./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i -s /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 842dd2d0fe711f35eadb4ba17729a5a32f7af8f5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:32:21,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:21,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:21,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:21,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:21,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:21,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:21,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:21,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:21,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:21,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:21,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:21,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:21,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:21,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:21,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:21,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:21,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:21,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:21,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:21,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:21,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:21,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:21,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:21,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:21,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:21,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:21,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:21,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:21,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:21,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:21,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:21,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:21,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:21,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:21,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:21,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:21,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:21,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:21,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:21,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:21,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-11-26 02:32:22,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:22,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:22,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:22,005 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:32:22,005 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:32:22,006 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:32:22,006 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:32:22,006 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:32:22,006 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:32:22,007 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:32:22,008 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:32:22,008 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:32:22,008 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:32:22,008 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:32:22,009 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:32:22,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:22,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:32:22,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:22,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:22,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:22,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:22,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:22,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:22,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:22,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:22,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:32:22,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:22,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:22,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:22,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:22,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:32:22,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:32:22,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:22,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:32:22,014 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-11-26 02:32:22,014 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 842dd2d0fe711f35eadb4ba17729a5a32f7af8f5 [2019-11-26 02:32:22,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:22,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:22,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:22,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:22,161 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:22,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-26 02:32:22,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/data/f9d6984ac/3b73fa6cdea64d429ab84745edad7115/FLAG80186c463 [2019-11-26 02:32:22,722 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:22,725 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-26 02:32:22,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/data/f9d6984ac/3b73fa6cdea64d429ab84745edad7115/FLAG80186c463 [2019-11-26 02:32:22,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/data/f9d6984ac/3b73fa6cdea64d429ab84745edad7115 [2019-11-26 02:32:22,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:22,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:22,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:22,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:22,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:22,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:22" (1/1) ... [2019-11-26 02:32:22,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abaee4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:22, skipping insertion in model container [2019-11-26 02:32:22,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:22" (1/1) ... [2019-11-26 02:32:22,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:23,034 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:23,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:23,754 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:32:23,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:24,006 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:32:24,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24 WrapperNode [2019-11-26 02:32:24,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:24,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:24,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:32:24,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:32:24,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:24,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:32:24,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:32:24,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:32:24,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... [2019-11-26 02:32:24,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:32:24,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:32:24,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:32:24,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:32:24,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/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 [2019-11-26 02:32:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:32:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:32:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:32:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:32:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:32:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:32:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:32:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:32:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:32:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:32:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:32:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-26 02:32:29,312 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:32:29,313 INFO L284 CfgBuilder]: Removed 185 assume(true) statements. [2019-11-26 02:32:29,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:29 BoogieIcfgContainer [2019-11-26 02:32:29,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:32:29,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:32:29,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:32:29,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:32:29,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:32:22" (1/3) ... [2019-11-26 02:32:29,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674f43ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:29, skipping insertion in model container [2019-11-26 02:32:29,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:24" (2/3) ... [2019-11-26 02:32:29,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674f43ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:29, skipping insertion in model container [2019-11-26 02:32:29,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:29" (3/3) ... [2019-11-26 02:32:29,324 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-26 02:32:29,333 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:32:29,340 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:32:29,351 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:32:29,376 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:32:29,376 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:32:29,376 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:32:29,376 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:32:29,377 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:32:29,377 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:32:29,377 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:32:29,377 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:32:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2019-11-26 02:32:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:32:29,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:29,402 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:32:29,402 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash 847358683, now seen corresponding path program 1 times [2019-11-26 02:32:29,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:29,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030851873] [2019-11-26 02:32:29,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:29,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030851873] [2019-11-26 02:32:29,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:29,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:32:29,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405751196] [2019-11-26 02:32:29,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:32:29,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:32:29,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:32:29,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:32:29,737 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 3 states. [2019-11-26 02:32:29,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:29,773 INFO L93 Difference]: Finished difference Result 118 states and 181 transitions. [2019-11-26 02:32:29,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:32:29,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-26 02:32:29,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:29,793 INFO L225 Difference]: With dead ends: 118 [2019-11-26 02:32:29,793 INFO L226 Difference]: Without dead ends: 42 [2019-11-26 02:32:29,799 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 [2019-11-26 02:32:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-26 02:32:29,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-26 02:32:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-26 02:32:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2019-11-26 02:32:29,845 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 5 [2019-11-26 02:32:29,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:29,846 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2019-11-26 02:32:29,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:32:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2019-11-26 02:32:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:32:29,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:29,847 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:32:29,847 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:29,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:29,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1732065698, now seen corresponding path program 1 times [2019-11-26 02:32:29,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:29,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088888330] [2019-11-26 02:32:29,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:29,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088888330] [2019-11-26 02:32:29,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:29,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:32:29,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285945139] [2019-11-26 02:32:29,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:32:29,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:32:29,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:32:29,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:32:29,991 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand 3 states. [2019-11-26 02:32:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:30,003 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2019-11-26 02:32:30,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:32:30,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-26 02:32:30,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:30,007 INFO L225 Difference]: With dead ends: 42 [2019-11-26 02:32:30,008 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:32:30,009 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 [2019-11-26 02:32:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:32:30,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:32:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:32:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2019-11-26 02:32:30,018 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 57 transitions. Word has length 7 [2019-11-26 02:32:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:30,019 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 57 transitions. [2019-11-26 02:32:30,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:32:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2019-11-26 02:32:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:32:30,020 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:30,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:32:30,021 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:30,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:30,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1932177640, now seen corresponding path program 1 times [2019-11-26 02:32:30,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:30,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745100467] [2019-11-26 02:32:30,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:30,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745100467] [2019-11-26 02:32:30,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:30,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:32:30,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340361633] [2019-11-26 02:32:30,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:32:30,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:32:30,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:32:30,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:32:30,110 INFO L87 Difference]: Start difference. First operand 40 states and 57 transitions. Second operand 3 states. [2019-11-26 02:32:30,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:30,117 INFO L93 Difference]: Finished difference Result 40 states and 57 transitions. [2019-11-26 02:32:30,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:32:30,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:32:30,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:30,120 INFO L225 Difference]: With dead ends: 40 [2019-11-26 02:32:30,121 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:32:30,121 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 [2019-11-26 02:32:30,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:32:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:32:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:32:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:32:30,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-11-26 02:32:30,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:30,122 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:32:30,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:32:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:32:30,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:32:30,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:32:30,216 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2150) no Hoare annotation was computed. [2019-11-26 02:32:30,217 INFO L444 ceAbstractionStarter]: For program point L2150(line 2150) no Hoare annotation was computed. [2019-11-26 02:32:30,217 INFO L444 ceAbstractionStarter]: For program point L2150-2(line 2150) no Hoare annotation was computed. [2019-11-26 02:32:30,217 INFO L444 ceAbstractionStarter]: For program point L2150-1(line 2150) no Hoare annotation was computed. [2019-11-26 02:32:30,217 INFO L444 ceAbstractionStarter]: For program point L1655(lines 1655 1675) no Hoare annotation was computed. [2019-11-26 02:32:30,217 INFO L447 ceAbstractionStarter]: At program point L1655-2(lines 1655 1675) the Hoare annotation is: true [2019-11-26 02:32:30,217 INFO L444 ceAbstractionStarter]: For program point L1655-3(lines 1655 1675) no Hoare annotation was computed. [2019-11-26 02:32:30,217 INFO L447 ceAbstractionStarter]: At program point L1655-5(lines 1655 1675) the Hoare annotation is: true [2019-11-26 02:32:30,217 INFO L444 ceAbstractionStarter]: For program point L1656(lines 1656 1660) no Hoare annotation was computed. [2019-11-26 02:32:30,218 INFO L444 ceAbstractionStarter]: For program point L1656-1(lines 1656 1660) no Hoare annotation was computed. [2019-11-26 02:32:30,218 INFO L444 ceAbstractionStarter]: For program point L2055(lines 2055 2060) no Hoare annotation was computed. [2019-11-26 02:32:30,218 INFO L447 ceAbstractionStarter]: At program point L2122(line 2122) the Hoare annotation is: true [2019-11-26 02:32:30,218 INFO L440 ceAbstractionStarter]: At program point L1661(lines 1661 1673) the Hoare annotation is: false [2019-11-26 02:32:30,218 INFO L440 ceAbstractionStarter]: At program point L1661-1(lines 1661 1673) the Hoare annotation is: false [2019-11-26 02:32:30,218 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 2150) no Hoare annotation was computed. [2019-11-26 02:32:30,218 INFO L444 ceAbstractionStarter]: For program point L1893(lines 1893 1914) no Hoare annotation was computed. [2019-11-26 02:32:30,218 INFO L447 ceAbstractionStarter]: At program point L1893-2(lines 1893 1914) the Hoare annotation is: true [2019-11-26 02:32:30,219 INFO L447 ceAbstractionStarter]: At program point L1928(lines 1854 1930) the Hoare annotation is: true [2019-11-26 02:32:30,219 INFO L440 ceAbstractionStarter]: At program point L1664(lines 1664 1667) the Hoare annotation is: false [2019-11-26 02:32:30,219 INFO L440 ceAbstractionStarter]: At program point L1664-1(lines 1664 1667) the Hoare annotation is: false [2019-11-26 02:32:30,219 INFO L444 ceAbstractionStarter]: For program point L1896(lines 1896 1899) no Hoare annotation was computed. [2019-11-26 02:32:30,219 INFO L444 ceAbstractionStarter]: For program point L1731(lines 1731 1734) no Hoare annotation was computed. [2019-11-26 02:32:30,219 INFO L447 ceAbstractionStarter]: At program point L2062(lines 2036 2077) the Hoare annotation is: true [2019-11-26 02:32:30,219 INFO L440 ceAbstractionStarter]: At program point L1402(lines 1402 1405) the Hoare annotation is: false [2019-11-26 02:32:30,219 INFO L440 ceAbstractionStarter]: At program point L1402-1(lines 1402 1405) the Hoare annotation is: false [2019-11-26 02:32:30,219 INFO L444 ceAbstractionStarter]: For program point L1865(lines 1865 1868) no Hoare annotation was computed. [2019-11-26 02:32:30,220 INFO L440 ceAbstractionStarter]: At program point L1403(lines 1396 1407) the Hoare annotation is: false [2019-11-26 02:32:30,220 INFO L440 ceAbstractionStarter]: At program point L1403-1(lines 1396 1407) the Hoare annotation is: false [2019-11-26 02:32:30,220 INFO L444 ceAbstractionStarter]: For program point L2166(lines 2166 2169) no Hoare annotation was computed. [2019-11-26 02:32:30,220 INFO L447 ceAbstractionStarter]: At program point L2133(lines 2109 2145) the Hoare annotation is: true [2019-11-26 02:32:30,220 INFO L447 ceAbstractionStarter]: At program point L2067(lines 2036 2077) the Hoare annotation is: true [2019-11-26 02:32:30,220 INFO L444 ceAbstractionStarter]: For program point L1473(lines 1473 1489) no Hoare annotation was computed. [2019-11-26 02:32:30,220 INFO L440 ceAbstractionStarter]: At program point L1473-2(lines 1441 1493) the Hoare annotation is: false [2019-11-26 02:32:30,220 INFO L444 ceAbstractionStarter]: For program point L1473-3(lines 1473 1489) no Hoare annotation was computed. [2019-11-26 02:32:30,220 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:32:30,221 INFO L440 ceAbstractionStarter]: At program point L1473-5(lines 1441 1493) the Hoare annotation is: false [2019-11-26 02:32:30,221 INFO L444 ceAbstractionStarter]: For program point L1473-6(lines 1473 1489) no Hoare annotation was computed. [2019-11-26 02:32:30,221 INFO L440 ceAbstractionStarter]: At program point L1473-8(lines 1441 1493) the Hoare annotation is: false [2019-11-26 02:32:30,221 INFO L444 ceAbstractionStarter]: For program point L1473-9(lines 1473 1489) no Hoare annotation was computed. [2019-11-26 02:32:30,221 INFO L440 ceAbstractionStarter]: At program point L1473-11(lines 1441 1493) the Hoare annotation is: false [2019-11-26 02:32:30,221 INFO L447 ceAbstractionStarter]: At program point L1870(lines 1870 1873) the Hoare annotation is: true [2019-11-26 02:32:30,221 INFO L447 ceAbstractionStarter]: At program point L2069(lines 2036 2077) the Hoare annotation is: true [2019-11-26 02:32:30,221 INFO L447 ceAbstractionStarter]: At program point L2136(lines 2136 2139) the Hoare annotation is: true [2019-11-26 02:32:30,221 INFO L444 ceAbstractionStarter]: For program point L2171(lines 2171 2174) no Hoare annotation was computed. [2019-11-26 02:32:30,222 INFO L447 ceAbstractionStarter]: At program point L1907(lines 1893 1912) the Hoare annotation is: true [2019-11-26 02:32:30,222 INFO L447 ceAbstractionStarter]: At program point L1841(lines 1 2245) the Hoare annotation is: true [2019-11-26 02:32:30,222 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:32:30,222 INFO L444 ceAbstractionStarter]: For program point L2040(lines 2040 2043) no Hoare annotation was computed. [2019-11-26 02:32:30,222 INFO L447 ceAbstractionStarter]: At program point L1875(lines 1875 1879) the Hoare annotation is: true [2019-11-26 02:32:30,222 INFO L447 ceAbstractionStarter]: At program point L1677(lines 1647 1679) the Hoare annotation is: true [2019-11-26 02:32:30,222 INFO L447 ceAbstractionStarter]: At program point L1677-1(lines 1647 1679) the Hoare annotation is: true [2019-11-26 02:32:30,222 INFO L447 ceAbstractionStarter]: At program point L1745(lines 1727 1751) the Hoare annotation is: true [2019-11-26 02:32:30,223 INFO L447 ceAbstractionStarter]: At program point L2076(lines 2031 2078) the Hoare annotation is: true [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L2176(lines 2176 2179) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L2044(lines 2044 2050) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L2044-2(lines 2044 2050) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L2045-2(lines 2045 2048) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L1484(lines 1484 1487) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L1484-1(lines 1484 1487) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L1484-2(lines 1484 1487) no Hoare annotation was computed. [2019-11-26 02:32:30,223 INFO L444 ceAbstractionStarter]: For program point L1484-3(lines 1484 1487) no Hoare annotation was computed. [2019-11-26 02:32:30,224 INFO L440 ceAbstractionStarter]: At program point L1485(lines 1473 1488) the Hoare annotation is: false [2019-11-26 02:32:30,226 INFO L440 ceAbstractionStarter]: At program point L1485-1(lines 1473 1488) the Hoare annotation is: false [2019-11-26 02:32:30,226 INFO L440 ceAbstractionStarter]: At program point L1485-2(lines 1473 1488) the Hoare annotation is: false [2019-11-26 02:32:30,226 INFO L440 ceAbstractionStarter]: At program point L1485-3(lines 1473 1488) the Hoare annotation is: false [2019-11-26 02:32:30,227 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2150) no Hoare annotation was computed. [2019-11-26 02:32:30,227 INFO L447 ceAbstractionStarter]: At program point L1750(lines 1722 1752) the Hoare annotation is: true [2019-11-26 02:32:30,227 INFO L444 ceAbstractionStarter]: For program point L2114(lines 2114 2117) no Hoare annotation was computed. [2019-11-26 02:32:30,228 INFO L440 ceAbstractionStarter]: At program point L2147-1(lines 1 2245) the Hoare annotation is: (and (= 1 ULTIMATE.start_ldv_check_final_state_~tmp~12) (= ULTIMATE.start_ldv_check_final_state_~tmp___0~5 1)) [2019-11-26 02:32:30,228 INFO L440 ceAbstractionStarter]: At program point L2147(lines 1 2245) the Hoare annotation is: (= 1 ULTIMATE.start_ldv_check_final_state_~tmp~12) [2019-11-26 02:32:30,228 INFO L440 ceAbstractionStarter]: At program point L2147-2(lines 2159 2182) the Hoare annotation is: (= 1 ULTIMATE.start_ldv_check_final_state_~tmp~12) [2019-11-26 02:32:30,228 INFO L440 ceAbstractionStarter]: At program point L1454(lines 1454 1457) the Hoare annotation is: false [2019-11-26 02:32:30,228 INFO L440 ceAbstractionStarter]: At program point L1454-1(lines 1454 1457) the Hoare annotation is: false [2019-11-26 02:32:30,229 INFO L440 ceAbstractionStarter]: At program point L1454-2(lines 1454 1457) the Hoare annotation is: false [2019-11-26 02:32:30,229 INFO L440 ceAbstractionStarter]: At program point L1454-3(lines 1454 1457) the Hoare annotation is: false [2019-11-26 02:32:30,229 INFO L444 ceAbstractionStarter]: For program point L1884(lines 1884 1887) no Hoare annotation was computed. [2019-11-26 02:32:30,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:32:30 BoogieIcfgContainer [2019-11-26 02:32:30,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:32:30,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:32:30,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:32:30,250 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:32:30,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:29" (3/4) ... [2019-11-26 02:32:30,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:32:30,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2019-11-26 02:32:30,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2019-11-26 02:32:30,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-11-26 02:32:30,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:32:30,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:32:30,492 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89c27ce3-c98a-41f7-aca6-311d4121f61b/bin/utaipan/witness.graphml [2019-11-26 02:32:30,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:32:30,494 INFO L168 Benchmark]: Toolchain (without parser) took 7555.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.2 MB). Free memory was 939.4 MB in the beginning and 867.8 MB in the end (delta: 71.6 MB). Peak memory consumption was 313.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,495 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:30,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1067.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,496 INFO L168 Benchmark]: Boogie Preprocessor took 141.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,497 INFO L168 Benchmark]: RCFGBuilder took 5036.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 1.1 GB in the beginning and 977.0 MB in the end (delta: 106.6 MB). Peak memory consumption was 292.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,497 INFO L168 Benchmark]: TraceAbstraction took 933.93 ms. Allocated memory is still 1.3 GB. Free memory was 977.0 MB in the beginning and 911.2 MB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,497 INFO L168 Benchmark]: Witness Printer took 242.80 ms. Allocated memory is still 1.3 GB. Free memory was 911.2 MB in the beginning and 867.8 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:30,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1067.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 141.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5036.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 1.1 GB in the beginning and 977.0 MB in the end (delta: 106.6 MB). Peak memory consumption was 292.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 933.93 ms. Allocated memory is still 1.3 GB. Free memory was 977.0 MB in the beginning and 911.2 MB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * Witness Printer took 242.80 ms. Allocated memory is still 1.3 GB. Free memory was 911.2 MB in the beginning and 867.8 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1655]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == tmp && tmp___0 == 1 - InvariantResult [Line: 1647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1473]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1473]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1473]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2159]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1655]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1473]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2031]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1396]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 171 SDtfs, 14 SDslu, 154 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 65 NumberOfFragments, 53 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 proved your program to be correct! Received shutdown request...