./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.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_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/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 38cf3b659b52f4508efd57b302a97741f3a68a5a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:42:18,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:42:18,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:42:18,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:42:18,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:42:18,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:42:18,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:42:18,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:42:18,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:42:18,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:42:18,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:42:18,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:42:18,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:42:18,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:42:18,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:42:18,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:42:18,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:42:18,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:42:18,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:42:18,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:42:18,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:42:18,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:42:18,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:42:18,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:42:18,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:42:18,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:42:18,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:42:18,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:42:18,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:42:18,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:42:18,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:42:18,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:42:18,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:42:18,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:42:18,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:42:18,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:42:18,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:42:18,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:42:18,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:42:18,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:42:18,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:42:18,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-11-26 02:42:18,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:42:18,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:42:18,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:42:18,986 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:42:18,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:42:18,986 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:42:18,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:42:18,987 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:42:18,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:42:18,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:42:18,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:42:18,987 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:42:18,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:42:18,988 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:42:18,988 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:42:18,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:42:18,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:42:18,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:42:18,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:42:18,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:42:18,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:42:18,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:42:18,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:42:18,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:42:18,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:42:18,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:42:18,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:42:18,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:42:18,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:42:18,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:42:18,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:42:18,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:42:18,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:42:18,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:42:18,992 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-11-26 02:42:18,992 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_95e5f869-c87e-44c2-8b55-95afa877738a/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 -> 38cf3b659b52f4508efd57b302a97741f3a68a5a [2019-11-26 02:42:19,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:42:19,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:42:19,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:42:19,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:42:19,198 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:42:19,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-11-26 02:42:19,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/data/7831db8da/a4558b33a20445e4b7a8eed371034dc3/FLAG6d72a4e71 [2019-11-26 02:42:19,814 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:42:19,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-11-26 02:42:19,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/data/7831db8da/a4558b33a20445e4b7a8eed371034dc3/FLAG6d72a4e71 [2019-11-26 02:42:20,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/data/7831db8da/a4558b33a20445e4b7a8eed371034dc3 [2019-11-26 02:42:20,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:42:20,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:42:20,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:20,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:42:20,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:42:20,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332140bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20, skipping insertion in model container [2019-11-26 02:42:20,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:42:20,153 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:42:20,536 WARN L1155 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-11-26 02:42:20,536 WARN L1155 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-11-26 02:42:20,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:42:20,726 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:42:20,769 WARN L1155 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-11-26 02:42:20,769 WARN L1155 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-11-26 02:42:20,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:42:20,940 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:42:20,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20 WrapperNode [2019-11-26 02:42:20,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:20,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:42:20,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:42:20,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:42:20,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:42:21,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:42:21,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:42:21,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:42:21,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:42:21,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:42:21,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:42:21,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:42:21,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/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 02:42:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:42:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:42:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:42:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:42:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:42:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:42:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:42:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:42:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:42:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:42:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:42:24,352 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:42:24,352 INFO L284 CfgBuilder]: Removed 188 assume(true) statements. [2019-11-26 02:42:24,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:24 BoogieIcfgContainer [2019-11-26 02:42:24,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:42:24,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:42:24,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:42:24,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:42:24,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:42:20" (1/3) ... [2019-11-26 02:42:24,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ada871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:42:24, skipping insertion in model container [2019-11-26 02:42:24,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (2/3) ... [2019-11-26 02:42:24,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ada871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:42:24, skipping insertion in model container [2019-11-26 02:42:24,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:24" (3/3) ... [2019-11-26 02:42:24,361 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-11-26 02:42:24,370 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:42:24,376 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-26 02:42:24,386 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-26 02:42:24,407 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:42:24,408 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:42:24,408 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:42:24,408 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:42:24,408 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:42:24,408 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:42:24,408 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:42:24,408 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:42:24,423 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2019-11-26 02:42:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:42:24,428 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:24,429 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:42:24,430 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:42:24,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:24,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1702456171, now seen corresponding path program 1 times [2019-11-26 02:42:24,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:24,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728645172] [2019-11-26 02:42:24,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:24,834 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 02:42:24,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728645172] [2019-11-26 02:42:24,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:24,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:42:24,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711641879] [2019-11-26 02:42:24,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:42:24,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:24,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:42:24,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:42:24,858 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 3 states. [2019-11-26 02:42:24,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:24,962 INFO L93 Difference]: Finished difference Result 170 states and 270 transitions. [2019-11-26 02:42:24,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:42:24,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-26 02:42:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:24,982 INFO L225 Difference]: With dead ends: 170 [2019-11-26 02:42:24,983 INFO L226 Difference]: Without dead ends: 99 [2019-11-26 02:42:24,986 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 02:42:25,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-26 02:42:25,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2019-11-26 02:42:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-26 02:42:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 108 transitions. [2019-11-26 02:42:25,037 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 108 transitions. Word has length 14 [2019-11-26 02:42:25,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:25,037 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 108 transitions. [2019-11-26 02:42:25,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:42:25,037 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2019-11-26 02:42:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:42:25,039 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:25,039 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:42:25,039 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:42:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:25,040 INFO L82 PathProgramCache]: Analyzing trace with hash -457832421, now seen corresponding path program 1 times [2019-11-26 02:42:25,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:25,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126074648] [2019-11-26 02:42:25,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:42:25,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126074648] [2019-11-26 02:42:25,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:25,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:42:25,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139463463] [2019-11-26 02:42:25,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:42:25,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:25,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:42:25,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:42:25,218 INFO L87 Difference]: Start difference. First operand 72 states and 108 transitions. Second operand 3 states. [2019-11-26 02:42:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:25,240 INFO L93 Difference]: Finished difference Result 72 states and 108 transitions. [2019-11-26 02:42:25,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:42:25,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-26 02:42:25,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:25,241 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:42:25,241 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:42:25,243 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:42:25,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:42:25,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:42:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:42:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:42:25,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-26 02:42:25,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:25,244 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:42:25,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:42:25,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:42:25,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:42:25,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:42:25,348 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1519) no Hoare annotation was computed. [2019-11-26 02:42:25,349 INFO L440 ceAbstractionStarter]: At program point L1753(lines 1679 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,349 INFO L444 ceAbstractionStarter]: For program point L1489(lines 1489 1496) no Hoare annotation was computed. [2019-11-26 02:42:25,349 INFO L444 ceAbstractionStarter]: For program point L1489-1(lines 1489 1496) no Hoare annotation was computed. [2019-11-26 02:42:25,349 INFO L444 ceAbstractionStarter]: For program point L1853(lines 1853 1856) no Hoare annotation was computed. [2019-11-26 02:42:25,349 INFO L447 ceAbstractionStarter]: At program point L2019(lines 1 2170) the Hoare annotation is: true [2019-11-26 02:42:25,349 INFO L440 ceAbstractionStarter]: At program point L1690(lines 1690 1695) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,349 INFO L447 ceAbstractionStarter]: At program point L1525(lines 1524 1527) the Hoare annotation is: true [2019-11-26 02:42:25,349 INFO L447 ceAbstractionStarter]: At program point L1525-1(lines 1524 1527) the Hoare annotation is: true [2019-11-26 02:42:25,349 INFO L447 ceAbstractionStarter]: At program point L1525-2(lines 1524 1527) the Hoare annotation is: true [2019-11-26 02:42:25,350 INFO L444 ceAbstractionStarter]: For program point L2055(lines 2055 2058) no Hoare annotation was computed. [2019-11-26 02:42:25,350 INFO L444 ceAbstractionStarter]: For program point L2055-2(lines 2055 2058) no Hoare annotation was computed. [2019-11-26 02:42:25,350 INFO L444 ceAbstractionStarter]: For program point L2055-4(lines 2055 2058) no Hoare annotation was computed. [2019-11-26 02:42:25,350 INFO L444 ceAbstractionStarter]: For program point L2055-6(lines 2055 2058) no Hoare annotation was computed. [2019-11-26 02:42:25,350 INFO L444 ceAbstractionStarter]: For program point L1990(line 1990) no Hoare annotation was computed. [2019-11-26 02:42:25,350 INFO L440 ceAbstractionStarter]: At program point L1726(lines 1679 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,350 INFO L440 ceAbstractionStarter]: At program point L1495(lines 1482 1498) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 0) (= ~ldv_spin~0 0)) [2019-11-26 02:42:25,350 INFO L440 ceAbstractionStarter]: At program point L1495-1(lines 1482 1498) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 0) (= ~ldv_spin~0 0)) [2019-11-26 02:42:25,351 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1519) no Hoare annotation was computed. [2019-11-26 02:42:25,351 INFO L444 ceAbstractionStarter]: For program point L2025(line 2025) no Hoare annotation was computed. [2019-11-26 02:42:25,351 INFO L444 ceAbstractionStarter]: For program point L1893(lines 1893 1896) no Hoare annotation was computed. [2019-11-26 02:42:25,351 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1519) no Hoare annotation was computed. [2019-11-26 02:42:25,351 INFO L440 ceAbstractionStarter]: At program point L1765(lines 1679 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,351 INFO L444 ceAbstractionStarter]: For program point L1997(line 1997) no Hoare annotation was computed. [2019-11-26 02:42:25,351 INFO L444 ceAbstractionStarter]: For program point L1998(lines 1998 2030) no Hoare annotation was computed. [2019-11-26 02:42:25,351 INFO L447 ceAbstractionStarter]: At program point L1932(lines 1918 1939) the Hoare annotation is: true [2019-11-26 02:42:25,352 INFO L440 ceAbstractionStarter]: At program point L1800(lines 1661 1802) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,352 INFO L444 ceAbstractionStarter]: For program point L2032(line 2032) no Hoare annotation was computed. [2019-11-26 02:42:25,352 INFO L440 ceAbstractionStarter]: At program point L1702(lines 1679 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,352 INFO L444 ceAbstractionStarter]: For program point L1967(line 1967) no Hoare annotation was computed. [2019-11-26 02:42:25,352 INFO L444 ceAbstractionStarter]: For program point L2001(line 2001) no Hoare annotation was computed. [2019-11-26 02:42:25,352 INFO L444 ceAbstractionStarter]: For program point L1968(lines 1968 1995) no Hoare annotation was computed. [2019-11-26 02:42:25,352 INFO L440 ceAbstractionStarter]: At program point L1902(lines 1890 1909) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,352 INFO L440 ceAbstractionStarter]: At program point L1770(lines 1770 1771) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,353 INFO L440 ceAbstractionStarter]: At program point L1737(lines 1737 1740) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,353 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:42:25,353 INFO L440 ceAbstractionStarter]: At program point L2035(lines 1955 2040) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,353 INFO L444 ceAbstractionStarter]: For program point L2002(lines 2002 2007) no Hoare annotation was computed. [2019-11-26 02:42:25,353 INFO L440 ceAbstractionStarter]: At program point L1903(lines 1903 1906) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,353 INFO L440 ceAbstractionStarter]: At program point L1772(lines 1772 1780) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,353 INFO L444 ceAbstractionStarter]: For program point L1772-2(lines 1772 1780) no Hoare annotation was computed. [2019-11-26 02:42:25,353 INFO L444 ceAbstractionStarter]: For program point L1971(line 1971) no Hoare annotation was computed. [2019-11-26 02:42:25,354 INFO L440 ceAbstractionStarter]: At program point L1707(lines 1707 1712) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,354 INFO L440 ceAbstractionStarter]: At program point L1972(lines 1972 1980) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,354 INFO L444 ceAbstractionStarter]: For program point L1775(lines 1775 1778) no Hoare annotation was computed. [2019-11-26 02:42:25,354 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:42:25,354 INFO L440 ceAbstractionStarter]: At program point L1842(lines 1842 1846) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,354 INFO L440 ceAbstractionStarter]: At program point L1908-3(lines 1884 1910) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,354 INFO L444 ceAbstractionStarter]: For program point L2009(line 2009) no Hoare annotation was computed. [2019-11-26 02:42:25,354 INFO L440 ceAbstractionStarter]: At program point L2010(lines 2010 2023) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L440 ceAbstractionStarter]: At program point L1878(lines 1828 1880) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L440 ceAbstractionStarter]: At program point L1515(lines 2052 2061) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L440 ceAbstractionStarter]: At program point L1515-1(lines 2052 2061) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L440 ceAbstractionStarter]: At program point L1515-2(lines 2052 2061) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L440 ceAbstractionStarter]: At program point L1515-3(lines 2052 2061) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L444 ceAbstractionStarter]: For program point L2012-2(lines 2010 2022) no Hoare annotation was computed. [2019-11-26 02:42:25,355 INFO L440 ceAbstractionStarter]: At program point L1682(lines 1682 1685) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,355 INFO L444 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-26 02:42:25,356 INFO L444 ceAbstractionStarter]: For program point L1518-1(line 1518) no Hoare annotation was computed. [2019-11-26 02:42:25,356 INFO L444 ceAbstractionStarter]: For program point L1518-2(line 1518) no Hoare annotation was computed. [2019-11-26 02:42:25,356 INFO L444 ceAbstractionStarter]: For program point L1518-3(line 1518) no Hoare annotation was computed. [2019-11-26 02:42:25,356 INFO L440 ceAbstractionStarter]: At program point L-1-2(line -1) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 0) (= ~ldv_spin~0 0)) [2019-11-26 02:42:25,356 INFO L440 ceAbstractionStarter]: At program point L-1-5(line -1) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 0) (= ~ldv_spin~0 0)) [2019-11-26 02:42:25,356 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1519) no Hoare annotation was computed. [2019-11-26 02:42:25,356 INFO L440 ceAbstractionStarter]: At program point L2147-1(lines 1759 1763) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,357 INFO L440 ceAbstractionStarter]: At program point L1982(line 1982) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,357 INFO L440 ceAbstractionStarter]: At program point L1719(lines 1719 1724) the Hoare annotation is: (= ~ldv_spin~0 0) [2019-11-26 02:42:25,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:42:25 BoogieIcfgContainer [2019-11-26 02:42:25,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:42:25,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:42:25,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:42:25,376 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:42:25,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:24" (3/4) ... [2019-11-26 02:42:25,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:42:25,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 169 nodes and edges [2019-11-26 02:42:25,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2019-11-26 02:42:25,412 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-26 02:42:25,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:42:25,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:42:25,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_95e5f869-c87e-44c2-8b55-95afa877738a/bin/utaipan/witness.graphml [2019-11-26 02:42:25,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:42:25,674 INFO L168 Benchmark]: Toolchain (without parser) took 5610.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.9 MB). Free memory was 946.1 MB in the beginning and 881.8 MB in the end (delta: 64.2 MB). Peak memory consumption was 289.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,675 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:42:25,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -121.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,676 INFO L168 Benchmark]: Boogie Preprocessor took 82.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,676 INFO L168 Benchmark]: RCFGBuilder took 3214.20 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.7 MB). Peak memory consumption was 306.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,676 INFO L168 Benchmark]: TraceAbstraction took 1020.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 979.6 MB in the end (delta: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,677 INFO L168 Benchmark]: Witness Printer took 296.96 ms. Allocated memory is still 1.3 GB. Free memory was 979.6 MB in the beginning and 881.8 MB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:25,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 871.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -121.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3214.20 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.7 MB). Peak memory consumption was 306.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1020.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 979.6 MB in the end (delta: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. * Witness Printer took 296.96 ms. Allocated memory is still 1.3 GB. Free memory was 979.6 MB in the beginning and 881.8 MB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1519]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1519]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1519]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1519]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1679]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1482]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 && ldv_spin == 0 - InvariantResult [Line: 1918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2052]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1707]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1482]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 && ldv_spin == 0 - InvariantResult [Line: 2052]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1982]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1679]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1955]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1737]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1679]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1903]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1890]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 && ldv_spin == 0 - InvariantResult [Line: 1759]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1719]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1828]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 && ldv_spin == 0 - InvariantResult [Line: 1524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2052]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1972]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1842]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2052]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1884]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2010]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1679]: Loop Invariant Derived loop invariant: ldv_spin == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 67 locations, 4 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 179 SDtfs, 134 SDslu, 84 SDs, 0 SdLazy, 12 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=1, 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, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 35 PreInvPairs, 72 NumberOfFragments, 111 HoareAnnotationTreeSize, 35 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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...