./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer --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 f2a28b716690d853e4267de531a39f6e4337982c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer --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 f2a28b716690d853e4267de531a39f6e4337982c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:01:52,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:01:52,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:01:52,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:01:52,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:01:52,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:01:52,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:01:52,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:01:52,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:01:52,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:01:52,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:01:52,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:01:52,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:01:52,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:01:52,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:01:52,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:01:52,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:01:52,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:01:52,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:01:52,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:01:52,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:01:52,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:01:52,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:01:52,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:01:52,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:01:52,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:01:52,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:01:52,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:01:52,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:01:52,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:01:52,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:01:52,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:01:52,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:01:52,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:01:52,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:01:52,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:01:52,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:01:52,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:01:52,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:01:52,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:01:52,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:01:52,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:01:52,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:01:52,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:01:52,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:01:52,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:01:52,505 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:01:52,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:01:52,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:01:52,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:01:52,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:01:52,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:01:52,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:01:52,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:01:52,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:01:52,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:01:52,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:01:52,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:01:52,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:01:52,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:01:52,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:01:52,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:01:52,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:01:52,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:01:52,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:01:52,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:01:52,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:01:52,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:01:52,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:01:52,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:01:52,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:01:52,513 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-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a28b716690d853e4267de531a39f6e4337982c [2020-11-30 01:01:52,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:01:52,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:01:52,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:01:52,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:01:52,867 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:01:52,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2020-11-30 01:01:52,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/d3a3f7a51/aa15fd57b1c74b9c94399906d97b3a44/FLAGdf597811d [2020-11-30 01:01:53,710 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:01:53,710 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2020-11-30 01:01:53,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/d3a3f7a51/aa15fd57b1c74b9c94399906d97b3a44/FLAGdf597811d [2020-11-30 01:01:53,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/d3a3f7a51/aa15fd57b1c74b9c94399906d97b3a44 [2020-11-30 01:01:53,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:01:53,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:01:53,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:01:53,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:01:53,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:01:53,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:53" (1/1) ... [2020-11-30 01:01:53,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cd314e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:53, skipping insertion in model container [2020-11-30 01:01:53,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:53" (1/1) ... [2020-11-30 01:01:53,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:01:54,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:01:55,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:01:55,844 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:01:56,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:01:56,740 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:01:56,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56 WrapperNode [2020-11-30 01:01:56,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:01:56,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:01:56,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:01:56,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:01:56,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:56,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:56,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:01:57,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:01:57,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:01:57,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:01:57,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... [2020-11-30 01:01:57,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:01:57,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:01:57,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:01:57,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:01:57,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:01:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:01:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-30 01:01:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:01:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:01:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:01:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:01:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:01:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 01:01:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:01:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:01:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 01:01:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:01:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:02:02,364 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:02:02,368 INFO L298 CfgBuilder]: Removed 653 assume(true) statements. [2020-11-30 01:02:02,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:02 BoogieIcfgContainer [2020-11-30 01:02:02,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:02:02,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:02:02,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:02:02,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:02:02,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:01:53" (1/3) ... [2020-11-30 01:02:02,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326018b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:02:02, skipping insertion in model container [2020-11-30 01:02:02,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:56" (2/3) ... [2020-11-30 01:02:02,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326018b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:02:02, skipping insertion in model container [2020-11-30 01:02:02,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:02" (3/3) ... [2020-11-30 01:02:02,383 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2020-11-30 01:02:02,394 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:02:02,402 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2020-11-30 01:02:02,415 INFO L253 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-11-30 01:02:02,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:02:02,463 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:02:02,464 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:02:02,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:02:02,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:02:02,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:02:02,464 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:02:02,465 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:02:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states. [2020-11-30 01:02:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:02:02,513 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:02,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:02,515 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:02,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:02,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2020-11-30 01:02:02,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:02,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301308862] [2020-11-30 01:02:02,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:03,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301308862] [2020-11-30 01:02:03,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:03,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:02:03,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807346641] [2020-11-30 01:02:03,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:02:03,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:03,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:02:03,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:02:03,083 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 2 states. [2020-11-30 01:02:03,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:03,150 INFO L93 Difference]: Finished difference Result 1042 states and 1332 transitions. [2020-11-30 01:02:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:02:03,152 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 01:02:03,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:03,170 INFO L225 Difference]: With dead ends: 1042 [2020-11-30 01:02:03,171 INFO L226 Difference]: Without dead ends: 491 [2020-11-30 01:02:03,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:02:03,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-11-30 01:02:03,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-11-30 01:02:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-11-30 01:02:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2020-11-30 01:02:03,278 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2020-11-30 01:02:03,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:03,278 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2020-11-30 01:02:03,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:02:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2020-11-30 01:02:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:02:03,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:03,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:03,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:02:03,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:03,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:03,284 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2020-11-30 01:02:03,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:03,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190809159] [2020-11-30 01:02:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:03,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190809159] [2020-11-30 01:02:03,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:03,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:02:03,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359137963] [2020-11-30 01:02:03,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:02:03,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:03,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:02:03,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:02:03,473 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand 3 states. [2020-11-30 01:02:03,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:03,583 INFO L93 Difference]: Finished difference Result 981 states and 1172 transitions. [2020-11-30 01:02:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:02:03,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-30 01:02:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:03,590 INFO L225 Difference]: With dead ends: 981 [2020-11-30 01:02:03,591 INFO L226 Difference]: Without dead ends: 495 [2020-11-30 01:02:03,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:02:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-11-30 01:02:03,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2020-11-30 01:02:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-11-30 01:02:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 588 transitions. [2020-11-30 01:02:03,631 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 588 transitions. Word has length 11 [2020-11-30 01:02:03,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:03,632 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 588 transitions. [2020-11-30 01:02:03,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:02:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 588 transitions. [2020-11-30 01:02:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:02:03,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:03,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:03,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:02:03,635 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:03,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:03,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2020-11-30 01:02:03,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:03,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141116267] [2020-11-30 01:02:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:03,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141116267] [2020-11-30 01:02:03,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500088570] [2020-11-30 01:02:03,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:04,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:02:04,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:04,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:04,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-11-30 01:02:04,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465260609] [2020-11-30 01:02:04,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:02:04,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:04,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:02:04,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:02:04,433 INFO L87 Difference]: Start difference. First operand 493 states and 588 transitions. Second operand 5 states. [2020-11-30 01:02:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:04,568 INFO L93 Difference]: Finished difference Result 984 states and 1174 transitions. [2020-11-30 01:02:04,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:02:04,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-30 01:02:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:04,573 INFO L225 Difference]: With dead ends: 984 [2020-11-30 01:02:04,573 INFO L226 Difference]: Without dead ends: 497 [2020-11-30 01:02:04,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:02:04,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-11-30 01:02:04,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 495. [2020-11-30 01:02:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-11-30 01:02:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 590 transitions. [2020-11-30 01:02:04,598 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 590 transitions. Word has length 15 [2020-11-30 01:02:04,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:04,598 INFO L481 AbstractCegarLoop]: Abstraction has 495 states and 590 transitions. [2020-11-30 01:02:04,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:02:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 590 transitions. [2020-11-30 01:02:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:02:04,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:04,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:04,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 01:02:04,826 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:04,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:04,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2020-11-30 01:02:04,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:04,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791720143] [2020-11-30 01:02:04,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:05,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791720143] [2020-11-30 01:02:05,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20956382] [2020-11-30 01:02:05,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:08,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:02:08,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:02:08,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:02:08,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:08,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:08,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-11-30 01:02:08,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050602598] [2020-11-30 01:02:08,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:02:08,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:08,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:02:08,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:02:08,263 INFO L87 Difference]: Start difference. First operand 495 states and 590 transitions. Second operand 6 states. [2020-11-30 01:02:08,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:08,364 INFO L93 Difference]: Finished difference Result 986 states and 1176 transitions. [2020-11-30 01:02:08,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:02:08,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-30 01:02:08,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:08,371 INFO L225 Difference]: With dead ends: 986 [2020-11-30 01:02:08,371 INFO L226 Difference]: Without dead ends: 499 [2020-11-30 01:02:08,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:02:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-11-30 01:02:08,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 497. [2020-11-30 01:02:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2020-11-30 01:02:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 592 transitions. [2020-11-30 01:02:08,391 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 592 transitions. Word has length 17 [2020-11-30 01:02:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:08,391 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 592 transitions. [2020-11-30 01:02:08,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:02:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 592 transitions. [2020-11-30 01:02:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:02:08,392 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:08,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:08,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:08,606 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:08,606 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2020-11-30 01:02:08,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:08,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028349743] [2020-11-30 01:02:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:08,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028349743] [2020-11-30 01:02:08,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843236383] [2020-11-30 01:02:08,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:14,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-30 01:02:14,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:02:14,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:02:14,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:14,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:14,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-11-30 01:02:14,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147396197] [2020-11-30 01:02:14,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:02:14,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:14,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:02:14,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:02:14,967 INFO L87 Difference]: Start difference. First operand 497 states and 592 transitions. Second operand 7 states. [2020-11-30 01:02:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:15,082 INFO L93 Difference]: Finished difference Result 988 states and 1178 transitions. [2020-11-30 01:02:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:02:15,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-30 01:02:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:15,086 INFO L225 Difference]: With dead ends: 988 [2020-11-30 01:02:15,087 INFO L226 Difference]: Without dead ends: 501 [2020-11-30 01:02:15,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:02:15,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-11-30 01:02:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 499. [2020-11-30 01:02:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-11-30 01:02:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 594 transitions. [2020-11-30 01:02:15,105 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 594 transitions. Word has length 19 [2020-11-30 01:02:15,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:15,109 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 594 transitions. [2020-11-30 01:02:15,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:02:15,109 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 594 transitions. [2020-11-30 01:02:15,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:02:15,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:15,111 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:15,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:15,338 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:15,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:15,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2020-11-30 01:02:15,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:15,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414361681] [2020-11-30 01:02:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:15,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414361681] [2020-11-30 01:02:15,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283236564] [2020-11-30 01:02:15,533 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:15,870 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-30 01:02:15,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:02:15,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:02:15,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:15,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:15,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-11-30 01:02:15,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939841433] [2020-11-30 01:02:15,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:02:15,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:15,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:02:15,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:02:15,921 INFO L87 Difference]: Start difference. First operand 499 states and 594 transitions. Second operand 8 states. [2020-11-30 01:02:16,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:16,019 INFO L93 Difference]: Finished difference Result 990 states and 1180 transitions. [2020-11-30 01:02:16,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:02:16,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-11-30 01:02:16,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:16,024 INFO L225 Difference]: With dead ends: 990 [2020-11-30 01:02:16,024 INFO L226 Difference]: Without dead ends: 503 [2020-11-30 01:02:16,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:02:16,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-11-30 01:02:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 501. [2020-11-30 01:02:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2020-11-30 01:02:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 596 transitions. [2020-11-30 01:02:16,045 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 596 transitions. Word has length 21 [2020-11-30 01:02:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:16,045 INFO L481 AbstractCegarLoop]: Abstraction has 501 states and 596 transitions. [2020-11-30 01:02:16,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:02:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 596 transitions. [2020-11-30 01:02:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:02:16,047 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:16,048 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:16,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:16,274 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:16,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:16,275 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2020-11-30 01:02:16,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:16,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943004557] [2020-11-30 01:02:16,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:16,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943004557] [2020-11-30 01:02:16,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667788315] [2020-11-30 01:02:16,530 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:17,036 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-11-30 01:02:17,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:02:17,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:02:17,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:17,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:17,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2020-11-30 01:02:17,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792981832] [2020-11-30 01:02:17,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 01:02:17,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:17,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:02:17,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:02:17,076 INFO L87 Difference]: Start difference. First operand 501 states and 596 transitions. Second operand 9 states. [2020-11-30 01:02:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:17,175 INFO L93 Difference]: Finished difference Result 992 states and 1182 transitions. [2020-11-30 01:02:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:02:17,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-30 01:02:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:17,179 INFO L225 Difference]: With dead ends: 992 [2020-11-30 01:02:17,179 INFO L226 Difference]: Without dead ends: 505 [2020-11-30 01:02:17,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:02:17,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-11-30 01:02:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 503. [2020-11-30 01:02:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-11-30 01:02:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 598 transitions. [2020-11-30 01:02:17,197 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 598 transitions. Word has length 23 [2020-11-30 01:02:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:17,197 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 598 transitions. [2020-11-30 01:02:17,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 01:02:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 598 transitions. [2020-11-30 01:02:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:02:17,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:17,199 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:17,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-30 01:02:17,414 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:17,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2020-11-30 01:02:17,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:17,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636656840] [2020-11-30 01:02:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:17,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636656840] [2020-11-30 01:02:17,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298139997] [2020-11-30 01:02:17,595 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:38,112 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2020-11-30 01:02:38,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:02:38,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:02:38,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:38,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:38,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-11-30 01:02:38,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702306313] [2020-11-30 01:02:38,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 01:02:38,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:38,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 01:02:38,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:02:38,409 INFO L87 Difference]: Start difference. First operand 503 states and 598 transitions. Second operand 10 states. [2020-11-30 01:02:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:38,550 INFO L93 Difference]: Finished difference Result 994 states and 1184 transitions. [2020-11-30 01:02:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:02:38,558 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-11-30 01:02:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:38,562 INFO L225 Difference]: With dead ends: 994 [2020-11-30 01:02:38,562 INFO L226 Difference]: Without dead ends: 507 [2020-11-30 01:02:38,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:02:38,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-11-30 01:02:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2020-11-30 01:02:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-11-30 01:02:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 600 transitions. [2020-11-30 01:02:38,582 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 600 transitions. Word has length 25 [2020-11-30 01:02:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:38,583 INFO L481 AbstractCegarLoop]: Abstraction has 505 states and 600 transitions. [2020-11-30 01:02:38,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 01:02:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 600 transitions. [2020-11-30 01:02:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:02:38,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:38,584 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:38,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:38,805 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:38,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2020-11-30 01:02:38,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:38,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257235753] [2020-11-30 01:02:38,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:39,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257235753] [2020-11-30 01:02:39,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254233190] [2020-11-30 01:02:39,025 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:39,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 01:02:39,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:39,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:39,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-11-30 01:02:39,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778703259] [2020-11-30 01:02:39,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 01:02:39,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:39,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 01:02:39,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:02:39,491 INFO L87 Difference]: Start difference. First operand 505 states and 600 transitions. Second operand 11 states. [2020-11-30 01:02:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:39,612 INFO L93 Difference]: Finished difference Result 996 states and 1186 transitions. [2020-11-30 01:02:39,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 01:02:39,612 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-11-30 01:02:39,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:39,616 INFO L225 Difference]: With dead ends: 996 [2020-11-30 01:02:39,616 INFO L226 Difference]: Without dead ends: 509 [2020-11-30 01:02:39,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:02:39,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-11-30 01:02:39,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 507. [2020-11-30 01:02:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-11-30 01:02:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 602 transitions. [2020-11-30 01:02:39,635 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 602 transitions. Word has length 27 [2020-11-30 01:02:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:39,638 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 602 transitions. [2020-11-30 01:02:39,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 01:02:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 602 transitions. [2020-11-30 01:02:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:02:39,640 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:39,640 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:39,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:39,858 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:39,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2020-11-30 01:02:39,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:39,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834206141] [2020-11-30 01:02:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:40,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834206141] [2020-11-30 01:02:40,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462488581] [2020-11-30 01:02:40,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:02:43,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:02:43,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:02:43,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 01:02:43,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:43,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:02:43,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-11-30 01:02:43,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180700919] [2020-11-30 01:02:43,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-30 01:02:43,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:43,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-30 01:02:43,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:02:43,882 INFO L87 Difference]: Start difference. First operand 507 states and 602 transitions. Second operand 12 states. [2020-11-30 01:02:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:44,022 INFO L93 Difference]: Finished difference Result 998 states and 1188 transitions. [2020-11-30 01:02:44,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 01:02:44,023 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-11-30 01:02:44,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:44,027 INFO L225 Difference]: With dead ends: 998 [2020-11-30 01:02:44,027 INFO L226 Difference]: Without dead ends: 511 [2020-11-30 01:02:44,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:02:44,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-11-30 01:02:44,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 509. [2020-11-30 01:02:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-11-30 01:02:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 604 transitions. [2020-11-30 01:02:44,047 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 604 transitions. Word has length 29 [2020-11-30 01:02:44,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:44,047 INFO L481 AbstractCegarLoop]: Abstraction has 509 states and 604 transitions. [2020-11-30 01:02:44,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-30 01:02:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 604 transitions. [2020-11-30 01:02:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:02:44,049 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:44,049 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:44,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 01:02:44,274 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:44,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:44,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2020-11-30 01:02:44,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:44,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194726599] [2020-11-30 01:02:44,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:44,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194726599] [2020-11-30 01:02:44,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623100770] [2020-11-30 01:02:44,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:03:24,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2020-11-30 01:03:24,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:03:25,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 01:03:25,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:03:25,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:03:25,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-11-30 01:03:25,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139764809] [2020-11-30 01:03:25,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-30 01:03:25,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:25,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-30 01:03:25,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-11-30 01:03:25,711 INFO L87 Difference]: Start difference. First operand 509 states and 604 transitions. Second operand 13 states. [2020-11-30 01:03:25,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:25,826 INFO L93 Difference]: Finished difference Result 999 states and 1189 transitions. [2020-11-30 01:03:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 01:03:25,827 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2020-11-30 01:03:25,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:25,830 INFO L225 Difference]: With dead ends: 999 [2020-11-30 01:03:25,831 INFO L226 Difference]: Without dead ends: 512 [2020-11-30 01:03:25,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-11-30 01:03:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-11-30 01:03:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 511. [2020-11-30 01:03:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-11-30 01:03:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 606 transitions. [2020-11-30 01:03:25,850 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 606 transitions. Word has length 31 [2020-11-30 01:03:25,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:25,850 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 606 transitions. [2020-11-30 01:03:25,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-30 01:03:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 606 transitions. [2020-11-30 01:03:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:03:25,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:25,852 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:26,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:03:26,078 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:26,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:26,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2020-11-30 01:03:26,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:26,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955066352] [2020-11-30 01:03:26,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:27,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:27,138 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:27,138 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:03:27,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:03:27,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:03:27 BoogieIcfgContainer [2020-11-30 01:03:27,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:03:27,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:03:27,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:03:27,385 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:03:27,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:02" (3/4) ... [2020-11-30 01:03:27,390 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:03:27,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:03:27,397 INFO L168 Benchmark]: Toolchain (without parser) took 93476.99 ms. Allocated memory was 100.7 MB in the beginning and 419.4 MB in the end (delta: 318.8 MB). Free memory was 67.8 MB in the beginning and 241.6 MB in the end (delta: -173.8 MB). Peak memory consumption was 144.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,398 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 57.1 MB in the beginning and 57.1 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:27,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2812.94 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 67.5 MB in the beginning and 80.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 258.58 ms. Allocated memory is still 138.4 MB. Free memory was 80.8 MB in the beginning and 65.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,400 INFO L168 Benchmark]: Boogie Preprocessor took 180.15 ms. Allocated memory is still 138.4 MB. Free memory was 65.1 MB in the beginning and 54.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,408 INFO L168 Benchmark]: RCFGBuilder took 5189.73 ms. Allocated memory was 138.4 MB in the beginning and 312.5 MB in the end (delta: 174.1 MB). Free memory was 54.7 MB in the beginning and 188.6 MB in the end (delta: -134.0 MB). Peak memory consumption was 135.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,410 INFO L168 Benchmark]: TraceAbstraction took 85009.35 ms. Allocated memory was 312.5 MB in the beginning and 419.4 MB in the end (delta: 107.0 MB). Free memory was 188.6 MB in the beginning and 242.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,411 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 419.4 MB. Free memory was 242.6 MB in the beginning and 241.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:27,417 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 100.7 MB. Free memory was 57.1 MB in the beginning and 57.1 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2812.94 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 67.5 MB in the beginning and 80.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 258.58 ms. Allocated memory is still 138.4 MB. Free memory was 80.8 MB in the beginning and 65.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.15 ms. Allocated memory is still 138.4 MB. Free memory was 65.1 MB in the beginning and 54.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5189.73 ms. Allocated memory was 138.4 MB in the beginning and 312.5 MB in the end (delta: 174.1 MB). Free memory was 54.7 MB in the beginning and 188.6 MB in the end (delta: -134.0 MB). Peak memory consumption was 135.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 85009.35 ms. Allocated memory was 312.5 MB in the beginning and 419.4 MB in the end (delta: 107.0 MB). Free memory was 188.6 MB in the beginning and 242.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.34 ms. Allocated memory is still 419.4 MB. Free memory was 242.6 MB in the beginning and 241.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 1484. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={0:0}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2672] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L1776] int ret; [L4480] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] [L3] __assert_fail("0", "ddv_machzwd_outb.i", 3, "reach_error") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={56:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={46:0}, genhd_registered={98:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={63:0}, 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={85:0}, registered_pci_driver={7:0}, shared_workqueue={51:0}, tasklet_registered={74:0}, timer_registered={59:0}, zf_action=2048, zf_expect_close=0, zf_fops={66:0}, zf_info={50:0}, zf_is_open={88:0}, zf_lock={79:0}, zf_miscdev={97:0}, zf_notifier={90:0}, zf_port_lock={92:0}, zf_timer={62:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 543 locations, 39 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 84.6s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6411 SDtfs, 7582 SDslu, 8105 SDs, 0 SdLazy, 286 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 74.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 19084 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5237 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:03:30,365 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-30 01:03:30,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:03:30,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:03:30,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:03:30,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:03:30,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:03:30,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:03:30,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:03:30,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:03:30,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:03:30,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:03:30,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:03:30,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:03:30,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:03:30,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:03:30,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:03:30,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:03:30,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:03:30,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:03:30,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:03:30,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:03:30,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:03:30,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:03:30,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:03:30,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:03:30,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:03:30,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:03:30,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:03:30,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:03:30,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:03:30,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:03:30,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:03:30,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:03:30,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:03:30,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:03:30,597 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:03:30,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:03:30,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:03:30,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:03:30,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:03:30,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:03:30,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:03:30,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:03:30,600 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:03:30,600 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:03:30,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:03:30,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:03:30,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:03:30,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:03:30,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:03:30,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:03:30,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:03:30,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:03:30,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:30,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:03:30,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:03:30,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:03:30,604 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:03:30,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:03:30,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:03:30,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:03:30,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:03:30,605 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-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a28b716690d853e4267de531a39f6e4337982c [2020-11-30 01:03:31,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:03:31,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:03:31,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:03:31,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:03:31,125 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:03:31,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2020-11-30 01:03:31,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/2be86521e/592572b83c2c476a8c883dd322da1b57/FLAG35b160e52 [2020-11-30 01:03:32,161 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:03:32,163 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2020-11-30 01:03:32,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/2be86521e/592572b83c2c476a8c883dd322da1b57/FLAG35b160e52 [2020-11-30 01:03:32,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/data/2be86521e/592572b83c2c476a8c883dd322da1b57 [2020-11-30 01:03:32,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:03:32,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:03:32,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:32,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:03:32,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:03:32,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:32" (1/1) ... [2020-11-30 01:03:32,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f86791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:32, skipping insertion in model container [2020-11-30 01:03:32,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:32" (1/1) ... [2020-11-30 01:03:32,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:03:32,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:03:35,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:35,387 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:03:35,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:36,381 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:03:36,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36 WrapperNode [2020-11-30 01:03:36,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:36,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:36,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:03:36,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:03:36,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:36,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:03:36,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:03:36,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:03:36,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... [2020-11-30 01:03:36,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:03:36,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:03:36,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:03:36,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:03:36,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:03:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-11-30 01:03:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:03:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 01:03:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:03:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:03:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:03:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:03:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-11-30 01:03:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:03:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-11-30 01:03:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 01:03:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:03:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:03:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-11-30 01:03:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 01:03:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-11-30 01:03:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:03:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 01:03:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 01:03:46,561 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:03:46,562 INFO L298 CfgBuilder]: Removed 653 assume(true) statements. [2020-11-30 01:03:46,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:46 BoogieIcfgContainer [2020-11-30 01:03:46,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:03:46,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:03:46,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:03:46,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:03:46,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:03:32" (1/3) ... [2020-11-30 01:03:46,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333cc941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:46, skipping insertion in model container [2020-11-30 01:03:46,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:36" (2/3) ... [2020-11-30 01:03:46,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333cc941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:46, skipping insertion in model container [2020-11-30 01:03:46,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:46" (3/3) ... [2020-11-30 01:03:46,581 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2020-11-30 01:03:46,595 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:03:46,601 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2020-11-30 01:03:46,615 INFO L253 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-11-30 01:03:46,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:03:46,673 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:03:46,674 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:03:46,674 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:03:46,674 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:03:46,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:03:46,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:03:46,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:03:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states. [2020-11-30 01:03:46,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:03:46,727 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:46,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:46,728 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:46,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:46,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2020-11-30 01:03:46,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:46,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062321046] [2020-11-30 01:03:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:47,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:03:47,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:47,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:03:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:47,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062321046] [2020-11-30 01:03:47,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:47,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:03:47,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882666970] [2020-11-30 01:03:47,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:03:47,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:03:47,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:03:47,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:47,599 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 2 states. [2020-11-30 01:03:47,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:47,673 INFO L93 Difference]: Finished difference Result 1042 states and 1332 transitions. [2020-11-30 01:03:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:03:47,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 01:03:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:47,709 INFO L225 Difference]: With dead ends: 1042 [2020-11-30 01:03:47,709 INFO L226 Difference]: Without dead ends: 491 [2020-11-30 01:03:47,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-11-30 01:03:47,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-11-30 01:03:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-11-30 01:03:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2020-11-30 01:03:47,840 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2020-11-30 01:03:47,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:47,840 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2020-11-30 01:03:47,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:03:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2020-11-30 01:03:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:03:47,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:47,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:48,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:03:48,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:48,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2020-11-30 01:03:48,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:48,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712690594] [2020-11-30 01:03:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:48,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:03:48,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:48,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:03:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:48,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712690594] [2020-11-30 01:03:48,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:48,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 01:03:48,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312294294] [2020-11-30 01:03:48,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:03:48,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:03:48,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:03:48,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:48,935 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand 4 states. [2020-11-30 01:03:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:49,170 INFO L93 Difference]: Finished difference Result 1466 states and 1752 transitions. [2020-11-30 01:03:49,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:03:49,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-30 01:03:49,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:49,180 INFO L225 Difference]: With dead ends: 1466 [2020-11-30 01:03:49,184 INFO L226 Difference]: Without dead ends: 980 [2020-11-30 01:03:49,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-11-30 01:03:49,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 495. [2020-11-30 01:03:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-11-30 01:03:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 590 transitions. [2020-11-30 01:03:49,221 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 590 transitions. Word has length 11 [2020-11-30 01:03:49,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:49,221 INFO L481 AbstractCegarLoop]: Abstraction has 495 states and 590 transitions. [2020-11-30 01:03:49,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:03:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 590 transitions. [2020-11-30 01:03:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:03:49,224 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:49,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:49,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:03:49,438 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:49,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:49,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2020-11-30 01:03:49,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:49,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404559099] [2020-11-30 01:03:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:50,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:03:50,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:03:50,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:03:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:03:50,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404559099] [2020-11-30 01:03:50,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:03:50,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-30 01:03:50,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211013535] [2020-11-30 01:03:50,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:03:50,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:03:50,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:03:50,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:03:50,264 INFO L87 Difference]: Start difference. First operand 495 states and 590 transitions. Second operand 8 states. [2020-11-30 01:03:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:50,759 INFO L93 Difference]: Finished difference Result 990 states and 1183 transitions. [2020-11-30 01:03:50,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:03:50,761 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-11-30 01:03:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:50,764 INFO L225 Difference]: With dead ends: 990 [2020-11-30 01:03:50,764 INFO L226 Difference]: Without dead ends: 503 [2020-11-30 01:03:50,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:03:50,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-11-30 01:03:50,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2020-11-30 01:03:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-11-30 01:03:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 597 transitions. [2020-11-30 01:03:50,791 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 597 transitions. Word has length 17 [2020-11-30 01:03:50,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:50,792 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 597 transitions. [2020-11-30 01:03:50,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:03:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 597 transitions. [2020-11-30 01:03:50,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:03:50,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:50,794 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:51,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:03:51,010 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:51,011 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2020-11-30 01:03:51,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:51,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334305280] [2020-11-30 01:03:51,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:59,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:03:59,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:03:59,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:03:59,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:03:59,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:04:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:04:00,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334305280] [2020-11-30 01:04:00,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:04:00,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-11-30 01:04:00,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992885122] [2020-11-30 01:04:00,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-30 01:04:00,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:04:00,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-30 01:04:00,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-11-30 01:04:00,159 INFO L87 Difference]: Start difference. First operand 503 states and 597 transitions. Second operand 16 states. [2020-11-30 01:04:01,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:01,191 INFO L93 Difference]: Finished difference Result 998 states and 1189 transitions. [2020-11-30 01:04:01,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 01:04:01,192 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-30 01:04:01,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:01,196 INFO L225 Difference]: With dead ends: 998 [2020-11-30 01:04:01,197 INFO L226 Difference]: Without dead ends: 511 [2020-11-30 01:04:01,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-11-30 01:04:01,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-11-30 01:04:01,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2020-11-30 01:04:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-11-30 01:04:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 605 transitions. [2020-11-30 01:04:01,222 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 605 transitions. Word has length 25 [2020-11-30 01:04:01,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:01,223 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 605 transitions. [2020-11-30 01:04:01,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-30 01:04:01,224 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 605 transitions. [2020-11-30 01:04:01,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:04:01,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:01,225 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:01,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:04:01,426 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2020-11-30 01:04:01,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:04:01,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918420180] [2020-11-30 01:04:01,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6520426-7882-4711-b754-16b42076e3cb/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 01:04:13,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2020-11-30 01:04:13,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-11-30 01:04:13,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:04:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:04:22,045 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:04:22,622 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 01:04:22,623 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:04:22,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 01:04:23,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:04:23 BoogieIcfgContainer [2020-11-30 01:04:23,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:04:23,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:04:23,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:04:23,141 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:04:23,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:46" (3/4) ... [2020-11-30 01:04:23,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:04:23,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:04:23,150 INFO L168 Benchmark]: Toolchain (without parser) took 50463.52 ms. Allocated memory was 52.4 MB in the beginning and 243.3 MB in the end (delta: 190.8 MB). Free memory was 24.5 MB in the beginning and 81.3 MB in the end (delta: -56.8 MB). Peak memory consumption was 133.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,151 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:04:23,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3694.55 ms. Allocated memory was 52.4 MB in the beginning and 102.8 MB in the end (delta: 50.3 MB). Free memory was 24.4 MB in the beginning and 50.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 284.06 ms. Allocated memory is still 102.8 MB. Free memory was 50.8 MB in the beginning and 37.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,159 INFO L168 Benchmark]: Boogie Preprocessor took 217.66 ms. Allocated memory is still 102.8 MB. Free memory was 37.0 MB in the beginning and 62.8 MB in the end (delta: -25.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,160 INFO L168 Benchmark]: RCFGBuilder took 9682.61 ms. Allocated memory was 102.8 MB in the beginning and 201.3 MB in the end (delta: 98.6 MB). Free memory was 62.8 MB in the beginning and 85.7 MB in the end (delta: -22.9 MB). Peak memory consumption was 106.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,163 INFO L168 Benchmark]: TraceAbstraction took 36561.48 ms. Allocated memory was 201.3 MB in the beginning and 243.3 MB in the end (delta: 41.9 MB). Free memory was 84.6 MB in the beginning and 82.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,163 INFO L168 Benchmark]: Witness Printer took 13.29 ms. Allocated memory is still 243.3 MB. Free memory was 82.4 MB in the beginning and 81.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:23,175 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 52.4 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3694.55 ms. Allocated memory was 52.4 MB in the beginning and 102.8 MB in the end (delta: 50.3 MB). Free memory was 24.4 MB in the beginning and 50.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 284.06 ms. Allocated memory is still 102.8 MB. Free memory was 50.8 MB in the beginning and 37.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 217.66 ms. Allocated memory is still 102.8 MB. Free memory was 37.0 MB in the beginning and 62.8 MB in the end (delta: -25.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9682.61 ms. Allocated memory was 102.8 MB in the beginning and 201.3 MB in the end (delta: 98.6 MB). Free memory was 62.8 MB in the beginning and 85.7 MB in the end (delta: -22.9 MB). Peak memory consumption was 106.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36561.48 ms. Allocated memory was 201.3 MB in the beginning and 243.3 MB in the end (delta: 41.9 MB). Free memory was 84.6 MB in the beginning and 82.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * Witness Printer took 13.29 ms. Allocated memory is still 243.3 MB. Free memory was 82.4 MB in the beginning and 81.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={-2113833599:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2672] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L1776] int ret; [L4480] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] [L3] __assert_fail("0", "ddv_machzwd_outb.i", 3, "reach_error") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2113833599:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1073645823:0}, fixed_cdev_used=0, fixed_gendisk={-2113833725:0}, fixed_request_queue={-1576988667:0}, genhd_registered={-2113833727:0}, global_tty_driver={-1576988671:0}, jiffies=0, kernel_lock={-1576988672:0}, 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={570494985:0}, registered_pci_driver={-1040091903:0}, shared_workqueue={-234811391:0}, tasklet_registered={1644236809:0}, timer_registered={302059521:0}, zf_action=2048, zf_expect_close=0, zf_fops={-1040091391:0}, zf_info={-2113859573:0}, zf_is_open={-1576988657:0}, zf_lock={1644236921:0}, zf_miscdev={570495105:0}, zf_notifier={570494977:0}, zf_port_lock={1644761193:0}, zf_timer={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 543 locations, 39 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 36.1s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2343 SDtfs, 3498 SDslu, 5772 SDs, 0 SdLazy, 197 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 485 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 21.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 4376 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1508 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...