms SsaConstructionTime, 20778.3ms SatisfiabilityAnalysisTime, 1172.2ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1508 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:15:52,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46939c89-f300-4b68-aee3-b423875ab3a8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...