./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt --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 31d31f19d6102d681e76882a8d8f65cc05410b48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt --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 31d31f19d6102d681e76882a8d8f65cc05410b48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:23:27,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:23:27,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:23:27,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:23:27,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:23:27,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:23:27,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:23:27,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:23:27,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:23:27,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:23:27,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:23:27,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:23:27,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:23:27,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:23:27,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:23:27,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:23:27,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:23:27,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:23:27,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:23:27,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:23:27,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:23:27,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:23:27,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:23:27,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:23:27,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:23:27,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:23:27,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:23:27,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:23:27,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:23:27,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:23:27,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:23:27,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:23:27,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:23:27,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:23:27,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:23:27,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:23:27,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:23:27,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:23:27,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:23:27,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:23:27,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:23:27,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:23:27,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:23:27,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:23:27,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:23:27,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:23:27,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:23:27,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:23:27,308 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:23:27,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:23:27,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:23:27,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:23:27,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:23:27,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:23:27,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:23:27,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:23:27,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:23:27,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:23:27,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:23:27,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:23:27,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:23:27,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:23:27,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:23:27,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:23:27,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:23:27,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:23:27,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:23:27,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:23:27,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:23:27,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:23:27,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:23:27,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:23:27,315 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_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2021-10-13 01:23:27,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:23:27,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:23:27,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:23:27,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:23:27,611 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:23:27,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 01:23:27,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/163b4adfb/6e7663ea0cd94fdbbade062a746fffc7/FLAG275df8cf3 [2021-10-13 01:23:28,411 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:23:28,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 01:23:28,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/163b4adfb/6e7663ea0cd94fdbbade062a746fffc7/FLAG275df8cf3 [2021-10-13 01:23:28,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/163b4adfb/6e7663ea0cd94fdbbade062a746fffc7 [2021-10-13 01:23:28,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:23:28,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:23:28,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:23:28,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:23:28,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:23:28,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:23:28" (1/1) ... [2021-10-13 01:23:28,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47793cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:28, skipping insertion in model container [2021-10-13 01:23:28,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:23:28" (1/1) ... [2021-10-13 01:23:28,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:23:28,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:23:28,992 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_e4363121-ec87-47d2-aad9-0961fd531d6d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 01:23:30,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:23:30,248 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:23:30,262 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_e4363121-ec87-47d2-aad9-0961fd531d6d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 01:23:30,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:23:30,762 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:23:30,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30 WrapperNode [2021-10-13 01:23:30,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:23:30,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:23:30,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:23:30,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:23:30,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:30,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:23:31,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:23:31,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:23:31,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:23:31,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:23:31,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:23:31,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:23:31,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:23:31,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (1/1) ... [2021-10-13 01:23:31,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:23:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:31,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:31,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-13 01:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:23:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 01:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:23:36,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:23:36,383 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-13 01:23:36,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:36 BoogieIcfgContainer [2021-10-13 01:23:36,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:23:36,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:23:36,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:23:36,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:23:36,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:23:28" (1/3) ... [2021-10-13 01:23:36,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43dba1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:23:36, skipping insertion in model container [2021-10-13 01:23:36,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:30" (2/3) ... [2021-10-13 01:23:36,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43dba1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:23:36, skipping insertion in model container [2021-10-13 01:23:36,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:36" (3/3) ... [2021-10-13 01:23:36,403 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-13 01:23:36,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:23:36,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-13 01:23:36,478 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:23:36,485 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 01:23:36,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-13 01:23:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 01:23:36,544 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:36,544 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:36,546 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:36,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:36,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-13 01:23:36,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:36,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417671044] [2021-10-13 01:23:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:36,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:37,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:37,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417671044] [2021-10-13 01:23:37,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417671044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:23:37,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:23:37,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:23:37,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102274997] [2021-10-13 01:23:37,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:23:37,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:37,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:23:37,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:23:37,065 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:37,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:37,130 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-13 01:23:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:23:37,131 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 [2021-10-13 01:23:37,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:37,149 INFO L225 Difference]: With dead ends: 1205 [2021-10-13 01:23:37,149 INFO L226 Difference]: Without dead ends: 593 [2021-10-13 01:23:37,155 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 [2021-10-13 01:23:37,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-13 01:23:37,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-13 01:23:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-13 01:23:37,225 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-13 01:23:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:37,225 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-13 01:23:37,226 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) [2021-10-13 01:23:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-13 01:23:37,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 01:23:37,226 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:37,227 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:37,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:23:37,227 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:37,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:37,228 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-13 01:23:37,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:37,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544682620] [2021-10-13 01:23:37,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:37,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:37,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:37,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544682620] [2021-10-13 01:23:37,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544682620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:23:37,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:23:37,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:23:37,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525824675] [2021-10-13 01:23:37,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:23:37,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:37,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:23:37,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:23:37,387 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:37,514 INFO L93 Difference]: Finished difference Result 1185 states and 1376 transitions. [2021-10-13 01:23:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:23:37,515 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 [2021-10-13 01:23:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:37,519 INFO L225 Difference]: With dead ends: 1185 [2021-10-13 01:23:37,520 INFO L226 Difference]: Without dead ends: 597 [2021-10-13 01:23:37,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:23:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-10-13 01:23:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2021-10-13 01:23:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 533 states have (on average 1.2945590994371483) internal successors, (690), 594 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 690 transitions. [2021-10-13 01:23:37,553 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 690 transitions. Word has length 11 [2021-10-13 01:23:37,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:37,553 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 690 transitions. [2021-10-13 01:23:37,555 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) [2021-10-13 01:23:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 690 transitions. [2021-10-13 01:23:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 01:23:37,556 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:37,556 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:37,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:23:37,557 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:37,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:37,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2021-10-13 01:23:37,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:37,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141303231] [2021-10-13 01:23:37,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:37,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:37,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:37,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141303231] [2021-10-13 01:23:37,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141303231] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:37,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765299512] [2021-10-13 01:23:37,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:37,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:37,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:37,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:37,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:23:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:38,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:23:38,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:38,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765299512] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:38,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:38,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-13 01:23:38,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63441251] [2021-10-13 01:23:38,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:23:38,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:38,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:23:38,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:23:38,160 INFO L87 Difference]: Start difference. First operand 595 states and 690 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:38,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:38,221 INFO L93 Difference]: Finished difference Result 1188 states and 1378 transitions. [2021-10-13 01:23:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:23:38,222 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 [2021-10-13 01:23:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:38,226 INFO L225 Difference]: With dead ends: 1188 [2021-10-13 01:23:38,227 INFO L226 Difference]: Without dead ends: 599 [2021-10-13 01:23:38,228 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:23:38,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-13 01:23:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2021-10-13 01:23:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-13 01:23:38,251 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 15 [2021-10-13 01:23:38,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:38,251 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-13 01:23:38,252 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) [2021-10-13 01:23:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-13 01:23:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 01:23:38,253 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:38,253 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:38,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:38,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:38,476 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:38,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:38,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2021-10-13 01:23:38,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:38,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639186231] [2021-10-13 01:23:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:38,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:38,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:38,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639186231] [2021-10-13 01:23:38,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639186231] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:38,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243947225] [2021-10-13 01:23:38,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:23:38,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:38,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:38,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 01:23:41,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:23:41,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:41,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:23:41,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:41,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243947225] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:41,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:41,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-13 01:23:41,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167183390] [2021-10-13 01:23:41,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:23:41,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:41,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:23:41,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:23:41,371 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:41,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:41,442 INFO L93 Difference]: Finished difference Result 1190 states and 1380 transitions. [2021-10-13 01:23:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:23:41,442 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 [2021-10-13 01:23:41,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:41,448 INFO L225 Difference]: With dead ends: 1190 [2021-10-13 01:23:41,449 INFO L226 Difference]: Without dead ends: 601 [2021-10-13 01:23:41,450 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:23:41,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2021-10-13 01:23:41,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2021-10-13 01:23:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 537 states have (on average 1.2923649906890131) internal successors, (694), 598 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 694 transitions. [2021-10-13 01:23:41,469 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 694 transitions. Word has length 17 [2021-10-13 01:23:41,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:41,469 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 694 transitions. [2021-10-13 01:23:41,469 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) [2021-10-13 01:23:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 694 transitions. [2021-10-13 01:23:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 01:23:41,470 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:41,471 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:41,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:41,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:41,685 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:41,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2021-10-13 01:23:41,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:41,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960115714] [2021-10-13 01:23:41,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:41,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:41,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:41,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960115714] [2021-10-13 01:23:41,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960115714] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:41,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782898696] [2021-10-13 01:23:41,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:23:41,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:41,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:41,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:41,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 01:23:52,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-13 01:23:52,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:52,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:23:52,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:52,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782898696] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:52,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:52,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-13 01:23:52,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126533747] [2021-10-13 01:23:52,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 01:23:52,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:52,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:23:52,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:23:52,595 INFO L87 Difference]: Start difference. First operand 599 states and 694 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:52,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:52,697 INFO L93 Difference]: Finished difference Result 1192 states and 1382 transitions. [2021-10-13 01:23:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:23:52,698 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 [2021-10-13 01:23:52,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:52,715 INFO L225 Difference]: With dead ends: 1192 [2021-10-13 01:23:52,715 INFO L226 Difference]: Without dead ends: 603 [2021-10-13 01:23:52,716 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 22.9ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:23:52,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-10-13 01:23:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2021-10-13 01:23:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 539 states have (on average 1.2912801484230056) internal successors, (696), 600 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 696 transitions. [2021-10-13 01:23:52,740 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 696 transitions. Word has length 19 [2021-10-13 01:23:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:52,740 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 696 transitions. [2021-10-13 01:23:52,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 696 transitions. [2021-10-13 01:23:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 01:23:52,741 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:52,741 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:52,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:52,964 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:52,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2021-10-13 01:23:52,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:52,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365701505] [2021-10-13 01:23:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:52,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:53,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:53,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365701505] [2021-10-13 01:23:53,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365701505] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:53,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412564637] [2021-10-13 01:23:53,167 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 01:23:53,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:53,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:53,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:53,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 01:23:53,396 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 01:23:53,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:53,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:23:53,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:53,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412564637] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:53,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:53,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-13 01:23:53,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506511886] [2021-10-13 01:23:53,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:23:53,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:53,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:23:53,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:23:53,482 INFO L87 Difference]: Start difference. First operand 601 states and 696 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:53,556 INFO L93 Difference]: Finished difference Result 1194 states and 1384 transitions. [2021-10-13 01:23:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:23:53,557 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 [2021-10-13 01:23:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:53,561 INFO L225 Difference]: With dead ends: 1194 [2021-10-13 01:23:53,561 INFO L226 Difference]: Without dead ends: 605 [2021-10-13 01:23:53,562 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 28.1ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:23:53,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-13 01:23:53,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 603. [2021-10-13 01:23:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 541 states have (on average 1.2902033271719038) internal successors, (698), 602 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 698 transitions. [2021-10-13 01:23:53,580 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 698 transitions. Word has length 21 [2021-10-13 01:23:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:53,581 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 698 transitions. [2021-10-13 01:23:53,581 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) [2021-10-13 01:23:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 698 transitions. [2021-10-13 01:23:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 01:23:53,583 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:53,583 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:53,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:53,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:53,804 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:53,804 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2021-10-13 01:23:53,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:53,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35866172] [2021-10-13 01:23:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:53,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:54,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:54,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35866172] [2021-10-13 01:23:54,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35866172] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:54,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926555451] [2021-10-13 01:23:54,002 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 01:23:54,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:54,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:54,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 01:23:54,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-13 01:23:54,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:54,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:23:54,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:54,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926555451] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:54,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:54,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-13 01:23:54,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319776496] [2021-10-13 01:23:54,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 01:23:54,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:54,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:23:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:23:54,510 INFO L87 Difference]: Start difference. First operand 603 states and 698 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:54,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:54,617 INFO L93 Difference]: Finished difference Result 1196 states and 1386 transitions. [2021-10-13 01:23:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:23:54,618 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 [2021-10-13 01:23:54,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:54,622 INFO L225 Difference]: With dead ends: 1196 [2021-10-13 01:23:54,622 INFO L226 Difference]: Without dead ends: 607 [2021-10-13 01:23:54,623 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 40.4ms TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:23:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-10-13 01:23:54,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2021-10-13 01:23:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.289134438305709) internal successors, (700), 604 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 700 transitions. [2021-10-13 01:23:54,641 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 700 transitions. Word has length 23 [2021-10-13 01:23:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:54,641 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 700 transitions. [2021-10-13 01:23:54,642 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) [2021-10-13 01:23:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 700 transitions. [2021-10-13 01:23:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 01:23:54,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:54,643 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:54,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:54,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-13 01:23:54,872 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:23:54,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:54,872 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2021-10-13 01:23:54,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:54,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692342801] [2021-10-13 01:23:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:54,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:55,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:55,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692342801] [2021-10-13 01:23:55,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692342801] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:55,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096973705] [2021-10-13 01:23:55,072 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-13 01:23:55,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:55,074 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 01:24:20,291 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-13 01:24:20,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:24:20,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:24:20,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:20,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096973705] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:20,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:24:20,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-13 01:24:20,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814468251] [2021-10-13 01:24:20,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 01:24:20,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:24:20,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 01:24:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:24:20,514 INFO L87 Difference]: Start difference. First operand 605 states and 700 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:20,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:20,621 INFO L93 Difference]: Finished difference Result 1198 states and 1388 transitions. [2021-10-13 01:24:20,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 01:24:20,622 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 [2021-10-13 01:24:20,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:24:20,626 INFO L225 Difference]: With dead ends: 1198 [2021-10-13 01:24:20,626 INFO L226 Difference]: Without dead ends: 609 [2021-10-13 01:24:20,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 47.1ms TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:24:20,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-10-13 01:24:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 607. [2021-10-13 01:24:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 545 states have (on average 1.2880733944954128) internal successors, (702), 606 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 702 transitions. [2021-10-13 01:24:20,647 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 702 transitions. Word has length 25 [2021-10-13 01:24:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:24:20,648 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 702 transitions. [2021-10-13 01:24:20,648 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) [2021-10-13 01:24:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 702 transitions. [2021-10-13 01:24:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 01:24:20,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:24:20,649 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:24:20,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:20,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:20,876 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:24:20,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:20,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2021-10-13 01:24:20,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:20,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827072876] [2021-10-13 01:24:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:20,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:21,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:24:21,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827072876] [2021-10-13 01:24:21,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827072876] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:21,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054398405] [2021-10-13 01:24:21,144 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-13 01:24:21,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:21,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:24:21,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 01:24:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:21,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 01:24:21,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:21,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054398405] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:21,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:24:21,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-13 01:24:21,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901164370] [2021-10-13 01:24:21,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 01:24:21,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:24:21,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 01:24:21,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-13 01:24:21,671 INFO L87 Difference]: Start difference. First operand 607 states and 702 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:21,828 INFO L93 Difference]: Finished difference Result 1200 states and 1390 transitions. [2021-10-13 01:24:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 01:24:21,829 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 [2021-10-13 01:24:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:24:21,833 INFO L225 Difference]: With dead ends: 1200 [2021-10-13 01:24:21,833 INFO L226 Difference]: Without dead ends: 611 [2021-10-13 01:24:21,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 67.8ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-13 01:24:21,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-10-13 01:24:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2021-10-13 01:24:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 547 states have (on average 1.287020109689214) internal successors, (704), 608 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 704 transitions. [2021-10-13 01:24:21,856 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 704 transitions. Word has length 27 [2021-10-13 01:24:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:24:21,856 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 704 transitions. [2021-10-13 01:24:21,857 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) [2021-10-13 01:24:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 704 transitions. [2021-10-13 01:24:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 01:24:21,858 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:24:21,858 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:24:21,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:22,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:22,084 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:24:22,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:22,084 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2021-10-13 01:24:22,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:22,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56604025] [2021-10-13 01:24:22,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:22,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:22,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:24:22,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56604025] [2021-10-13 01:24:22,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56604025] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:22,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426028351] [2021-10-13 01:24:22,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:24:22,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:22,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:22,304 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:24:22,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 01:24:26,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:24:26,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:24:26,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:24:26,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:27,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426028351] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:27,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:24:27,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-13 01:24:27,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690026853] [2021-10-13 01:24:27,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 01:24:27,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:24:27,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 01:24:27,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-13 01:24:27,075 INFO L87 Difference]: Start difference. First operand 609 states and 704 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:27,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:27,186 INFO L93 Difference]: Finished difference Result 1202 states and 1392 transitions. [2021-10-13 01:24:27,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 01:24:27,186 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 [2021-10-13 01:24:27,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:24:27,190 INFO L225 Difference]: With dead ends: 1202 [2021-10-13 01:24:27,191 INFO L226 Difference]: Without dead ends: 613 [2021-10-13 01:24:27,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 79.5ms TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-13 01:24:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-13 01:24:27,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2021-10-13 01:24:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 549 states have (on average 1.2859744990892532) internal successors, (706), 610 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 706 transitions. [2021-10-13 01:24:27,211 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 706 transitions. Word has length 29 [2021-10-13 01:24:27,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:24:27,212 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 706 transitions. [2021-10-13 01:24:27,212 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) [2021-10-13 01:24:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 706 transitions. [2021-10-13 01:24:27,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 01:24:27,213 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:24:27,213 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:24:27,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:27,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 01:24:27,440 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:24:27,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:27,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2021-10-13 01:24:27,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:27,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924072618] [2021-10-13 01:24:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:27,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:27,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:24:27,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924072618] [2021-10-13 01:24:27,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924072618] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:27,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574129077] [2021-10-13 01:24:27,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:24:27,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:27,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:27,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:24:27,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 01:25:09,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-10-13 01:25:09,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:25:09,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:25:09,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:25:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:25:10,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574129077] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:25:10,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:25:10,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-13 01:25:10,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131042567] [2021-10-13 01:25:10,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 01:25:10,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:25:10,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 01:25:10,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:25:10,118 INFO L87 Difference]: Start difference. First operand 611 states and 706 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:10,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:25:10,248 INFO L93 Difference]: Finished difference Result 1203 states and 1393 transitions. [2021-10-13 01:25:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 01:25:10,248 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 [2021-10-13 01:25:10,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:25:10,252 INFO L225 Difference]: With dead ends: 1203 [2021-10-13 01:25:10,253 INFO L226 Difference]: Without dead ends: 614 [2021-10-13 01:25:10,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 86.4ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:25:10,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-13 01:25:10,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2021-10-13 01:25:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2849364791288567) internal successors, (708), 612 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2021-10-13 01:25:10,273 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 31 [2021-10-13 01:25:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:25:10,274 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2021-10-13 01:25:10,274 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) [2021-10-13 01:25:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2021-10-13 01:25:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 01:25:10,281 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:25:10,281 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:25:10,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-13 01:25:10,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:25:10,508 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:25:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:25:10,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2021-10-13 01:25:10,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:25:10,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146059730] [2021-10-13 01:25:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:25:10,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:25:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:25:11,555 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:25:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:25:12,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:25:12,195 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 01:25:12,196 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:25:12,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 01:25:12,218 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:25:12,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:25:12 BoogieIcfgContainer [2021-10-13 01:25:12,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:25:12,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:25:12,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:25:12,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:25:12,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:36" (3/4) ... [2021-10-13 01:25:12,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:25:12,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:25:12,503 INFO L168 Benchmark]: Toolchain (without parser) took 103871.31 ms. Allocated memory was 119.5 MB in the beginning and 316.7 MB in the end (delta: 197.1 MB). Free memory was 97.0 MB in the beginning and 106.2 MB in the end (delta: -9.2 MB). Peak memory consumption was 186.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:25:12,504 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:25:12,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2129.82 ms. Allocated memory is still 119.5 MB. Free memory was 97.0 MB in the beginning and 80.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:25:12,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 280.81 ms. Allocated memory is still 119.5 MB. Free memory was 80.8 MB in the beginning and 64.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:25:12,506 INFO L168 Benchmark]: Boogie Preprocessor took 171.17 ms. Allocated memory is still 119.5 MB. Free memory was 64.7 MB in the beginning and 53.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:25:12,506 INFO L168 Benchmark]: RCFGBuilder took 5172.49 ms. Allocated memory was 119.5 MB in the beginning and 262.1 MB in the end (delta: 142.6 MB). Free memory was 53.4 MB in the beginning and 126.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 139.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:25:12,507 INFO L168 Benchmark]: TraceAbstraction took 96102.36 ms. Allocated memory was 262.1 MB in the beginning and 316.7 MB in the end (delta: 54.5 MB). Free memory was 125.1 MB in the beginning and 107.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 98.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:25:12,507 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 316.7 MB. Free memory was 107.2 MB in the beginning and 106.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:25:12,510 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 81.8 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2129.82 ms. Allocated memory is still 119.5 MB. Free memory was 97.0 MB in the beginning and 80.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 280.81 ms. Allocated memory is still 119.5 MB. Free memory was 80.8 MB in the beginning and 64.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 171.17 ms. Allocated memory is still 119.5 MB. Free memory was 64.7 MB in the beginning and 53.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5172.49 ms. Allocated memory was 119.5 MB in the beginning and 262.1 MB in the end (delta: 142.6 MB). Free memory was 53.4 MB in the beginning and 126.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 139.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 96102.36 ms. Allocated memory was 262.1 MB in the beginning and 316.7 MB in the end (delta: 54.5 MB). Free memory was 125.1 MB in the beginning and 107.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 98.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.90 ms. Allocated memory is still 316.7 MB. Free memory was 107.2 MB in the beginning and 106.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1486. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={0:0}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 95739.6ms, OverallIterations: 12, TraceHistogramMax: 10, EmptinessCheckTime: 43.1ms, AutomataDifference: 1255.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7532 SDtfs, 11632 SDslu, 8838 SDs, 0 SdLazy, 248 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 395.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 406.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=11, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 261.0ms AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 491.9ms SsaConstructionTime, 86458.1ms SatisfiabilityAnalysisTime, 2511.1ms InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5813 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 01:25:12,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/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-4e77c04 [2021-10-13 01:25:15,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:25:15,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:25:15,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:25:15,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:25:15,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:25:15,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:25:15,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:25:15,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:25:15,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:25:15,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:25:15,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:25:15,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:25:15,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:25:15,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:25:15,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:25:15,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:25:15,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:25:15,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:25:15,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:25:15,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:25:15,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:25:15,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:25:15,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:25:15,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:25:15,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:25:15,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:25:15,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:25:15,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:25:15,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:25:15,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:25:15,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:25:15,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:25:15,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:25:15,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:25:15,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:25:15,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:25:15,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:25:15,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:25:15,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:25:15,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:25:15,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 01:25:15,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:25:15,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:25:15,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:25:15,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:25:15,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:25:15,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:25:15,244 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:25:15,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:25:15,244 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:25:15,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:25:15,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:25:15,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:25:15,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:25:15,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:25:15,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:25:15,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:25:15,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:25:15,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:25:15,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:25:15,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:25:15,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:25:15,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:25:15,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:25:15,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:25:15,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:25:15,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:25:15,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:25:15,250 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:25:15,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:25:15,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:25:15,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:25:15,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:25:15,252 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_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2021-10-13 01:25:15,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:25:15,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:25:15,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:25:15,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:25:15,663 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:25:15,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 01:25:15,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/95562ee80/438b641ef33443eda8257cbb0c0d61ca/FLAG42aaa637a [2021-10-13 01:25:16,562 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:25:16,563 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 01:25:16,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/95562ee80/438b641ef33443eda8257cbb0c0d61ca/FLAG42aaa637a [2021-10-13 01:25:17,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/data/95562ee80/438b641ef33443eda8257cbb0c0d61ca [2021-10-13 01:25:17,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:25:17,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:25:17,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:25:17,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:25:17,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:25:17,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:25:17" (1/1) ... [2021-10-13 01:25:17,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff8d270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:17, skipping insertion in model container [2021-10-13 01:25:17,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:25:17" (1/1) ... [2021-10-13 01:25:17,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:25:17,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:25:17,426 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_e4363121-ec87-47d2-aad9-0961fd531d6d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 01:25:18,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:25:18,850 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:25:18,864 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_e4363121-ec87-47d2-aad9-0961fd531d6d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 01:25:19,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:25:19,379 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:25:19,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19 WrapperNode [2021-10-13 01:25:19,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:25:19,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:25:19,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:25:19,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:25:19,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:25:19,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:25:19,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:25:19,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:25:19,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:19,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:25:19,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:25:19,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:25:19,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:25:19,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (1/1) ... [2021-10-13 01:25:20,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:25:20,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:25:20,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:25:20,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:25:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:25:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-13 01:25:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 01:25:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-13 01:25:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:25:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:25:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:25:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:25:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-13 01:25:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 01:25:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-13 01:25:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 01:25:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:25:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:25:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-13 01:25:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 01:25:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-13 01:25:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 01:25:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:25:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 01:25:28,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:25:28,612 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-13 01:25:28,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:28 BoogieIcfgContainer [2021-10-13 01:25:28,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:25:28,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:25:28,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:25:28,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:25:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:25:17" (1/3) ... [2021-10-13 01:25:28,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4f7831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:25:28, skipping insertion in model container [2021-10-13 01:25:28,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:19" (2/3) ... [2021-10-13 01:25:28,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4f7831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:25:28, skipping insertion in model container [2021-10-13 01:25:28,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:28" (3/3) ... [2021-10-13 01:25:28,627 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-13 01:25:28,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:25:28,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-13 01:25:28,727 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:25:28,740 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 01:25:28,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-13 01:25:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 01:25:28,792 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:25:28,793 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:25:28,794 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:25:28,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:25:28,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-13 01:25:28,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:25:28,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264021880] [2021-10-13 01:25:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:25:28,821 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:25:28,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:25:28,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:25:28,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 01:25:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:25:29,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 01:25:29,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:25:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:25:29,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:25:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:25:29,669 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:25:29,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264021880] [2021-10-13 01:25:29,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264021880] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:25:29,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:25:29,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 01:25:29,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669619513] [2021-10-13 01:25:29,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:25:29,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:25:29,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:25:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:25:29,699 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:25:29,849 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-13 01:25:29,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:25:29,851 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 [2021-10-13 01:25:29,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:25:29,881 INFO L225 Difference]: With dead ends: 1205 [2021-10-13 01:25:29,881 INFO L226 Difference]: Without dead ends: 593 [2021-10-13 01:25:29,892 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 [2021-10-13 01:25:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-13 01:25:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-13 01:25:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-13 01:25:30,022 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-13 01:25:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:25:30,023 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-13 01:25:30,025 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) [2021-10-13 01:25:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-13 01:25:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 01:25:30,026 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:25:30,026 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:25:30,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:25:30,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:25:30,245 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:25:30,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:25:30,246 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-13 01:25:30,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:25:30,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22753648] [2021-10-13 01:25:30,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:25:30,249 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:25:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:25:30,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:25:30,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 01:25:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:25:30,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:25:30,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:25:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:25:30,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:25:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:25:31,013 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:25:31,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22753648] [2021-10-13 01:25:31,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22753648] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:25:31,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:25:31,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 01:25:31,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106789148] [2021-10-13 01:25:31,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:25:31,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:25:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:25:31,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:25:31,018 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:25:31,285 INFO L93 Difference]: Finished difference Result 1772 states and 2058 transitions. [2021-10-13 01:25:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:25:31,287 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 [2021-10-13 01:25:31,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:25:31,300 INFO L225 Difference]: With dead ends: 1772 [2021-10-13 01:25:31,301 INFO L226 Difference]: Without dead ends: 1184 [2021-10-13 01:25:31,303 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:25:31,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-10-13 01:25:31,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 597. [2021-10-13 01:25:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-13 01:25:31,359 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 11 [2021-10-13 01:25:31,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:25:31,360 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-13 01:25:31,360 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) [2021-10-13 01:25:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-13 01:25:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 01:25:31,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:25:31,362 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:25:31,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:25:31,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:25:31,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:25:31,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:25:31,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-10-13 01:25:31,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:25:31,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539389450] [2021-10-13 01:25:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:25:31,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:25:31,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:25:31,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:25:31,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 01:25:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:25:32,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:25:32,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:25:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:25:32,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:25:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:25:32,477 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:25:32,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539389450] [2021-10-13 01:25:32,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539389450] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 01:25:32,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:25:32,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-13 01:25:32,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856412951] [2021-10-13 01:25:32,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:25:32,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:25:32,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:25:32,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:25:32,480 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:32,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:25:32,866 INFO L93 Difference]: Finished difference Result 1194 states and 1387 transitions. [2021-10-13 01:25:32,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:25:32,868 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 [2021-10-13 01:25:32,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:25:32,872 INFO L225 Difference]: With dead ends: 1194 [2021-10-13 01:25:32,872 INFO L226 Difference]: Without dead ends: 605 [2021-10-13 01:25:32,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 138.4ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:25:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-13 01:25:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-10-13 01:25:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.287292817679558) internal successors, (699), 604 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 699 transitions. [2021-10-13 01:25:32,899 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 699 transitions. Word has length 17 [2021-10-13 01:25:32,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:25:32,899 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 699 transitions. [2021-10-13 01:25:32,900 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) [2021-10-13 01:25:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 699 transitions. [2021-10-13 01:25:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 01:25:32,901 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:25:32,901 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:25:32,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:25:33,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:25:33,116 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:25:33,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:25:33,117 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-10-13 01:25:33,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:25:33,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152248426] [2021-10-13 01:25:33,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:25:33,119 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:25:33,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:25:33,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:25:33,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 01:25:47,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:25:47,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:25:47,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:25:47,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:25:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:25:47,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:25:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:25:48,296 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:25:48,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152248426] [2021-10-13 01:25:48,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152248426] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 01:25:48,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:25:48,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-13 01:25:48,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11520849] [2021-10-13 01:25:48,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 01:25:48,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:25:48,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 01:25:48,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-13 01:25:48,299 INFO L87 Difference]: Start difference. First operand 605 states and 699 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:25:49,140 INFO L93 Difference]: Finished difference Result 1202 states and 1393 transitions. [2021-10-13 01:25:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 01:25:49,141 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 [2021-10-13 01:25:49,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:25:49,146 INFO L225 Difference]: With dead ends: 1202 [2021-10-13 01:25:49,146 INFO L226 Difference]: Without dead ends: 613 [2021-10-13 01:25:49,147 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 402.2ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-13 01:25:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-13 01:25:49,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-10-13 01:25:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2831215970961887) internal successors, (707), 612 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:25:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 707 transitions. [2021-10-13 01:25:49,177 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 707 transitions. Word has length 25 [2021-10-13 01:25:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:25:49,177 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 707 transitions. [2021-10-13 01:25:49,178 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) [2021-10-13 01:25:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 707 transitions. [2021-10-13 01:25:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 01:25:49,179 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:25:49,180 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:25:49,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 01:25:49,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:25:49,396 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 01:25:49,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:25:49,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-10-13 01:25:49,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:25:49,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996779300] [2021-10-13 01:25:49,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:25:49,398 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:25:49,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:25:49,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:25:49,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 01:26:06,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-13 01:26:06,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-13 01:26:06,951 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:26:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:26:16,954 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 01:26:16,954 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 01:26:16,958 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:16,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:26:17,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:26:17,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:26:17,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:26:17,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:26:17 BoogieIcfgContainer [2021-10-13 01:26:17,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:26:17,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:26:17,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:26:17,447 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:26:17,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:28" (3/4) ... [2021-10-13 01:26:17,457 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:26:17,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:26:17,460 INFO L168 Benchmark]: Toolchain (without parser) took 60349.59 ms. Allocated memory was 54.5 MB in the beginning and 234.9 MB in the end (delta: 180.4 MB). Free memory was 28.4 MB in the beginning and 86.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 121.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:26:17,460 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:26:17,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2270.42 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 28.2 MB in the beginning and 57.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:26:17,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.68 ms. Allocated memory is still 90.2 MB. Free memory was 57.9 MB in the beginning and 42.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:26:17,466 INFO L168 Benchmark]: Boogie Preprocessor took 263.49 ms. Allocated memory is still 90.2 MB. Free memory was 42.8 MB in the beginning and 47.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:26:17,466 INFO L168 Benchmark]: RCFGBuilder took 8620.53 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 47.9 MB in the beginning and 125.5 MB in the end (delta: -77.6 MB). Peak memory consumption was 117.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:26:17,469 INFO L168 Benchmark]: TraceAbstraction took 48825.53 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 124.5 MB in the beginning and 86.7 MB in the end (delta: 37.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:26:17,470 INFO L168 Benchmark]: Witness Printer took 11.62 ms. Allocated memory is still 234.9 MB. Free memory is still 86.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:26:17,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2270.42 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 28.2 MB in the beginning and 57.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 347.68 ms. Allocated memory is still 90.2 MB. Free memory was 57.9 MB in the beginning and 42.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 263.49 ms. Allocated memory is still 90.2 MB. Free memory was 42.8 MB in the beginning and 47.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8620.53 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 47.9 MB in the beginning and 125.5 MB in the end (delta: -77.6 MB). Peak memory consumption was 117.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48825.53 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 124.5 MB in the beginning and 86.7 MB in the end (delta: 37.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * Witness Printer took 11.62 ms. Allocated memory is still 234.9 MB. Free memory is still 86.7 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 large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={-1:7}, ={-1:8}, ={0:0}, ={0:0}, action=0, cdev_registered={-2147483594:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 48466.5ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 19.2ms, AutomataDifference: 1744.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2750 SDtfs, 6141 SDslu, 6794 SDs, 0 SdLazy, 206 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 906.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 555.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 220.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 587 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 262.6ms SsaConstructionTime, 32660.3ms SatisfiabilityAnalysisTime, 1305.7ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 01:26:17,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4363121-ec87-47d2-aad9-0961fd531d6d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...