./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/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 32bit --witnessprinter.graph.data.programhash f4763c2b4c908cc214cd1281e5c0202db2011511 .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:51:28,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:51:28,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:51:28,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:51:28,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:51:28,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:51:28,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:51:28,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:51:28,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:51:28,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:51:28,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:51:28,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:51:28,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:51:28,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:51:28,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:51:28,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:51:28,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:51:28,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:51:28,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:51:28,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:51:28,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:51:28,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:51:28,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:51:28,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:51:28,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:51:28,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:51:28,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:51:28,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:51:28,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:51:28,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:51:28,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:51:28,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:51:28,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:51:28,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:51:28,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:51:28,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:51:28,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:51:28,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:51:28,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:51:28,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:51:28,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:51:28,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:51:28,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:51:28,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:51:28,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:51:28,604 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:51:28,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:51:28,604 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:51:28,604 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:51:28,604 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:51:28,605 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:51:28,605 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:51:28,606 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:51:28,606 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:51:28,606 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:51:28,607 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:51:28,607 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:51:28,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:51:28,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:51:28,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:51:28,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:51:28,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:51:28,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:51:28,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:51:28,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:51:28,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:51:28,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:51:28,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:51:28,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:51:28,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:51:28,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:51:28,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:51:28,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:51:28,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:51:28,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:51:28,612 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:51:28,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:51:28,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:51:28,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:51:28,613 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_36649125-bf87-4610-a53f-f623fbe6869b/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4763c2b4c908cc214cd1281e5c0202db2011511 [2019-11-26 02:51:28,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:51:28,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:51:28,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:51:28,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:51:28,814 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:51:28,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2019-11-26 02:51:28,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/data/bf704d821/cbaaa985c6424e97a5a575ce533681e6/FLAG66475475f [2019-11-26 02:51:29,355 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:51:29,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2019-11-26 02:51:29,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/data/bf704d821/cbaaa985c6424e97a5a575ce533681e6/FLAG66475475f [2019-11-26 02:51:29,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/data/bf704d821/cbaaa985c6424e97a5a575ce533681e6 [2019-11-26 02:51:29,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:51:29,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:51:29,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:29,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:51:29,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:51:29,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:29" (1/1) ... [2019-11-26 02:51:29,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f046b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:29, skipping insertion in model container [2019-11-26 02:51:29,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:29" (1/1) ... [2019-11-26 02:51:29,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:51:29,980 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:51:30,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:30,680 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:51:30,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:30,845 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:51:30,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30 WrapperNode [2019-11-26 02:51:30,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:30,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:30,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:51:30,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:51:30,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:30,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:30,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:30,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:51:30,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:51:30,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:51:30,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:30,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:30,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:30,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:31,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:31,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:31,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... [2019-11-26 02:51:31,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:51:31,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:51:31,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:51:31,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:51:31,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/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 02:51:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:51:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:51:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:51:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:51:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:51:33,961 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:51:33,962 INFO L284 CfgBuilder]: Removed 155 assume(true) statements. [2019-11-26 02:51:33,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:33 BoogieIcfgContainer [2019-11-26 02:51:33,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:51:33,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:51:33,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:51:33,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:51:33,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:51:29" (1/3) ... [2019-11-26 02:51:33,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2befe84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:51:33, skipping insertion in model container [2019-11-26 02:51:33,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:30" (2/3) ... [2019-11-26 02:51:33,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2befe84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:51:33, skipping insertion in model container [2019-11-26 02:51:33,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:33" (3/3) ... [2019-11-26 02:51:33,974 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2019-11-26 02:51:33,985 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:51:33,992 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:51:34,001 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:51:34,022 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:51:34,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:51:34,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:51:34,023 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:51:34,023 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:51:34,023 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:51:34,024 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:51:34,024 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:51:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-26 02:51:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:51:34,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:34,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:51:34,047 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:34,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:34,053 INFO L82 PathProgramCache]: Analyzing trace with hash 995919118, now seen corresponding path program 1 times [2019-11-26 02:51:34,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:34,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956234359] [2019-11-26 02:51:34,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:34,379 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 02:51:34,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956234359] [2019-11-26 02:51:34,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:34,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:51:34,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230082375] [2019-11-26 02:51:34,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:51:34,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:34,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:51:34,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:51:34,399 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-26 02:51:34,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:34,419 INFO L93 Difference]: Finished difference Result 58 states and 91 transitions. [2019-11-26 02:51:34,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:51:34,420 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:51:34,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:34,430 INFO L225 Difference]: With dead ends: 58 [2019-11-26 02:51:34,430 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:51:34,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:51:34,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:51:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:51:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:51:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:51:34,467 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:51:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:34,467 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:51:34,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:51:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:51:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:51:34,468 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:34,469 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:51:34,469 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:34,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:34,469 INFO L82 PathProgramCache]: Analyzing trace with hash 578816947, now seen corresponding path program 1 times [2019-11-26 02:51:34,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:34,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497035410] [2019-11-26 02:51:34,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:34,647 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 02:51:34,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497035410] [2019-11-26 02:51:34,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:34,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:51:34,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492430973] [2019-11-26 02:51:34,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:51:34,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:34,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:51:34,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:51:34,649 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:51:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:34,662 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:51:34,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:51:34,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:51:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:34,664 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:51:34,664 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:51:34,665 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 02:51:34,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:51:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:51:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:51:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:51:34,672 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:51:34,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:34,672 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:51:34,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:51:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:51:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:51:34,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:34,673 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:51:34,674 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:34,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:34,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1830693956, now seen corresponding path program 1 times [2019-11-26 02:51:34,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:34,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984828830] [2019-11-26 02:51:34,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:34,766 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 02:51:34,767 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984828830] [2019-11-26 02:51:34,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:34,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:51:34,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135496101] [2019-11-26 02:51:34,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:51:34,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:34,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:51:34,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:51:34,769 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-26 02:51:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:34,783 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:51:34,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:51:34,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:51:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:34,785 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:51:34,785 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:51:34,785 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 02:51:34,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:51:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:51:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:51:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:51:34,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:51:34,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:34,787 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:51:34,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:51:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:51:34,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:51:34,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:51:34,838 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2349) no Hoare annotation was computed. [2019-11-26 02:51:34,838 INFO L444 ceAbstractionStarter]: For program point L1919(lines 1919 1923) no Hoare annotation was computed. [2019-11-26 02:51:34,838 INFO L444 ceAbstractionStarter]: For program point L1886(lines 1886 1890) no Hoare annotation was computed. [2019-11-26 02:51:34,838 INFO L447 ceAbstractionStarter]: At program point L1820(lines 1810 1947) the Hoare annotation is: true [2019-11-26 02:51:34,838 INFO L444 ceAbstractionStarter]: For program point L2349-1(line 2349) no Hoare annotation was computed. [2019-11-26 02:51:34,838 INFO L444 ceAbstractionStarter]: For program point L2349(line 2349) no Hoare annotation was computed. [2019-11-26 02:51:34,839 INFO L440 ceAbstractionStarter]: At program point L2350(lines 2326 2343) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~13) [2019-11-26 02:51:34,839 INFO L447 ceAbstractionStarter]: At program point L2350-1(lines 2326 2343) the Hoare annotation is: true [2019-11-26 02:51:34,839 INFO L447 ceAbstractionStarter]: At program point L1856(lines 1846 1944) the Hoare annotation is: true [2019-11-26 02:51:34,839 INFO L447 ceAbstractionStarter]: At program point L1825(lines 1825 1832) the Hoare annotation is: true [2019-11-26 02:51:34,839 INFO L447 ceAbstractionStarter]: At program point L1925(lines 1915 1938) the Hoare annotation is: true [2019-11-26 02:51:34,839 INFO L447 ceAbstractionStarter]: At program point L1892(lines 1882 1941) the Hoare annotation is: true [2019-11-26 02:51:34,840 INFO L444 ceAbstractionStarter]: For program point L1861(lines 1861 1865) no Hoare annotation was computed. [2019-11-26 02:51:34,840 INFO L447 ceAbstractionStarter]: At program point L1630(lines 1630 1636) the Hoare annotation is: true [2019-11-26 02:51:34,840 INFO L447 ceAbstractionStarter]: At program point L1630-1(lines 1622 1639) the Hoare annotation is: true [2019-11-26 02:51:34,840 INFO L447 ceAbstractionStarter]: At program point L1630-2(lines 1630 1636) the Hoare annotation is: true [2019-11-26 02:51:34,840 INFO L447 ceAbstractionStarter]: At program point L1630-3(lines 1622 1639) the Hoare annotation is: true [2019-11-26 02:51:34,840 INFO L444 ceAbstractionStarter]: For program point L1930(lines 1930 1934) no Hoare annotation was computed. [2019-11-26 02:51:34,840 INFO L444 ceAbstractionStarter]: For program point L1897(lines 1897 1901) no Hoare annotation was computed. [2019-11-26 02:51:34,840 INFO L447 ceAbstractionStarter]: At program point L1930-1(lines 1802 1948) the Hoare annotation is: true [2019-11-26 02:51:34,841 INFO L447 ceAbstractionStarter]: At program point L1867(lines 1857 1943) the Hoare annotation is: true [2019-11-26 02:51:34,841 INFO L447 ceAbstractionStarter]: At program point L1834(lines 1821 1946) the Hoare annotation is: true [2019-11-26 02:51:34,841 INFO L447 ceAbstractionStarter]: At program point L2463-1(lines 2463 2470) the Hoare annotation is: true [2019-11-26 02:51:34,841 INFO L447 ceAbstractionStarter]: At program point L2463(lines 2463 2470) the Hoare annotation is: true [2019-11-26 02:51:34,841 INFO L444 ceAbstractionStarter]: For program point L1803(lines 1802 1948) no Hoare annotation was computed. [2019-11-26 02:51:34,841 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:51:34,841 INFO L447 ceAbstractionStarter]: At program point L1903(lines 1893 1940) the Hoare annotation is: true [2019-11-26 02:51:34,842 INFO L444 ceAbstractionStarter]: For program point L2334(lines 2334 2340) no Hoare annotation was computed. [2019-11-26 02:51:34,842 INFO L444 ceAbstractionStarter]: For program point L2334-2(lines 2334 2340) no Hoare annotation was computed. [2019-11-26 02:51:34,842 INFO L447 ceAbstractionStarter]: At program point L1872(lines 1872 1879) the Hoare annotation is: true [2019-11-26 02:51:34,842 INFO L444 ceAbstractionStarter]: For program point L1839(lines 1839 1843) no Hoare annotation was computed. [2019-11-26 02:51:34,842 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:51:34,842 INFO L444 ceAbstractionStarter]: For program point L1908(lines 1908 1912) no Hoare annotation was computed. [2019-11-26 02:51:34,842 INFO L444 ceAbstractionStarter]: For program point L1810(lines 1810 1947) no Hoare annotation was computed. [2019-11-26 02:51:34,843 INFO L447 ceAbstractionStarter]: At program point L1845(lines 1835 1945) the Hoare annotation is: true [2019-11-26 02:51:34,843 INFO L447 ceAbstractionStarter]: At program point L2407(lines 2407 2415) the Hoare annotation is: true [2019-11-26 02:51:34,843 INFO L444 ceAbstractionStarter]: For program point L1814(lines 1814 1818) no Hoare annotation was computed. [2019-11-26 02:51:34,843 INFO L447 ceAbstractionStarter]: At program point L1914(lines 1904 1939) the Hoare annotation is: true [2019-11-26 02:51:34,843 INFO L447 ceAbstractionStarter]: At program point L1881(lines 1868 1942) the Hoare annotation is: true [2019-11-26 02:51:34,843 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2349) no Hoare annotation was computed. [2019-11-26 02:51:34,843 INFO L447 ceAbstractionStarter]: At program point L1949(lines 1801 1950) the Hoare annotation is: true [2019-11-26 02:51:34,844 INFO L444 ceAbstractionStarter]: For program point L1850(lines 1850 1854) no Hoare annotation was computed. [2019-11-26 02:51:34,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:51:34 BoogieIcfgContainer [2019-11-26 02:51:34,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:51:34,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:51:34,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:51:34,858 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:51:34,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:33" (3/4) ... [2019-11-26 02:51:34,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:51:34,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 174 nodes and edges [2019-11-26 02:51:34,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2019-11-26 02:51:34,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:51:34,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:51:34,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:34,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:35,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_36649125-bf87-4610-a53f-f623fbe6869b/bin/utaipan/witness.graphml [2019-11-26 02:51:35,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:51:35,064 INFO L168 Benchmark]: Toolchain (without parser) took 5175.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 940.7 MB in the beginning and 913.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,064 INFO L168 Benchmark]: CDTParser took 0.22 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 02:51:35,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,066 INFO L168 Benchmark]: Boogie Preprocessor took 95.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,066 INFO L168 Benchmark]: RCFGBuilder took 2919.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 122.0 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,066 INFO L168 Benchmark]: TraceAbstraction took 893.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 940.8 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,067 INFO L168 Benchmark]: Witness Printer took 203.69 ms. Allocated memory is still 1.2 GB. Free memory was 940.8 MB in the beginning and 913.2 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:35,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 957.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2919.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 122.0 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 893.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 940.8 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * Witness Printer took 203.69 ms. Allocated memory is still 1.2 GB. Free memory was 940.8 MB in the beginning and 913.2 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2326]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1915]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 2 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 187 SDtfs, 4 SDslu, 111 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 37 NumberOfFragments, 26 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...