./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 552d7607222e922b5dcd8b6310c7824da9489d41 .......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:57:58,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:58,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:58,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:58,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:58,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:58,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:58,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:58,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:58,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:58,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:58,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:58,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:58,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:58,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:58,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:58,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:58,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:58,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:58,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:58,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:58,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:58,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:58,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:58,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:58,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:58,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:58,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:58,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:58,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:58,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:58,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:58,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:58,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:58,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:58,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:58,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:58,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:58,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:58,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:58,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:58,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:57:58,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:58,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:58,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:58,962 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:58,962 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:58,963 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:58,963 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:57:58,963 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:58,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:58,964 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:57:58,964 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:57:58,964 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:58,965 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:57:58,965 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:57:58,965 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:57:58,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:58,966 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:58,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:57:58,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:58,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:58,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:58,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:58,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:58,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:58,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:58,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:58,969 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:58,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:58,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:58,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:58,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:58,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:58,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:58,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:58,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:58,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:57:58,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:57:58,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:58,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:58,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:58,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552d7607222e922b5dcd8b6310c7824da9489d41 [2020-11-22 12:57:59,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:59,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:59,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:59,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:59,228 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:59,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-11-22 12:57:59,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/data/1c60f1eaf/7b7a52a3c88a4160bfd8a8cf75dcf242/FLAG855bf9aa2 [2020-11-22 12:57:59,805 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:59,806 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-11-22 12:57:59,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/data/1c60f1eaf/7b7a52a3c88a4160bfd8a8cf75dcf242/FLAG855bf9aa2 [2020-11-22 12:58:00,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/data/1c60f1eaf/7b7a52a3c88a4160bfd8a8cf75dcf242 [2020-11-22 12:58:00,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:00,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:00,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:00,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:00,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:00,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428e1464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00, skipping insertion in model container [2020-11-22 12:58:00,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:00,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:00,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:00,480 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:00,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:00,543 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:00,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00 WrapperNode [2020-11-22 12:58:00,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:00,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:00,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:00,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:00,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:00,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:00,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:00,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:00,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... [2020-11-22 12:58:00,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:00,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:00,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:00,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:00,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/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 [2020-11-22 12:58:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-22 12:58:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:58:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-22 12:58:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:58:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 12:58:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:58:01,428 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:58:01,428 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-22 12:58:01,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:01 BoogieIcfgContainer [2020-11-22 12:58:01,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:58:01,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:58:01,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:58:01,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:58:01,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:00" (1/3) ... [2020-11-22 12:58:01,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e37a7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:01, skipping insertion in model container [2020-11-22 12:58:01,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:00" (2/3) ... [2020-11-22 12:58:01,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e37a7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:01, skipping insertion in model container [2020-11-22 12:58:01,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:01" (3/3) ... [2020-11-22 12:58:01,439 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-11-22 12:58:01,450 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:58:01,455 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:58:01,467 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:58:01,490 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:58:01,490 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:58:01,490 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:58:01,491 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:58:01,491 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:58:01,491 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:58:01,491 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:58:01,491 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:58:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-11-22 12:58:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-22 12:58:01,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:01,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:01,510 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:01,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash -562572532, now seen corresponding path program 1 times [2020-11-22 12:58:01,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:01,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389697199] [2020-11-22 12:58:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:01,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389697199] [2020-11-22 12:58:01,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:01,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:58:01,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932113318] [2020-11-22 12:58:01,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:01,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:01,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:01,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:01,702 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2020-11-22 12:58:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:01,740 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2020-11-22 12:58:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:01,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-22 12:58:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:01,748 INFO L225 Difference]: With dead ends: 23 [2020-11-22 12:58:01,748 INFO L226 Difference]: Without dead ends: 13 [2020-11-22 12:58:01,750 INFO L677 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 [2020-11-22 12:58:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-22 12:58:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-22 12:58:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-22 12:58:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2020-11-22 12:58:01,781 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2020-11-22 12:58:01,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:01,782 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-22 12:58:01,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-11-22 12:58:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-22 12:58:01,783 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:01,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:01,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:58:01,784 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:01,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:01,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1676042056, now seen corresponding path program 1 times [2020-11-22 12:58:01,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:01,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989723460] [2020-11-22 12:58:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:01,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989723460] [2020-11-22 12:58:01,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:01,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 12:58:01,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17628741] [2020-11-22 12:58:01,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:01,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:01,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:01,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:01,868 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 3 states. [2020-11-22 12:58:01,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:01,888 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2020-11-22 12:58:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:01,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-22 12:58:01,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:01,889 INFO L225 Difference]: With dead ends: 19 [2020-11-22 12:58:01,889 INFO L226 Difference]: Without dead ends: 13 [2020-11-22 12:58:01,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:01,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-22 12:58:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-22 12:58:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-22 12:58:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-11-22 12:58:01,894 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 8 [2020-11-22 12:58:01,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:01,894 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-11-22 12:58:01,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-11-22 12:58:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:58:01,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:01,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:01,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:58:01,895 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:01,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1059284522, now seen corresponding path program 1 times [2020-11-22 12:58:01,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:01,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55309468] [2020-11-22 12:58:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:02,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55309468] [2020-11-22 12:58:02,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:02,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 12:58:02,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320052802] [2020-11-22 12:58:02,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:02,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:02,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:02,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:02,018 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-11-22 12:58:02,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:02,044 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2020-11-22 12:58:02,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:02,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-22 12:58:02,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:02,045 INFO L225 Difference]: With dead ends: 20 [2020-11-22 12:58:02,046 INFO L226 Difference]: Without dead ends: 11 [2020-11-22 12:58:02,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:02,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-22 12:58:02,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-22 12:58:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-22 12:58:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2020-11-22 12:58:02,049 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2020-11-22 12:58:02,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:02,050 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2020-11-22 12:58:02,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2020-11-22 12:58:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:58:02,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:02,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:02,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 12:58:02,051 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:02,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:02,051 INFO L82 PathProgramCache]: Analyzing trace with hash -498630816, now seen corresponding path program 1 times [2020-11-22 12:58:02,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:02,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749852582] [2020-11-22 12:58:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:02,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749852582] [2020-11-22 12:58:02,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:02,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 12:58:02,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200134968] [2020-11-22 12:58:02,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:02,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:02,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:02,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:02,100 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 3 states. [2020-11-22 12:58:02,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:02,111 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2020-11-22 12:58:02,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:02,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-22 12:58:02,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:02,113 INFO L225 Difference]: With dead ends: 11 [2020-11-22 12:58:02,113 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:58:02,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:02,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:58:02,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:58:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:58:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:58:02,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-22 12:58:02,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:02,115 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:58:02,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:58:02,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:58:02,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 12:58:02,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:58:02,184 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-22 12:58:02,184 INFO L274 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-11-22 12:58:02,184 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-22 12:58:02,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:02,185 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-22 12:58:02,185 INFO L270 CegarLoopResult]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-22 12:58:02,185 INFO L270 CegarLoopResult]: At program point L99(lines 99 107) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~bus_info_ptr1~0.base 0))) [2020-11-22 12:58:02,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:58:02,185 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-22 12:58:02,186 INFO L270 CegarLoopResult]: At program point L87(lines 87 90) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) [2020-11-22 12:58:02,186 INFO L270 CegarLoopResult]: At program point L79(lines 79 82) the Hoare annotation is: (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) [2020-11-22 12:58:02,186 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-11-22 12:58:02,186 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-11-22 12:58:02,186 INFO L270 CegarLoopResult]: At program point L117(lines 117 118) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-22 12:58:02,186 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-22 12:58:02,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:58:02 BoogieIcfgContainer [2020-11-22 12:58:02,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:58:02,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:58:02,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:58:02,204 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:58:02,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:01" (3/4) ... [2020-11-22 12:58:02,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:58:02,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-22 12:58:02,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-22 12:58:02,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:02,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:02,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1126a2d-d30e-4390-8140-cc7218546852/bin/utaipan/witness.graphml [2020-11-22 12:58:02,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:58:02,289 INFO L168 Benchmark]: Toolchain (without parser) took 2114.03 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 80.1 MB in the beginning and 87.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,289 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:02,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.65 ms. Allocated memory is still 107.0 MB. Free memory was 79.8 MB in the beginning and 83.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.94 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:02,291 INFO L168 Benchmark]: Boogie Preprocessor took 36.33 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 79.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,292 INFO L168 Benchmark]: RCFGBuilder took 809.32 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 79.7 MB in the beginning and 96.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,292 INFO L168 Benchmark]: TraceAbstraction took 770.69 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 91.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,292 INFO L168 Benchmark]: Witness Printer took 83.61 ms. Allocated memory is still 130.0 MB. Free memory was 91.1 MB in the beginning and 87.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.65 ms. Allocated memory is still 107.0 MB. Free memory was 79.8 MB in the beginning and 83.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.94 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.33 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 79.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 809.32 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 79.7 MB in the beginning and 96.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 770.69 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 91.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Witness Printer took 83.61 ms. Allocated memory is still 130.0 MB. Free memory was 91.1 MB in the beginning and 87.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: !(hp_slot_ptr == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: !(tmp_slot == 0) && !(hp_slot_ptr == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && !(bus_info_ptr1 == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 35 SDslu, 8 SDs, 0 SdLazy, 12 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 75 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...