./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.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_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 ae64ae88f56c84d0642d94fe4dc0fcc5f100877b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 ae64ae88f56c84d0642d94fe4dc0fcc5f100877b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:50:51,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:50:51,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:50:51,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:50:51,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:50:51,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:50:51,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:50:51,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:50:51,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:50:51,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:50:51,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:50:51,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:50:51,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:50:51,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:50:51,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:50:51,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:50:51,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:50:51,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:50:51,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:50:51,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:50:51,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:50:51,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:50:51,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:50:51,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:50:51,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:50:51,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:50:51,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:50:51,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:50:51,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:50:51,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:50:51,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:50:51,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:50:51,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:50:51,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:50:51,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:50:51,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:50:51,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:50:51,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:50:51,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:50:51,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:50:51,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:50:51,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:50:51,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:50:51,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:50:51,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:50:51,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:50:51,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:50:51,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:50:51,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:50:51,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:50:51,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:50:51,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:50:51,702 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_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 -> ae64ae88f56c84d0642d94fe4dc0fcc5f100877b [2019-12-07 13:50:51,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:50:51,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:50:51,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:50:51,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:50:51,812 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:50:51,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 13:50:51,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/209e26b69/a78b9eb1df4a41f3b79ae4a4feb8c4df/FLAG8ed14ad41 [2019-12-07 13:50:52,429 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:50:52,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 13:50:52,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/209e26b69/a78b9eb1df4a41f3b79ae4a4feb8c4df/FLAG8ed14ad41 [2019-12-07 13:50:52,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/209e26b69/a78b9eb1df4a41f3b79ae4a4feb8c4df [2019-12-07 13:50:52,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:50:52,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:50:52,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:50:52,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:50:52,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:50:52,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:50:52" (1/1) ... [2019-12-07 13:50:52,844 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 01:50:52, skipping insertion in model container [2019-12-07 13:50:52,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:50:52" (1/1) ... [2019-12-07 13:50:52,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:50:52,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:50:53,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:50:53,805 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:50:53,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:50:54,274 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:50:54,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54 WrapperNode [2019-12-07 13:50:54,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:50:54,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:50:54,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:50:54,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:50:54,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:50:54,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:50:54,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:50:54,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:50:54,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... [2019-12-07 13:50:54,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:50:54,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:50:54,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:50:54,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:50:54,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:50:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:50:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 13:50:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:50:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:50:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 13:50:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:50:54,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:50:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 13:50:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:50:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 13:50:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:50:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:50:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 13:50:56,635 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:50:56,635 INFO L287 CfgBuilder]: Removed 503 assume(true) statements. [2019-12-07 13:50:56,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:50:56 BoogieIcfgContainer [2019-12-07 13:50:56,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:50:56,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:50:56,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:50:56,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:50:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:50:52" (1/3) ... [2019-12-07 13:50:56,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b740c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:50:56, skipping insertion in model container [2019-12-07 13:50:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:54" (2/3) ... [2019-12-07 13:50:56,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b740c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:50:56, skipping insertion in model container [2019-12-07 13:50:56,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:50:56" (3/3) ... [2019-12-07 13:50:56,642 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2019-12-07 13:50:56,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:50:56,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-12-07 13:50:56,664 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-07 13:50:56,682 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:50:56,682 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:50:56,682 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:50:56,682 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:50:56,682 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:50:56,682 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:50:56,682 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:50:56,683 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:50:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states. [2019-12-07 13:50:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 13:50:56,707 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:56,708 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:56,709 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:56,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1448150405, now seen corresponding path program 1 times [2019-12-07 13:50:56,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:56,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721348] [2019-12-07 13:50:56,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:57,008 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 13:50:57,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721348] [2019-12-07 13:50:57,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:57,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:50:57,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461346474] [2019-12-07 13:50:57,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:50:57,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:57,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:50:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:50:57,024 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 2 states. [2019-12-07 13:50:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:57,070 INFO L93 Difference]: Finished difference Result 759 states and 977 transitions. [2019-12-07 13:50:57,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:50:57,072 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 13:50:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:57,085 INFO L225 Difference]: With dead ends: 759 [2019-12-07 13:50:57,085 INFO L226 Difference]: Without dead ends: 365 [2019-12-07 13:50:57,090 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 13:50:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-12-07 13:50:57,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2019-12-07 13:50:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-12-07 13:50:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 460 transitions. [2019-12-07 13:50:57,138 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 460 transitions. Word has length 12 [2019-12-07 13:50:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:57,138 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 460 transitions. [2019-12-07 13:50:57,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:50:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 460 transitions. [2019-12-07 13:50:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 13:50:57,139 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:57,139 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:57,139 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:57,140 INFO L82 PathProgramCache]: Analyzing trace with hash 806641781, now seen corresponding path program 1 times [2019-12-07 13:50:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:57,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643700705] [2019-12-07 13:50:57,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:57,259 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 13:50:57,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643700705] [2019-12-07 13:50:57,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:57,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:50:57,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781530107] [2019-12-07 13:50:57,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:50:57,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:57,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:50:57,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:50:57,262 INFO L87 Difference]: Start difference. First operand 365 states and 460 transitions. Second operand 3 states. [2019-12-07 13:50:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:57,304 INFO L93 Difference]: Finished difference Result 729 states and 920 transitions. [2019-12-07 13:50:57,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:50:57,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-07 13:50:57,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:57,308 INFO L225 Difference]: With dead ends: 729 [2019-12-07 13:50:57,308 INFO L226 Difference]: Without dead ends: 369 [2019-12-07 13:50:57,310 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 13:50:57,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-12-07 13:50:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2019-12-07 13:50:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-12-07 13:50:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 462 transitions. [2019-12-07 13:50:57,328 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 462 transitions. Word has length 12 [2019-12-07 13:50:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:57,329 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 462 transitions. [2019-12-07 13:50:57,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:50:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 462 transitions. [2019-12-07 13:50:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:50:57,329 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:57,329 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:57,330 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:57,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:57,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1115618639, now seen corresponding path program 1 times [2019-12-07 13:50:57,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:57,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415171075] [2019-12-07 13:50:57,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:57,454 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 13:50:57,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415171075] [2019-12-07 13:50:57,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745892449] [2019-12-07 13:50:57,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:50:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:57,662 INFO L264 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:50:57,666 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:57,681 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 13:50:57,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:50:57,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-12-07 13:50:57,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419287705] [2019-12-07 13:50:57,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:50:57,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:57,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:50:57,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:50:57,682 INFO L87 Difference]: Start difference. First operand 367 states and 462 transitions. Second operand 5 states. [2019-12-07 13:50:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:57,719 INFO L93 Difference]: Finished difference Result 732 states and 922 transitions. [2019-12-07 13:50:57,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:50:57,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-12-07 13:50:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:57,721 INFO L225 Difference]: With dead ends: 732 [2019-12-07 13:50:57,721 INFO L226 Difference]: Without dead ends: 371 [2019-12-07 13:50:57,722 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 13:50:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-12-07 13:50:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 369. [2019-12-07 13:50:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-12-07 13:50:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 464 transitions. [2019-12-07 13:50:57,732 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 464 transitions. Word has length 16 [2019-12-07 13:50:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:57,732 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 464 transitions. [2019-12-07 13:50:57,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:50:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 464 transitions. [2019-12-07 13:50:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:50:57,733 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:57,733 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:57,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:57,935 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:57,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1218920273, now seen corresponding path program 2 times [2019-12-07 13:50:57,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:57,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215431815] [2019-12-07 13:50:57,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:58,078 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 13:50:58,078 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215431815] [2019-12-07 13:50:58,078 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907720265] [2019-12-07 13:50:58,078 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:50:59,685 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 13:50:59,685 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:50:59,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:50:59,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:59,699 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 13:50:59,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:50:59,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-12-07 13:50:59,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146506149] [2019-12-07 13:50:59,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:50:59,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:59,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:50:59,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:50:59,700 INFO L87 Difference]: Start difference. First operand 369 states and 464 transitions. Second operand 6 states. [2019-12-07 13:50:59,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:59,738 INFO L93 Difference]: Finished difference Result 734 states and 924 transitions. [2019-12-07 13:50:59,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:50:59,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-12-07 13:50:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:59,741 INFO L225 Difference]: With dead ends: 734 [2019-12-07 13:50:59,741 INFO L226 Difference]: Without dead ends: 373 [2019-12-07 13:50:59,742 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 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 13:50:59,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-12-07 13:50:59,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2019-12-07 13:50:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-12-07 13:50:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 466 transitions. [2019-12-07 13:50:59,753 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 466 transitions. Word has length 18 [2019-12-07 13:50:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:59,753 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 466 transitions. [2019-12-07 13:50:59,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:50:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 466 transitions. [2019-12-07 13:50:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 13:50:59,754 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:59,754 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:59,954 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:59,955 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:59,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:59,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1707542739, now seen corresponding path program 3 times [2019-12-07 13:50:59,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:59,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392132209] [2019-12-07 13:50:59,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:00,100 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 13:51:00,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392132209] [2019-12-07 13:51:00,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118008672] [2019-12-07 13:51:00,100 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:04,062 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-07 13:51:04,062 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:04,070 INFO L264 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:51:04,072 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:04,078 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 13:51:04,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:04,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-12-07 13:51:04,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951301487] [2019-12-07 13:51:04,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:51:04,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:04,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:51:04,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:51:04,080 INFO L87 Difference]: Start difference. First operand 371 states and 466 transitions. Second operand 7 states. [2019-12-07 13:51:04,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:04,122 INFO L93 Difference]: Finished difference Result 736 states and 926 transitions. [2019-12-07 13:51:04,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:51:04,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-12-07 13:51:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:04,124 INFO L225 Difference]: With dead ends: 736 [2019-12-07 13:51:04,125 INFO L226 Difference]: Without dead ends: 375 [2019-12-07 13:51:04,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 13:51:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-12-07 13:51:04,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2019-12-07 13:51:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-12-07 13:51:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 468 transitions. [2019-12-07 13:51:04,135 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 468 transitions. Word has length 20 [2019-12-07 13:51:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:04,136 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 468 transitions. [2019-12-07 13:51:04,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:51:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 468 transitions. [2019-12-07 13:51:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:51:04,136 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:04,136 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:04,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:04,338 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:04,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1172669995, now seen corresponding path program 4 times [2019-12-07 13:51:04,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:04,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304114346] [2019-12-07 13:51:04,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:04,447 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 13:51:04,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304114346] [2019-12-07 13:51:04,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445932881] [2019-12-07 13:51:04,448 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:04,558 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 13:51:04,559 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:04,559 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:51:04,561 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:04,569 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 13:51:04,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:04,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-12-07 13:51:04,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296009372] [2019-12-07 13:51:04,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:51:04,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:04,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:51:04,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:51:04,571 INFO L87 Difference]: Start difference. First operand 373 states and 468 transitions. Second operand 8 states. [2019-12-07 13:51:04,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:04,623 INFO L93 Difference]: Finished difference Result 738 states and 928 transitions. [2019-12-07 13:51:04,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:51:04,623 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 13:51:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:04,626 INFO L225 Difference]: With dead ends: 738 [2019-12-07 13:51:04,626 INFO L226 Difference]: Without dead ends: 377 [2019-12-07 13:51:04,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 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 13:51:04,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-12-07 13:51:04,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 375. [2019-12-07 13:51:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-12-07 13:51:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 470 transitions. [2019-12-07 13:51:04,636 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 470 transitions. Word has length 22 [2019-12-07 13:51:04,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:04,637 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 470 transitions. [2019-12-07 13:51:04,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:51:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 470 transitions. [2019-12-07 13:51:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:51:04,638 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:04,638 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:04,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:04,838 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:04,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:04,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1196798551, now seen corresponding path program 5 times [2019-12-07 13:51:04,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:04,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705017555] [2019-12-07 13:51:04,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:04,964 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 13:51:04,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705017555] [2019-12-07 13:51:04,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224101130] [2019-12-07 13:51:04,964 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:05,257 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-12-07 13:51:05,257 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:05,261 INFO L264 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:51:05,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:05,272 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 13:51:05,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:05,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-12-07 13:51:05,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719205145] [2019-12-07 13:51:05,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:51:05,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:05,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:51:05,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:51:05,273 INFO L87 Difference]: Start difference. First operand 375 states and 470 transitions. Second operand 9 states. [2019-12-07 13:51:05,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:05,327 INFO L93 Difference]: Finished difference Result 740 states and 930 transitions. [2019-12-07 13:51:05,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:51:05,327 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-12-07 13:51:05,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:05,329 INFO L225 Difference]: With dead ends: 740 [2019-12-07 13:51:05,329 INFO L226 Difference]: Without dead ends: 379 [2019-12-07 13:51:05,330 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 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 13:51:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-12-07 13:51:05,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 377. [2019-12-07 13:51:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-12-07 13:51:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 472 transitions. [2019-12-07 13:51:05,337 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 472 transitions. Word has length 24 [2019-12-07 13:51:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:05,337 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 472 transitions. [2019-12-07 13:51:05,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:51:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 472 transitions. [2019-12-07 13:51:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:51:05,338 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:05,338 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:05,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:05,538 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:05,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:05,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1923404377, now seen corresponding path program 6 times [2019-12-07 13:51:05,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:05,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838447772] [2019-12-07 13:51:05,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:05,659 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 13:51:05,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838447772] [2019-12-07 13:51:05,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142524582] [2019-12-07 13:51:05,660 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:18,317 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-12-07 13:51:18,317 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:18,328 INFO L264 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:51:18,329 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:18,337 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 13:51:18,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:18,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-12-07 13:51:18,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353091877] [2019-12-07 13:51:18,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 13:51:18,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:18,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 13:51:18,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:51:18,338 INFO L87 Difference]: Start difference. First operand 377 states and 472 transitions. Second operand 10 states. [2019-12-07 13:51:18,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:18,392 INFO L93 Difference]: Finished difference Result 742 states and 932 transitions. [2019-12-07 13:51:18,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 13:51:18,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-12-07 13:51:18,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:18,395 INFO L225 Difference]: With dead ends: 742 [2019-12-07 13:51:18,395 INFO L226 Difference]: Without dead ends: 381 [2019-12-07 13:51:18,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 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 13:51:18,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-12-07 13:51:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 379. [2019-12-07 13:51:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-12-07 13:51:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 474 transitions. [2019-12-07 13:51:18,403 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 474 transitions. Word has length 26 [2019-12-07 13:51:18,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:18,403 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 474 transitions. [2019-12-07 13:51:18,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 13:51:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 474 transitions. [2019-12-07 13:51:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 13:51:18,403 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:18,403 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:18,604 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:18,604 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:18,604 INFO L82 PathProgramCache]: Analyzing trace with hash -111933915, now seen corresponding path program 7 times [2019-12-07 13:51:18,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:18,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243200003] [2019-12-07 13:51:18,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:18,727 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 13:51:18,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243200003] [2019-12-07 13:51:18,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585090696] [2019-12-07 13:51:18,727 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:18,961 INFO L264 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 13:51:18,962 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:18,970 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 13:51:18,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:18,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2019-12-07 13:51:18,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331017303] [2019-12-07 13:51:18,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:51:18,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:18,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:51:18,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:51:18,971 INFO L87 Difference]: Start difference. First operand 379 states and 474 transitions. Second operand 11 states. [2019-12-07 13:51:19,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:19,024 INFO L93 Difference]: Finished difference Result 744 states and 934 transitions. [2019-12-07 13:51:19,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 13:51:19,024 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2019-12-07 13:51:19,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:19,026 INFO L225 Difference]: With dead ends: 744 [2019-12-07 13:51:19,026 INFO L226 Difference]: Without dead ends: 383 [2019-12-07 13:51:19,027 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 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 13:51:19,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-12-07 13:51:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381. [2019-12-07 13:51:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-12-07 13:51:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 476 transitions. [2019-12-07 13:51:19,033 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 476 transitions. Word has length 28 [2019-12-07 13:51:19,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:19,033 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 476 transitions. [2019-12-07 13:51:19,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:51:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 476 transitions. [2019-12-07 13:51:19,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 13:51:19,034 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:19,034 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:19,234 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:19,235 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:19,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:19,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1249425187, now seen corresponding path program 8 times [2019-12-07 13:51:19,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:19,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404885603] [2019-12-07 13:51:19,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:19,345 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 13:51:19,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404885603] [2019-12-07 13:51:19,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817056129] [2019-12-07 13:51:19,346 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:21,031 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 13:51:21,032 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:21,037 INFO L264 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:51:21,038 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:21,046 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 13:51:21,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:21,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2019-12-07 13:51:21,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247362708] [2019-12-07 13:51:21,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 13:51:21,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:21,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 13:51:21,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:51:21,047 INFO L87 Difference]: Start difference. First operand 381 states and 476 transitions. Second operand 12 states. [2019-12-07 13:51:21,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:21,099 INFO L93 Difference]: Finished difference Result 746 states and 936 transitions. [2019-12-07 13:51:21,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 13:51:21,099 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2019-12-07 13:51:21,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:21,101 INFO L225 Difference]: With dead ends: 746 [2019-12-07 13:51:21,101 INFO L226 Difference]: Without dead ends: 385 [2019-12-07 13:51:21,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 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 13:51:21,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-12-07 13:51:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2019-12-07 13:51:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-12-07 13:51:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 478 transitions. [2019-12-07 13:51:21,108 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 478 transitions. Word has length 30 [2019-12-07 13:51:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:21,108 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 478 transitions. [2019-12-07 13:51:21,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 13:51:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 478 transitions. [2019-12-07 13:51:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 13:51:21,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:21,109 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:21,309 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:21,310 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:21,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:21,311 INFO L82 PathProgramCache]: Analyzing trace with hash -449503071, now seen corresponding path program 9 times [2019-12-07 13:51:21,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:21,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320184879] [2019-12-07 13:51:21,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:21,467 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 13:51:21,468 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320184879] [2019-12-07 13:51:21,468 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829025138] [2019-12-07 13:51:21,468 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:36,092 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-12-07 13:51:36,092 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:36,103 INFO L264 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 13:51:36,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:36,114 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 13:51:36,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:36,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2019-12-07 13:51:36,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046027026] [2019-12-07 13:51:36,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 13:51:36,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:36,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 13:51:36,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:51:36,115 INFO L87 Difference]: Start difference. First operand 383 states and 478 transitions. Second operand 13 states. [2019-12-07 13:51:36,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:36,168 INFO L93 Difference]: Finished difference Result 747 states and 937 transitions. [2019-12-07 13:51:36,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:51:36,169 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2019-12-07 13:51:36,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:36,170 INFO L225 Difference]: With dead ends: 747 [2019-12-07 13:51:36,170 INFO L226 Difference]: Without dead ends: 386 [2019-12-07 13:51:36,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 13:51:36,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-12-07 13:51:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2019-12-07 13:51:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-12-07 13:51:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 480 transitions. [2019-12-07 13:51:36,178 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 480 transitions. Word has length 32 [2019-12-07 13:51:36,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:36,178 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 480 transitions. [2019-12-07 13:51:36,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 13:51:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 480 transitions. [2019-12-07 13:51:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 13:51:36,179 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:36,179 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:36,379 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:36,380 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:36,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1031986529, now seen corresponding path program 10 times [2019-12-07 13:51:36,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:36,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369082132] [2019-12-07 13:51:36,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:51:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:51:36,955 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:51:36,955 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:51:37,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:51:37 BoogieIcfgContainer [2019-12-07 13:51:37,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:51:37,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:51:37,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:51:37,046 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:51:37,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:50:56" (3/4) ... [2019-12-07 13:51:37,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:51:37,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:51:37,051 INFO L168 Benchmark]: Toolchain (without parser) took 44211.17 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 452.5 MB). Free memory was 940.9 MB in the beginning and 1.4 GB in the end (delta: -412.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:51:37,051 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:51:37,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1435.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 887.9 MB in the end (delta: 53.0 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:51:37,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.67 ms. Allocated memory is still 1.1 GB. Free memory was 887.9 MB in the beginning and 877.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:51:37,052 INFO L168 Benchmark]: Boogie Preprocessor took 107.80 ms. Allocated memory is still 1.1 GB. Free memory was 877.2 MB in the beginning and 866.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:51:37,052 INFO L168 Benchmark]: RCFGBuilder took 2108.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 866.5 MB in the beginning and 862.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:51:37,053 INFO L168 Benchmark]: TraceAbstraction took 40408.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 265.8 MB). Free memory was 862.1 MB in the beginning and 1.4 GB in the end (delta: -491.5 MB). Peak memory consumption was 193.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:51:37,053 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:51:37,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1435.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 887.9 MB in the end (delta: 53.0 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 144.67 ms. Allocated memory is still 1.1 GB. Free memory was 887.9 MB in the beginning and 877.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.80 ms. Allocated memory is still 1.1 GB. Free memory was 877.2 MB in the beginning and 866.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2108.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 866.5 MB in the beginning and 862.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40408.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 265.8 MB). Free memory was 862.1 MB in the beginning and 1.4 GB in the end (delta: -491.5 MB). Peak memory consumption was 193.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 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]; [L2592] struct ddv_pci_driver registered_pci_driver; [L2603] struct registered_irq registered_irq[16]; [L2613] short number_tasklet_registered = 0; [L2620] struct ddv_tasklet tasklet_registered[1]; [L2630] short number_timer_registered = 0; [L2636] struct ddv_timer timer_registered[1]; [L2646] struct work_struct *shared_workqueue[10]; [L2656] spinlock_t kernel_lock; [L3342] request_queue_t fixed_request_queue[10]; [L3344] int number_request_queue_used = 0; [L3428] struct proc_dir_entry *proc_root_driver; [L3738] struct ddv_tty_driver global_tty_driver; [L3917] int ddv_ioport_request_start; [L3918] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={0:0}, ={-1:8}, 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 [L2720] int err; [L2722] current_execution_context = 1 [L2660] int i; [L4150] lock->init = 1 [L4151] lock->locked = 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] i++ 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] i++ 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND TRUE i < 10 [L2665] 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}] [L2664] 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}] [L2664] COND FALSE !(i < 10) 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}] [L2668] i = 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}] [L2668] COND TRUE i < 1 [L2669] tasklet_registered[i].tasklet = ((void *)0) [L2670] tasklet_registered[i].is_running = 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}] [L2668] 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}] [L2668] COND FALSE !(i < 1) 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}] [L1771] int ret; [L4477] return 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}] [L7] COND TRUE !expression 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}] [L7] __VERIFIER_error() 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}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 382 locations, 9 error locations. Result: UNSAFE, OverallTime: 40.2s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5029 SDtfs, 5491 SDslu, 6791 SDs, 0 SdLazy, 290 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred 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, 35.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 490 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 20334 SizeOfPredicates, 10 NumberOfNonLiveVariables, 5093 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 13:51:38,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:51:38,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:51:38,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-12-07 13:51:38,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:51:38,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:51:38,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:51:38,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:51:38,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:51:38,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:51:38,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:51:38,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:51:38,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:51:38,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:51:38,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:51:38,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:51:38,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:51:38,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:51:38,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:51:38,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:51:38,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:51:38,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:51:38,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:51:38,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:51:38,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:51:38,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:51:38,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:51:38,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:51:38,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:51:38,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:51:38,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:51:38,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:51:38,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:51:38,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 13:51:38,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:51:38,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:51:38,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:51:38,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:51:38,464 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:51:38,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:51:38,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:51:38,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:51:38,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:51:38,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:51:38,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:51:38,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:51:38,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:51:38,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:51:38,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:51:38,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:51:38,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:51:38,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:51:38,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:51:38,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:51:38,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:51:38,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:51:38,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:51:38,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:51:38,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:51:38,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:51:38,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 13:51:38,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:51:38,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:51:38,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:51:38,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:51:38,470 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_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 -> ae64ae88f56c84d0642d94fe4dc0fcc5f100877b [2019-12-07 13:51:38,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:51:38,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:51:38,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:51:38,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:51:38,641 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:51:38,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 13:51:38,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/b8b037753/2c7b623b01c6448c909fad875a828a4d/FLAG836697e89 [2019-12-07 13:51:39,140 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:51:39,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 13:51:39,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/b8b037753/2c7b623b01c6448c909fad875a828a4d/FLAG836697e89 [2019-12-07 13:51:39,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/bin/uautomizer/data/b8b037753/2c7b623b01c6448c909fad875a828a4d [2019-12-07 13:51:39,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:51:39,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:51:39,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:51:39,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:51:39,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:51:39,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:51:39" (1/1) ... [2019-12-07 13:51:39,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46099cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:39, skipping insertion in model container [2019-12-07 13:51:39,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:51:39" (1/1) ... [2019-12-07 13:51:39,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:51:39,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:51:40,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:51:40,108 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:51:40,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:51:40,590 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:51:40,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40 WrapperNode [2019-12-07 13:51:40,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:51:40,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:51:40,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:51:40,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:51:40,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:51:40,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:51:40,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:51:40,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:51:40,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... [2019-12-07 13:51:40,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:51:40,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:51:40,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:51:40,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:51:40,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:51:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 13:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 13:51:45,591 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:51:45,591 INFO L287 CfgBuilder]: Removed 503 assume(true) statements. [2019-12-07 13:51:45,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:51:45 BoogieIcfgContainer [2019-12-07 13:51:45,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:51:45,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:51:45,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:51:45,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:51:45,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:51:39" (1/3) ... [2019-12-07 13:51:45,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6750a51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:51:45, skipping insertion in model container [2019-12-07 13:51:45,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:40" (2/3) ... [2019-12-07 13:51:45,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6750a51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:51:45, skipping insertion in model container [2019-12-07 13:51:45,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:51:45" (3/3) ... [2019-12-07 13:51:45,597 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2019-12-07 13:51:45,603 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:51:45,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-12-07 13:51:45,616 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-07 13:51:45,636 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:51:45,636 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:51:45,636 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:51:45,636 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:51:45,636 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:51:45,637 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:51:45,637 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:51:45,637 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:51:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states. [2019-12-07 13:51:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 13:51:45,658 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:45,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:45,659 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:45,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:45,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1448150405, now seen corresponding path program 1 times [2019-12-07 13:51:45,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:51:45,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332347320] [2019-12-07 13:51:45,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:46,000 INFO L264 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:51:46,004 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:46,013 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 13:51:46,013 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:51:46,015 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 13:51:46,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332347320] [2019-12-07 13:51:46,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:46,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:51:46,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307780070] [2019-12-07 13:51:46,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:51:46,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:51:46,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:51:46,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:51:46,031 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 2 states. [2019-12-07 13:51:46,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:46,065 INFO L93 Difference]: Finished difference Result 759 states and 977 transitions. [2019-12-07 13:51:46,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:51:46,066 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 13:51:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:46,076 INFO L225 Difference]: With dead ends: 759 [2019-12-07 13:51:46,076 INFO L226 Difference]: Without dead ends: 365 [2019-12-07 13:51:46,080 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 13:51:46,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-12-07 13:51:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2019-12-07 13:51:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-12-07 13:51:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 460 transitions. [2019-12-07 13:51:46,122 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 460 transitions. Word has length 12 [2019-12-07 13:51:46,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:46,123 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 460 transitions. [2019-12-07 13:51:46,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:51:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 460 transitions. [2019-12-07 13:51:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 13:51:46,123 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:46,123 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:46,324 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:51:46,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:46,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:46,326 INFO L82 PathProgramCache]: Analyzing trace with hash 806641781, now seen corresponding path program 1 times [2019-12-07 13:51:46,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:51:46,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177540935] [2019-12-07 13:51:46,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:46,649 INFO L264 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:51:46,651 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:46,662 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 13:51:46,662 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:51:46,671 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 13:51:46,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177540935] [2019-12-07 13:51:46,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:46,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:51:46,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499078556] [2019-12-07 13:51:46,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:51:46,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:51:46,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:51:46,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:51:46,673 INFO L87 Difference]: Start difference. First operand 365 states and 460 transitions. Second operand 4 states. [2019-12-07 13:51:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:46,777 INFO L93 Difference]: Finished difference Result 1088 states and 1374 transitions. [2019-12-07 13:51:46,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:51:46,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 13:51:46,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:46,783 INFO L225 Difference]: With dead ends: 1088 [2019-12-07 13:51:46,784 INFO L226 Difference]: Without dead ends: 728 [2019-12-07 13:51:46,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 13:51:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2019-12-07 13:51:46,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 369. [2019-12-07 13:51:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-12-07 13:51:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 464 transitions. [2019-12-07 13:51:46,811 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 464 transitions. Word has length 12 [2019-12-07 13:51:46,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:46,811 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 464 transitions. [2019-12-07 13:51:46,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:51:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 464 transitions. [2019-12-07 13:51:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:51:46,812 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:46,812 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:47,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:51:47,013 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:47,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:47,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1218920273, now seen corresponding path program 1 times [2019-12-07 13:51:47,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:51:47,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673255576] [2019-12-07 13:51:47,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:47,322 INFO L264 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:51:47,324 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:47,337 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 13:51:47,337 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:51:47,373 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 13:51:47,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673255576] [2019-12-07 13:51:47,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:47,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-07 13:51:47,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188365100] [2019-12-07 13:51:47,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:51:47,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:51:47,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:51:47,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:51:47,374 INFO L87 Difference]: Start difference. First operand 369 states and 464 transitions. Second operand 8 states. [2019-12-07 13:51:47,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:47,613 INFO L93 Difference]: Finished difference Result 738 states and 931 transitions. [2019-12-07 13:51:47,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:51:47,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-12-07 13:51:47,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:47,616 INFO L225 Difference]: With dead ends: 738 [2019-12-07 13:51:47,616 INFO L226 Difference]: Without dead ends: 377 [2019-12-07 13:51:47,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 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 13:51:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-12-07 13:51:47,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2019-12-07 13:51:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-12-07 13:51:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 471 transitions. [2019-12-07 13:51:47,632 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 471 transitions. Word has length 18 [2019-12-07 13:51:47,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:47,632 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 471 transitions. [2019-12-07 13:51:47,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:51:47,633 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 471 transitions. [2019-12-07 13:51:47,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:51:47,633 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:47,633 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:47,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:51:47,834 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1923404377, now seen corresponding path program 2 times [2019-12-07 13:51:47,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:51:47,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928018332] [2019-12-07 13:51:47,836 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:51:55,267 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 13:51:55,267 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 13:51:55,363 INFO L264 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:51:55,365 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:55,418 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 13:51:55,418 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:51:55,651 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 13:51:55,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928018332] [2019-12-07 13:51:55,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:55,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-12-07 13:51:55,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62888280] [2019-12-07 13:51:55,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 13:51:55,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:51:55,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 13:51:55,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:51:55,652 INFO L87 Difference]: Start difference. First operand 377 states and 471 transitions. Second operand 16 states. [2019-12-07 13:51:56,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:56,250 INFO L93 Difference]: Finished difference Result 746 states and 937 transitions. [2019-12-07 13:51:56,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 13:51:56,250 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2019-12-07 13:51:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:56,252 INFO L225 Difference]: With dead ends: 746 [2019-12-07 13:51:56,252 INFO L226 Difference]: Without dead ends: 385 [2019-12-07 13:51:56,253 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 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 13:51:56,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-12-07 13:51:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2019-12-07 13:51:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-12-07 13:51:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 479 transitions. [2019-12-07 13:51:56,261 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 479 transitions. Word has length 26 [2019-12-07 13:51:56,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:56,261 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 479 transitions. [2019-12-07 13:51:56,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 13:51:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 479 transitions. [2019-12-07 13:51:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 13:51:56,262 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:56,262 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:56,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:51:56,464 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:56,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1031986529, now seen corresponding path program 3 times [2019-12-07 13:51:56,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:51:56,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380968806] [2019-12-07 13:51:56,466 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23de29b0-5967-4094-9d55-5d0c6d98ebeb/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 13:52:06,388 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-12-07 13:52:06,388 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 13:52:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:52:13,815 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 13:52:13,815 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:52:14,016 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:52:14,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:52:14 BoogieIcfgContainer [2019-12-07 13:52:14,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:52:14,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:52:14,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:52:14,165 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:52:14,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:51:45" (3/4) ... [2019-12-07 13:52:14,169 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:52:14,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:52:14,171 INFO L168 Benchmark]: Toolchain (without parser) took 35000.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:14,171 INFO L168 Benchmark]: CDTParser took 0.13 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 13:52:14,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1419.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 947.0 MB in the beginning and 901.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 193.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:14,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.85 ms. Allocated memory is still 1.2 GB. Free memory was 901.5 MB in the beginning and 887.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:14,173 INFO L168 Benchmark]: Boogie Preprocessor took 81.99 ms. Allocated memory is still 1.2 GB. Free memory was 887.7 MB in the beginning and 873.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:14,174 INFO L168 Benchmark]: RCFGBuilder took 4807.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 873.9 MB in the beginning and 1.2 GB in the end (delta: -285.3 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:14,174 INFO L168 Benchmark]: TraceAbstraction took 28571.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:14,175 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:52:14,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 1419.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 947.0 MB in the beginning and 901.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 193.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.85 ms. Allocated memory is still 1.2 GB. Free memory was 901.5 MB in the beginning and 887.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.99 ms. Allocated memory is still 1.2 GB. Free memory was 887.7 MB in the beginning and 873.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4807.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 873.9 MB in the beginning and 1.2 GB in the end (delta: -285.3 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28571.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.18 ms. Allocated memory is still 1.3 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]; [L2592] struct ddv_pci_driver registered_pci_driver; [L2603] struct registered_irq registered_irq[16]; [L2613] short number_tasklet_registered = 0; [L2620] struct ddv_tasklet tasklet_registered[1]; [L2630] short number_timer_registered = 0; [L2636] struct ddv_timer timer_registered[1]; [L2646] struct work_struct *shared_workqueue[10]; [L2656] spinlock_t kernel_lock; [L3342] request_queue_t fixed_request_queue[10]; [L3344] int number_request_queue_used = 0; [L3428] struct proc_dir_entry *proc_root_driver; [L3738] struct ddv_tty_driver global_tty_driver; [L3917] int ddv_ioport_request_start; [L3918] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={-1:8}, ={0:0}, action=0, cdev_registered={-2147483577:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L1845] _ddv_module_init = zf_init [L1846] _ddv_module_exit = zf_exit [L2720] int err; [L2722] current_execution_context = 1 [L2660] int i; [L4150] lock->init = 1 [L4151] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2664] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2668] COND TRUE i < 1 [L2669] tasklet_registered[i].tasklet = ((void *)0) [L2670] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L2668] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L1771] int ret; [L4477] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L7] COND TRUE !expression VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] [L7] __VERIFIER_error() VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483577:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={16455:0}, fixed_cdev_used=0, fixed_gendisk={23:0}, fixed_request_queue={-2147336189:0}, genhd_registered={-2147352572:0}, global_tty_driver={-2147352570:0}, jiffies=0, kernel_lock={-2147352562:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-2147352556:0}, registered_pci_driver={-1073610730:0}, shared_workqueue={1610612807:0}, tasklet_registered={-2147483642:0}, timer_registered={-2147352554:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483621:0}, zf_info={55:0}, zf_is_open={1073741859:0}, zf_lock={-536870841:0}, zf_miscdev={-1610612665:0}, zf_notifier={19:0}, zf_port_lock={-2147483645:0}, zf_timer={1073741879:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 382 locations, 9 error locations. Result: UNSAFE, OverallTime: 28.3s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1843 SDtfs, 3181 SDslu, 4515 SDs, 0 SdLazy, 214 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred 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, 359 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 17.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 5050 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1460 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...