./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6685c04a489eb5adb50802dad290085ec903509b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6685c04a489eb5adb50802dad290085ec903509b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:19:27,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:19:27,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:19:27,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:19:27,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:19:27,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:19:27,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:19:27,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:19:27,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:19:27,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:19:27,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:19:27,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:19:27,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:19:27,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:19:27,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:19:27,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:19:27,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:19:27,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:19:27,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:19:27,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:19:27,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:19:27,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:19:27,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:19:27,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:19:27,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:19:27,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:19:27,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:19:27,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:19:27,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:19:27,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:19:27,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:19:27,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:19:27,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:19:27,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:19:27,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:19:27,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:19:27,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:19:27,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:19:27,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:19:27,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:19:27,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:19:27,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:19:27,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:19:27,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:19:27,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:19:27,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:19:27,436 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:19:27,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:19:27,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:19:27,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:19:27,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:19:27,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:19:27,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_55db1cb8-301e-4485-910e-c82e8ab0d82c/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(__VERIFIER_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 -> 6685c04a489eb5adb50802dad290085ec903509b [2019-12-07 18:19:27,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:19:27,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:19:27,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:19:27,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:19:27,556 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:19:27,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 18:19:27,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/99b4c054d/e1450d7a581941b09aa8d78b4e640880/FLAG92025b4cf [2019-12-07 18:19:28,051 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:19:28,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 18:19:28,068 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/99b4c054d/e1450d7a581941b09aa8d78b4e640880/FLAG92025b4cf [2019-12-07 18:19:28,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/99b4c054d/e1450d7a581941b09aa8d78b4e640880 [2019-12-07 18:19:28,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:19:28,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:19:28,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:19:28,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:19:28,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:19:28,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:19:28" (1/1) ... [2019-12-07 18:19:28,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753dfd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:28, skipping insertion in model container [2019-12-07 18:19:28,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:19:28" (1/1) ... [2019-12-07 18:19:28,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:19:28,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:19:29,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:19:29,488 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:19:29,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:19:29,862 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:19:29,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29 WrapperNode [2019-12-07 18:19:29,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:19:29,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:19:29,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:19:29,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:19:29,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:29,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:29,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:19:29,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:19:29,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:19:29,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:19:29,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:29,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:30,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:30,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:30,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:30,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:30,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... [2019-12-07 18:19:30,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:19:30,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:19:30,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:19:30,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:19:30,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:19:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 18:19:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:19:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:19:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:19:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:19:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:19:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:19:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:19:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:19:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:19:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:19:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:19:32,198 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:19:32,198 INFO L287 CfgBuilder]: Removed 563 assume(true) statements. [2019-12-07 18:19:32,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:19:32 BoogieIcfgContainer [2019-12-07 18:19:32,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:19:32,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:19:32,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:19:32,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:19:32,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:19:28" (1/3) ... [2019-12-07 18:19:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e2244d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:19:32, skipping insertion in model container [2019-12-07 18:19:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:19:29" (2/3) ... [2019-12-07 18:19:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e2244d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:19:32, skipping insertion in model container [2019-12-07 18:19:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:19:32" (3/3) ... [2019-12-07 18:19:32,205 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2019-12-07 18:19:32,211 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:19:32,216 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-12-07 18:19:32,224 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-12-07 18:19:32,242 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:19:32,242 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:19:32,242 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:19:32,242 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:19:32,243 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:19:32,243 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:19:32,243 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:19:32,243 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:19:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states. [2019-12-07 18:19:32,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:19:32,267 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:32,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:32,269 INFO L410 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]=== [2019-12-07 18:19:32,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:32,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2019-12-07 18:19:32,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:32,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128927472] [2019-12-07 18:19:32,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:19:32,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128927472] [2019-12-07 18:19:32,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:19:32,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:19:32,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281179529] [2019-12-07 18:19:32,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:19:32,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:32,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:19:32,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:19:32,527 INFO L87 Difference]: Start difference. First operand 493 states. Second operand 2 states. [2019-12-07 18:19:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:32,567 INFO L93 Difference]: Finished difference Result 981 states and 1259 transitions. [2019-12-07 18:19:32,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:19:32,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:19:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:32,580 INFO L225 Difference]: With dead ends: 981 [2019-12-07 18:19:32,580 INFO L226 Difference]: Without dead ends: 480 [2019-12-07 18:19:32,584 INFO L630 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 [2019-12-07 18:19:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2019-12-07 18:19:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2019-12-07 18:19:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-12-07 18:19:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 575 transitions. [2019-12-07 18:19:32,632 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 575 transitions. Word has length 11 [2019-12-07 18:19:32,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:32,632 INFO L462 AbstractCegarLoop]: Abstraction has 480 states and 575 transitions. [2019-12-07 18:19:32,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:19:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 575 transitions. [2019-12-07 18:19:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:19:32,633 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:32,633 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:32,634 INFO L410 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]=== [2019-12-07 18:19:32,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2019-12-07 18:19:32,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:32,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257951430] [2019-12-07 18:19:32,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:19:32,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257951430] [2019-12-07 18:19:32,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:19:32,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:19:32,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237250900] [2019-12-07 18:19:32,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:19:32,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:32,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:19:32,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:19:32,719 INFO L87 Difference]: Start difference. First operand 480 states and 575 transitions. Second operand 3 states. [2019-12-07 18:19:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:32,765 INFO L93 Difference]: Finished difference Result 959 states and 1150 transitions. [2019-12-07 18:19:32,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:19:32,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-07 18:19:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:32,769 INFO L225 Difference]: With dead ends: 959 [2019-12-07 18:19:32,769 INFO L226 Difference]: Without dead ends: 484 [2019-12-07 18:19:32,772 INFO L630 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 [2019-12-07 18:19:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-12-07 18:19:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 482. [2019-12-07 18:19:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-12-07 18:19:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 577 transitions. [2019-12-07 18:19:32,788 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 577 transitions. Word has length 11 [2019-12-07 18:19:32,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:32,788 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 577 transitions. [2019-12-07 18:19:32,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:19:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 577 transitions. [2019-12-07 18:19:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:19:32,789 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:32,789 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:32,789 INFO L410 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]=== [2019-12-07 18:19:32,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:32,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2019-12-07 18:19:32,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:32,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017122062] [2019-12-07 18:19:32,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:32,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017122062] [2019-12-07 18:19:32,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729891875] [2019-12-07 18:19:32,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:33,168 INFO L264 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:19:33,172 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:33,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:33,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-12-07 18:19:33,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146611373] [2019-12-07 18:19:33,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:19:33,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:33,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:19:33,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:19:33,188 INFO L87 Difference]: Start difference. First operand 482 states and 577 transitions. Second operand 5 states. [2019-12-07 18:19:33,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:33,224 INFO L93 Difference]: Finished difference Result 962 states and 1152 transitions. [2019-12-07 18:19:33,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:19:33,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-07 18:19:33,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:33,228 INFO L225 Difference]: With dead ends: 962 [2019-12-07 18:19:33,228 INFO L226 Difference]: Without dead ends: 486 [2019-12-07 18:19:33,229 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:19:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2019-12-07 18:19:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 484. [2019-12-07 18:19:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-12-07 18:19:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 579 transitions. [2019-12-07 18:19:33,243 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 579 transitions. Word has length 15 [2019-12-07 18:19:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:33,244 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 579 transitions. [2019-12-07 18:19:33,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:19:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 579 transitions. [2019-12-07 18:19:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 18:19:33,244 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:33,244 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:33,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:33,446 INFO L410 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]=== [2019-12-07 18:19:33,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2019-12-07 18:19:33,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:33,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814354987] [2019-12-07 18:19:33,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:33,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814354987] [2019-12-07 18:19:33,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610669011] [2019-12-07 18:19:33,634 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:35,544 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:19:35,544 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:19:35,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:19:35,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:35,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:35,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-12-07 18:19:35,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700621229] [2019-12-07 18:19:35,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 18:19:35,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:35,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:19:35,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:19:35,558 INFO L87 Difference]: Start difference. First operand 484 states and 579 transitions. Second operand 6 states. [2019-12-07 18:19:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:35,600 INFO L93 Difference]: Finished difference Result 964 states and 1154 transitions. [2019-12-07 18:19:35,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:19:35,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-12-07 18:19:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:35,602 INFO L225 Difference]: With dead ends: 964 [2019-12-07 18:19:35,602 INFO L226 Difference]: Without dead ends: 488 [2019-12-07 18:19:35,603 INFO L630 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 [2019-12-07 18:19:35,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-12-07 18:19:35,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2019-12-07 18:19:35,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2019-12-07 18:19:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 581 transitions. [2019-12-07 18:19:35,612 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 581 transitions. Word has length 17 [2019-12-07 18:19:35,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:35,612 INFO L462 AbstractCegarLoop]: Abstraction has 486 states and 581 transitions. [2019-12-07 18:19:35,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 18:19:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 581 transitions. [2019-12-07 18:19:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 18:19:35,613 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:35,613 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:35,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:35,814 INFO L410 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]=== [2019-12-07 18:19:35,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:35,815 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2019-12-07 18:19:35,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:35,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984958742] [2019-12-07 18:19:35,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:35,968 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984958742] [2019-12-07 18:19:35,968 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520740816] [2019-12-07 18:19:35,968 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:40,048 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-07 18:19:40,049 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:19:40,057 INFO L264 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:19:40,059 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:40,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:40,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-12-07 18:19:40,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921842194] [2019-12-07 18:19:40,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 18:19:40,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:40,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 18:19:40,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:19:40,067 INFO L87 Difference]: Start difference. First operand 486 states and 581 transitions. Second operand 7 states. [2019-12-07 18:19:40,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:40,111 INFO L93 Difference]: Finished difference Result 966 states and 1156 transitions. [2019-12-07 18:19:40,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:19:40,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-12-07 18:19:40,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:40,115 INFO L225 Difference]: With dead ends: 966 [2019-12-07 18:19:40,115 INFO L226 Difference]: Without dead ends: 490 [2019-12-07 18:19:40,116 INFO L630 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 [2019-12-07 18:19:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-12-07 18:19:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2019-12-07 18:19:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2019-12-07 18:19:40,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 583 transitions. [2019-12-07 18:19:40,129 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 583 transitions. Word has length 19 [2019-12-07 18:19:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:40,130 INFO L462 AbstractCegarLoop]: Abstraction has 488 states and 583 transitions. [2019-12-07 18:19:40,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 18:19:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 583 transitions. [2019-12-07 18:19:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 18:19:40,131 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:40,131 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:40,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:40,332 INFO L410 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]=== [2019-12-07 18:19:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:40,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2019-12-07 18:19:40,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:40,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191036644] [2019-12-07 18:19:40,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:40,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191036644] [2019-12-07 18:19:40,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480586024] [2019-12-07 18:19:40,430 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:40,539 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 18:19:40,539 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:19:40,540 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:19:40,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:40,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:40,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-12-07 18:19:40,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93176037] [2019-12-07 18:19:40,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:19:40,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:40,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:19:40,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:19:40,552 INFO L87 Difference]: Start difference. First operand 488 states and 583 transitions. Second operand 8 states. [2019-12-07 18:19:40,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:40,606 INFO L93 Difference]: Finished difference Result 968 states and 1158 transitions. [2019-12-07 18:19:40,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:19:40,607 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-12-07 18:19:40,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:40,609 INFO L225 Difference]: With dead ends: 968 [2019-12-07 18:19:40,609 INFO L226 Difference]: Without dead ends: 492 [2019-12-07 18:19:40,610 INFO L630 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 [2019-12-07 18:19:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-12-07 18:19:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 490. [2019-12-07 18:19:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2019-12-07 18:19:40,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 585 transitions. [2019-12-07 18:19:40,619 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 585 transitions. Word has length 21 [2019-12-07 18:19:40,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:40,619 INFO L462 AbstractCegarLoop]: Abstraction has 490 states and 585 transitions. [2019-12-07 18:19:40,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:19:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 585 transitions. [2019-12-07 18:19:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 18:19:40,620 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:40,620 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:40,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:40,821 INFO L410 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]=== [2019-12-07 18:19:40,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2019-12-07 18:19:40,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:40,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720728938] [2019-12-07 18:19:40,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:40,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720728938] [2019-12-07 18:19:40,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557836478] [2019-12-07 18:19:40,929 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:41,348 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-12-07 18:19:41,349 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:19:41,352 INFO L264 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:19:41,354 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:41,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:41,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-12-07 18:19:41,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404725746] [2019-12-07 18:19:41,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 18:19:41,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:41,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 18:19:41,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:19:41,364 INFO L87 Difference]: Start difference. First operand 490 states and 585 transitions. Second operand 9 states. [2019-12-07 18:19:41,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:41,421 INFO L93 Difference]: Finished difference Result 970 states and 1160 transitions. [2019-12-07 18:19:41,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:19:41,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-12-07 18:19:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:41,425 INFO L225 Difference]: With dead ends: 970 [2019-12-07 18:19:41,425 INFO L226 Difference]: Without dead ends: 494 [2019-12-07 18:19:41,426 INFO L630 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 [2019-12-07 18:19:41,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-12-07 18:19:41,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 492. [2019-12-07 18:19:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-12-07 18:19:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 587 transitions. [2019-12-07 18:19:41,439 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 587 transitions. Word has length 23 [2019-12-07 18:19:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:41,439 INFO L462 AbstractCegarLoop]: Abstraction has 492 states and 587 transitions. [2019-12-07 18:19:41,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 18:19:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 587 transitions. [2019-12-07 18:19:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 18:19:41,440 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:41,440 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:41,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:41,641 INFO L410 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]=== [2019-12-07 18:19:41,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:41,641 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2019-12-07 18:19:41,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:41,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852913747] [2019-12-07 18:19:41,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:41,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852913747] [2019-12-07 18:19:41,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765774489] [2019-12-07 18:19:41,755 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:51,478 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-12-07 18:19:51,478 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:19:51,486 INFO L264 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:19:51,488 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:51,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:51,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-12-07 18:19:51,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74771079] [2019-12-07 18:19:51,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 18:19:51,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:51,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 18:19:51,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:19:51,497 INFO L87 Difference]: Start difference. First operand 492 states and 587 transitions. Second operand 10 states. [2019-12-07 18:19:51,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:51,551 INFO L93 Difference]: Finished difference Result 972 states and 1162 transitions. [2019-12-07 18:19:51,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 18:19:51,552 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2019-12-07 18:19:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:51,554 INFO L225 Difference]: With dead ends: 972 [2019-12-07 18:19:51,554 INFO L226 Difference]: Without dead ends: 496 [2019-12-07 18:19:51,555 INFO L630 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 [2019-12-07 18:19:51,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-12-07 18:19:51,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 494. [2019-12-07 18:19:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-12-07 18:19:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 589 transitions. [2019-12-07 18:19:51,564 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 589 transitions. Word has length 25 [2019-12-07 18:19:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:51,564 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 589 transitions. [2019-12-07 18:19:51,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 18:19:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 589 transitions. [2019-12-07 18:19:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 18:19:51,564 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:51,565 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:51,765 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:51,766 INFO L410 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]=== [2019-12-07 18:19:51,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2019-12-07 18:19:51,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:51,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817832264] [2019-12-07 18:19:51,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:51,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817832264] [2019-12-07 18:19:51,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110920803] [2019-12-07 18:19:51,887 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:52,088 INFO L264 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 18:19:52,089 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:52,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:52,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2019-12-07 18:19:52,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047536454] [2019-12-07 18:19:52,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 18:19:52,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:52,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 18:19:52,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:19:52,099 INFO L87 Difference]: Start difference. First operand 494 states and 589 transitions. Second operand 11 states. [2019-12-07 18:19:52,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:52,146 INFO L93 Difference]: Finished difference Result 974 states and 1164 transitions. [2019-12-07 18:19:52,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 18:19:52,146 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2019-12-07 18:19:52,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:52,148 INFO L225 Difference]: With dead ends: 974 [2019-12-07 18:19:52,148 INFO L226 Difference]: Without dead ends: 498 [2019-12-07 18:19:52,149 INFO L630 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 [2019-12-07 18:19:52,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-12-07 18:19:52,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 496. [2019-12-07 18:19:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2019-12-07 18:19:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 591 transitions. [2019-12-07 18:19:52,157 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 591 transitions. Word has length 27 [2019-12-07 18:19:52,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:52,157 INFO L462 AbstractCegarLoop]: Abstraction has 496 states and 591 transitions. [2019-12-07 18:19:52,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 18:19:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 591 transitions. [2019-12-07 18:19:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 18:19:52,158 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:52,158 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:52,358 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:52,359 INFO L410 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]=== [2019-12-07 18:19:52,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:52,359 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2019-12-07 18:19:52,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:52,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882149918] [2019-12-07 18:19:52,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:52,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882149918] [2019-12-07 18:19:52,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746511865] [2019-12-07 18:19:52,483 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:19:54,391 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:19:54,391 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:19:54,396 INFO L264 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:19:54,398 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:19:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:54,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:19:54,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2019-12-07 18:19:54,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109949104] [2019-12-07 18:19:54,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 18:19:54,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:19:54,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 18:19:54,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-12-07 18:19:54,408 INFO L87 Difference]: Start difference. First operand 496 states and 591 transitions. Second operand 12 states. [2019-12-07 18:19:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:19:54,470 INFO L93 Difference]: Finished difference Result 976 states and 1166 transitions. [2019-12-07 18:19:54,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 18:19:54,470 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-12-07 18:19:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:19:54,473 INFO L225 Difference]: With dead ends: 976 [2019-12-07 18:19:54,473 INFO L226 Difference]: Without dead ends: 500 [2019-12-07 18:19:54,474 INFO L630 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 [2019-12-07 18:19:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-12-07 18:19:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 498. [2019-12-07 18:19:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2019-12-07 18:19:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 593 transitions. [2019-12-07 18:19:54,484 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 593 transitions. Word has length 29 [2019-12-07 18:19:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:19:54,485 INFO L462 AbstractCegarLoop]: Abstraction has 498 states and 593 transitions. [2019-12-07 18:19:54,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 18:19:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 593 transitions. [2019-12-07 18:19:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 18:19:54,486 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:19:54,486 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:19:54,686 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:19:54,686 INFO L410 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]=== [2019-12-07 18:19:54,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:19:54,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2019-12-07 18:19:54,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:19:54,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95703100] [2019-12-07 18:19:54,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:19:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:19:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:19:54,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95703100] [2019-12-07 18:19:54,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549392690] [2019-12-07 18:19:54,827 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:09,029 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-12-07 18:20:09,029 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:20:09,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 18:20:09,041 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:20:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:20:09,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:20:09,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2019-12-07 18:20:09,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180486894] [2019-12-07 18:20:09,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 18:20:09,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 18:20:09,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:20:09,050 INFO L87 Difference]: Start difference. First operand 498 states and 593 transitions. Second operand 13 states. [2019-12-07 18:20:09,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:09,121 INFO L93 Difference]: Finished difference Result 977 states and 1167 transitions. [2019-12-07 18:20:09,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 18:20:09,122 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2019-12-07 18:20:09,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:09,124 INFO L225 Difference]: With dead ends: 977 [2019-12-07 18:20:09,124 INFO L226 Difference]: Without dead ends: 501 [2019-12-07 18:20:09,125 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:20:09,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-12-07 18:20:09,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 500. [2019-12-07 18:20:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-12-07 18:20:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 595 transitions. [2019-12-07 18:20:09,131 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 595 transitions. Word has length 31 [2019-12-07 18:20:09,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:09,132 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 595 transitions. [2019-12-07 18:20:09,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 18:20:09,132 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 595 transitions. [2019-12-07 18:20:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 18:20:09,132 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:09,132 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:09,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:20:09,333 INFO L410 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]=== [2019-12-07 18:20:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:09,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2019-12-07 18:20:09,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:09,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861965485] [2019-12-07 18:20:09,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:20:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:20:09,813 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:20:09,814 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:20:09,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:20:09 BoogieIcfgContainer [2019-12-07 18:20:09,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:20:09,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:20:09,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:20:09,910 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:20:09,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:19:32" (3/4) ... [2019-12-07 18:20:09,913 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:20:09,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:20:09,914 INFO L168 Benchmark]: Toolchain (without parser) took 41334.30 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 419.4 MB). Free memory was 938.1 MB in the beginning and 1.2 GB in the end (delta: -233.9 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:09,915 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:20:09,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1281.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.1 MB in the beginning and 909.3 MB in the end (delta: 28.8 MB). Peak memory consumption was 184.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:09,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.03 ms. Allocated memory is still 1.2 GB. Free memory was 909.3 MB in the beginning and 898.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:09,916 INFO L168 Benchmark]: Boogie Preprocessor took 80.79 ms. Allocated memory is still 1.2 GB. Free memory was 898.5 MB in the beginning and 882.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:09,916 INFO L168 Benchmark]: RCFGBuilder took 2133.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 882.4 MB in the beginning and 1.2 GB in the end (delta: -295.3 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:09,917 INFO L168 Benchmark]: TraceAbstraction took 37709.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.9 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.7 MB). Peak memory consumption was 209.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:09,917 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:20:09,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1281.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.1 MB in the beginning and 909.3 MB in the end (delta: 28.8 MB). Peak memory consumption was 184.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.03 ms. Allocated memory is still 1.2 GB. Free memory was 909.3 MB in the beginning and 898.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.79 ms. Allocated memory is still 1.2 GB. Free memory was 898.5 MB in the beginning and 882.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2133.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 882.4 MB in the beginning and 1.2 GB in the end (delta: -295.3 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37709.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.9 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.7 MB). Peak memory consumption was 209.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 1479. Possible FailurePath: [L15] int current_execution_context; [L26] int (* _ddv_module_init)(void); [L27] void (* _ddv_module_exit)(void); [L227] unsigned long jiffies; [L1469] char _ddv_module_author[] = "Fernando Fuganti "; [L1470] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1471] char _ddv_module_license[] = "GPL"; [L1473] static int nowayout = 0; [L1474] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1478-L1482] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1483] static int action = 0; [L1484] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1486] static int zf_action = 0x0800; [L1487] static unsigned long zf_is_open; [L1488] static char zf_expect_close; [L1489] static spinlock_t zf_lock; [L1490] static spinlock_t zf_port_lock; [L1491] static struct timer_list zf_timer; [L1492] static unsigned long next_heartbeat = 0; [L1738-L1745] 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, }; [L1747-L1751] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1758-L1760] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1840] int (* _ddv_tmp_init)(void) = zf_init; [L1841] void (* _ddv_tmp_exit)(void) = zf_exit; [L1892] struct cdev fixed_cdev[1]; [L1893] int fixed_cdev_used = 0; [L1895] short number_cdev_registered = 0; [L1906] struct ddv_cdev cdev_registered[1]; [L2443] short number_genhd_registered = 0; [L2444] short number_fixed_genhd_used = 0; [L2455] struct gendisk fixed_gendisk[10]; [L2456] struct ddv_genhd genhd_registered[10]; [L2591] struct ddv_pci_driver registered_pci_driver; [L2602] struct registered_irq registered_irq[16]; [L2612] short number_tasklet_registered = 0; [L2619] struct ddv_tasklet tasklet_registered[1]; [L2629] short number_timer_registered = 0; [L2635] struct ddv_timer timer_registered[1]; [L2645] struct work_struct *shared_workqueue[10]; [L2655] spinlock_t kernel_lock; [L3341] request_queue_t fixed_request_queue[10]; [L3343] int number_request_queue_used = 0; [L3427] struct proc_dir_entry *proc_root_driver; [L3737] struct ddv_tty_driver global_tty_driver; [L3916] int ddv_ioport_request_start; [L3917] int ddv_ioport_request_len; VAL [={-1:7}, ={-1:8}, ={0:0}, ={0:0}, action=0, cdev_registered={41:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L1845] _ddv_module_init = zf_init [L1846] _ddv_module_exit = zf_exit [L2719] int err; [L2721] current_execution_context = 1 [L2659] int i; [L4148] lock->init = 1 [L4149] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2663] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2667] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2667] COND TRUE i < 1 [L2668] tasklet_registered[i].tasklet = ((void *)0) [L2669] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2667] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L2667] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L1771] int ret; [L4475] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L7] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] [L7] __VERIFIER_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={85:0}, fixed_cdev_used=0, fixed_gendisk={56:0}, fixed_request_queue={45:0}, genhd_registered={61:0}, global_tty_driver={49:0}, jiffies=0, kernel_lock={59:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={92:0}, registered_pci_driver={65:0}, shared_workqueue={86:0}, tasklet_registered={89:0}, timer_registered={88:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={99:0}, zf_is_open={62:0}, zf_lock={51:0}, zf_miscdev={93:0}, zf_notifier={57:0}, zf_port_lock={53:0}, zf_timer={60:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 493 locations, 39 error locations. Result: UNSAFE, OverallTime: 37.5s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6290 SDtfs, 7441 SDslu, 7947 SDs, 0 SdLazy, 278 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=11, 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, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 32.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 19084 SizeOfPredicates, 10 NumberOfNonLiveVariables, 5061 ConjunctsInSsa, 65 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, 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 0.1.25-f470102 [2019-12-07 18:20:11,234 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-12-07 18:20:11,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:20:11,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:20:11,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:20:11,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:20:11,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:20:11,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:20:11,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:20:11,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:20:11,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:20:11,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:20:11,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:20:11,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:20:11,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:20:11,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:20:11,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:20:11,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:20:11,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:20:11,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:20:11,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:20:11,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:20:11,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:20:11,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:20:11,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:20:11,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:20:11,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:20:11,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:20:11,282 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:20:11,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:20:11,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:20:11,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:20:11,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:20:11,283 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_55db1cb8-301e-4485-910e-c82e8ab0d82c/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(__VERIFIER_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 -> 6685c04a489eb5adb50802dad290085ec903509b [2019-12-07 18:20:11,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:20:11,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:20:11,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:20:11,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:20:11,467 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:20:11,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 18:20:11,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/bc8af2b45/d46b42cbad284b549da8b0ca870e4c19/FLAG73945ed47 [2019-12-07 18:20:12,011 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:20:12,011 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 18:20:12,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/bc8af2b45/d46b42cbad284b549da8b0ca870e4c19/FLAG73945ed47 [2019-12-07 18:20:12,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/bin/uautomizer/data/bc8af2b45/d46b42cbad284b549da8b0ca870e4c19 [2019-12-07 18:20:12,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:20:12,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:20:12,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:20:12,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:20:12,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:20:12,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:20:12" (1/1) ... [2019-12-07 18:20:12,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32292186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:12, skipping insertion in model container [2019-12-07 18:20:12,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:20:12" (1/1) ... [2019-12-07 18:20:12,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:20:12,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:20:13,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:20:13,367 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:20:13,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:20:13,806 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:20:13,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13 WrapperNode [2019-12-07 18:20:13,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:20:13,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:20:13,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:20:13,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:20:13,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:20:13,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:20:13,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:20:13,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:20:13,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:13,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... [2019-12-07 18:20:14,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:20:14,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:20:14,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:20:14,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:20:14,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:20:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:20:14,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 18:20:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:20:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:20:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 18:20:19,058 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:20:19,058 INFO L287 CfgBuilder]: Removed 563 assume(true) statements. [2019-12-07 18:20:19,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:20:19 BoogieIcfgContainer [2019-12-07 18:20:19,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:20:19,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:20:19,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:20:19,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:20:19,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:20:12" (1/3) ... [2019-12-07 18:20:19,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623df611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:20:19, skipping insertion in model container [2019-12-07 18:20:19,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:13" (2/3) ... [2019-12-07 18:20:19,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623df611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:20:19, skipping insertion in model container [2019-12-07 18:20:19,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:20:19" (3/3) ... [2019-12-07 18:20:19,064 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2019-12-07 18:20:19,070 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:20:19,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-12-07 18:20:19,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-12-07 18:20:19,106 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:20:19,107 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:20:19,107 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:20:19,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:20:19,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:20:19,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:20:19,108 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:20:19,108 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:20:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states. [2019-12-07 18:20:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:20:19,132 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:19,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:19,134 INFO L410 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]=== [2019-12-07 18:20:19,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2019-12-07 18:20:19,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:20:19,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653785431] [2019-12-07 18:20:19,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:19,466 INFO L264 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:20:19,470 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:20:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:19,479 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:20:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:19,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653785431] [2019-12-07 18:20:19,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:19,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:20:19,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653452189] [2019-12-07 18:20:19,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:20:19,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:20:19,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:20:19,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:20:19,497 INFO L87 Difference]: Start difference. First operand 493 states. Second operand 2 states. [2019-12-07 18:20:19,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:19,538 INFO L93 Difference]: Finished difference Result 981 states and 1259 transitions. [2019-12-07 18:20:19,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:20:19,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:20:19,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:19,550 INFO L225 Difference]: With dead ends: 981 [2019-12-07 18:20:19,550 INFO L226 Difference]: Without dead ends: 480 [2019-12-07 18:20:19,554 INFO L630 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 [2019-12-07 18:20:19,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2019-12-07 18:20:19,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2019-12-07 18:20:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-12-07 18:20:19,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 575 transitions. [2019-12-07 18:20:19,598 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 575 transitions. Word has length 11 [2019-12-07 18:20:19,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:19,598 INFO L462 AbstractCegarLoop]: Abstraction has 480 states and 575 transitions. [2019-12-07 18:20:19,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:20:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 575 transitions. [2019-12-07 18:20:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:20:19,599 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:19,599 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:19,800 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:20:19,801 INFO L410 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]=== [2019-12-07 18:20:19,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:19,801 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2019-12-07 18:20:19,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:20:19,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162487012] [2019-12-07 18:20:19,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:20,153 INFO L264 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:20:20,155 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:20:20,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:20,166 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:20:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:20,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162487012] [2019-12-07 18:20:20,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:20,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 18:20:20,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61246857] [2019-12-07 18:20:20,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:20:20,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:20:20,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:20:20,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:20,175 INFO L87 Difference]: Start difference. First operand 480 states and 575 transitions. Second operand 4 states. [2019-12-07 18:20:20,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:20,277 INFO L93 Difference]: Finished difference Result 1433 states and 1719 transitions. [2019-12-07 18:20:20,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:20:20,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 18:20:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:20,284 INFO L225 Difference]: With dead ends: 1433 [2019-12-07 18:20:20,285 INFO L226 Difference]: Without dead ends: 958 [2019-12-07 18:20:20,287 INFO L630 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 [2019-12-07 18:20:20,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2019-12-07 18:20:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 484. [2019-12-07 18:20:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-12-07 18:20:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 579 transitions. [2019-12-07 18:20:20,310 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 579 transitions. Word has length 11 [2019-12-07 18:20:20,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:20,310 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 579 transitions. [2019-12-07 18:20:20,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:20:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 579 transitions. [2019-12-07 18:20:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 18:20:20,311 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:20,311 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:20,512 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:20:20,513 INFO L410 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]=== [2019-12-07 18:20:20,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:20,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2019-12-07 18:20:20,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:20:20,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731059093] [2019-12-07 18:20:20,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:20,820 INFO L264 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:20:20,822 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:20:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:20:20,838 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:20:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:20:20,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731059093] [2019-12-07 18:20:20,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:20:20,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-07 18:20:20,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374643833] [2019-12-07 18:20:20,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:20:20,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:20:20,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:20:20,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:20:20,884 INFO L87 Difference]: Start difference. First operand 484 states and 579 transitions. Second operand 8 states. [2019-12-07 18:20:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:21,150 INFO L93 Difference]: Finished difference Result 968 states and 1161 transitions. [2019-12-07 18:20:21,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:20:21,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-12-07 18:20:21,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:21,153 INFO L225 Difference]: With dead ends: 968 [2019-12-07 18:20:21,154 INFO L226 Difference]: Without dead ends: 492 [2019-12-07 18:20:21,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:20:21,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-12-07 18:20:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2019-12-07 18:20:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-12-07 18:20:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 586 transitions. [2019-12-07 18:20:21,169 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 586 transitions. Word has length 17 [2019-12-07 18:20:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:21,169 INFO L462 AbstractCegarLoop]: Abstraction has 492 states and 586 transitions. [2019-12-07 18:20:21,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:20:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 586 transitions. [2019-12-07 18:20:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 18:20:21,170 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:21,170 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:21,370 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:20:21,371 INFO L410 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]=== [2019-12-07 18:20:21,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:21,372 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2019-12-07 18:20:21,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:20:21,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720939909] [2019-12-07 18:20:21,375 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:25,657 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:20:25,658 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:20:25,743 INFO L264 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:20:25,745 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:20:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:20:25,793 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:20:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 18:20:25,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720939909] [2019-12-07 18:20:25,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:20:25,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-12-07 18:20:25,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788101858] [2019-12-07 18:20:25,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 18:20:25,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:20:25,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 18:20:25,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-12-07 18:20:25,971 INFO L87 Difference]: Start difference. First operand 492 states and 586 transitions. Second operand 16 states. [2019-12-07 18:20:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:26,522 INFO L93 Difference]: Finished difference Result 976 states and 1167 transitions. [2019-12-07 18:20:26,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 18:20:26,523 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2019-12-07 18:20:26,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:26,525 INFO L225 Difference]: With dead ends: 976 [2019-12-07 18:20:26,525 INFO L226 Difference]: Without dead ends: 500 [2019-12-07 18:20:26,526 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2019-12-07 18:20:26,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-12-07 18:20:26,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2019-12-07 18:20:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-12-07 18:20:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 594 transitions. [2019-12-07 18:20:26,536 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 594 transitions. Word has length 25 [2019-12-07 18:20:26,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:26,537 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 594 transitions. [2019-12-07 18:20:26,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 18:20:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 594 transitions. [2019-12-07 18:20:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 18:20:26,538 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:26,538 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:26,738 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 18:20:26,739 INFO L410 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]=== [2019-12-07 18:20:26,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:26,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2019-12-07 18:20:26,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:20:26,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327129936] [2019-12-07 18:20:26,741 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55db1cb8-301e-4485-910e-c82e8ab0d82c/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 [2019-12-07 18:20:33,356 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-12-07 18:20:33,356 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 18:20:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:20:39,360 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:20:39,360 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:20:39,561 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 18:20:39,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:20:39 BoogieIcfgContainer [2019-12-07 18:20:39,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:20:39,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:20:39,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:20:39,683 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:20:39,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:20:19" (3/4) ... [2019-12-07 18:20:39,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:20:39,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:20:39,687 INFO L168 Benchmark]: Toolchain (without parser) took 27388.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:39,687 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:20:39,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1507.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.0 MB in the beginning and 911.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:39,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.05 ms. Allocated memory is still 1.2 GB. Free memory was 911.8 MB in the beginning and 891.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:39,688 INFO L168 Benchmark]: Boogie Preprocessor took 91.18 ms. Allocated memory is still 1.2 GB. Free memory was 891.9 MB in the beginning and 885.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:39,689 INFO L168 Benchmark]: RCFGBuilder took 5048.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 885.3 MB in the beginning and 1.1 GB in the end (delta: -248.2 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:39,689 INFO L168 Benchmark]: TraceAbstraction took 20622.40 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:39,689 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:20:39,691 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1507.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.0 MB in the beginning and 911.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.05 ms. Allocated memory is still 1.2 GB. Free memory was 911.8 MB in the beginning and 891.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.18 ms. Allocated memory is still 1.2 GB. Free memory was 891.9 MB in the beginning and 885.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5048.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 885.3 MB in the beginning and 1.1 GB in the end (delta: -248.2 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20622.40 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: 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 1469. Possible FailurePath: [L15] int current_execution_context; [L26] int (* _ddv_module_init)(void); [L27] void (* _ddv_module_exit)(void); [L227] unsigned long jiffies; [L1469] char _ddv_module_author[] = "Fernando Fuganti "; [L1470] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1471] char _ddv_module_license[] = "GPL"; [L1473] static int nowayout = 0; [L1474] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1478-L1482] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1483] static int action = 0; [L1484] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1486] static int zf_action = 0x0800; [L1487] static unsigned long zf_is_open; [L1488] static char zf_expect_close; [L1489] static spinlock_t zf_lock; [L1490] static spinlock_t zf_port_lock; [L1491] static struct timer_list zf_timer; [L1492] static unsigned long next_heartbeat = 0; [L1738-L1745] 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, }; [L1747-L1751] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1758-L1760] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1840] int (* _ddv_tmp_init)(void) = zf_init; [L1841] void (* _ddv_tmp_exit)(void) = zf_exit; [L1892] struct cdev fixed_cdev[1]; [L1893] int fixed_cdev_used = 0; [L1895] short number_cdev_registered = 0; [L1906] struct ddv_cdev cdev_registered[1]; [L2443] short number_genhd_registered = 0; [L2444] short number_fixed_genhd_used = 0; [L2455] struct gendisk fixed_gendisk[10]; [L2456] struct ddv_genhd genhd_registered[10]; [L2591] struct ddv_pci_driver registered_pci_driver; [L2602] struct registered_irq registered_irq[16]; [L2612] short number_tasklet_registered = 0; [L2619] struct ddv_tasklet tasklet_registered[1]; [L2629] short number_timer_registered = 0; [L2635] struct ddv_timer timer_registered[1]; [L2645] struct work_struct *shared_workqueue[10]; [L2655] spinlock_t kernel_lock; [L3341] request_queue_t fixed_request_queue[10]; [L3343] int number_request_queue_used = 0; [L3427] struct proc_dir_entry *proc_root_driver; [L3737] struct ddv_tty_driver global_tty_driver; [L3916] int ddv_ioport_request_start; [L3917] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={0:0}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L1845] _ddv_module_init = zf_init [L1846] _ddv_module_exit = zf_exit [L2719] int err; [L2721] current_execution_context = 1 [L2659] int i; [L4148] lock->init = 1 [L4149] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2663] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2667] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2667] COND TRUE i < 1 [L2668] tasklet_registered[i].tasklet = ((void *)0) [L2669] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2667] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L2667] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L1771] int ret; [L4475] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L7] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] [L7] __VERIFIER_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-950003785:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={660608951:0}, fixed_cdev_used=0, fixed_gendisk={-144703369:0}, fixed_request_queue={1197473855:0}, genhd_registered={1734344759:0}, global_tty_driver={-1889533946:0}, jiffies=0, kernel_lock={1734344767:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-413132997:0}, registered_pci_driver={-413133001:0}, shared_workqueue={-413138929:0}, tasklet_registered={-1486880741:0}, timer_registered={929038450:0}, zf_action=2048, zf_expect_close=0, zf_fops={123731991:0}, zf_info={1734350647:0}, zf_is_open={1734350768:0}, zf_lock={1734350775:0}, zf_miscdev={-413138941:0}, zf_notifier={-413138921:0}, zf_port_lock={1734344727:0}, zf_timer={-413138937:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 493 locations, 39 error locations. Result: UNSAFE, OverallTime: 20.4s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2299 SDtfs, 5692 SDslu, 5662 SDs, 0 SdLazy, 196 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 474 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 4680 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1452 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, 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...