./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product36.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_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/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 4137c2c028a165c0c909573a8e09d7a173ab4e13 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:48:07,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:48:07,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:48:07,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:48:07,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:48:07,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:48:07,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:48:07,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:48:07,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:48:07,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:48:07,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:48:07,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:48:07,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:48:07,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:48:07,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:48:07,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:48:07,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:48:07,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:48:07,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:48:07,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:48:07,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:48:07,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:48:07,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:48:07,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:48:07,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:48:07,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:48:07,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:48:07,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:48:07,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:48:07,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:48:07,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:48:07,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:48:07,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:48:07,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:48:07,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:48:07,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:48:07,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:48:07,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:48:07,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:48:07,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:48:07,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:48:07,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:48:07,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:48:07,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:48:07,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:48:07,766 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:48:07,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:48:07,766 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:48:07,767 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:48:07,767 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:48:07,767 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:48:07,767 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:48:07,767 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:48:07,768 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:48:07,768 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:48:07,768 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:48:07,768 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:48:07,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:48:07,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:48:07,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:48:07,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:48:07,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:48:07,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:48:07,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:48:07,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:48:07,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:48:07,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:48:07,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:48:07,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:48:07,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:48:07,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:48:07,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:48:07,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:48:07,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:48:07,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:48:07,774 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:48:07,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:48:07,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:48:07,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:48:07,775 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_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/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 -> 4137c2c028a165c0c909573a8e09d7a173ab4e13 [2019-11-26 02:48:07,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:48:07,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:48:07,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:48:07,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:48:07,942 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:48:07,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2019-11-26 02:48:07,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/data/ffab143f0/a2afa77af953450ab78546ed6500384e/FLAG7abc0e6dc [2019-11-26 02:48:08,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:48:08,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2019-11-26 02:48:08,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/data/ffab143f0/a2afa77af953450ab78546ed6500384e/FLAG7abc0e6dc [2019-11-26 02:48:08,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/data/ffab143f0/a2afa77af953450ab78546ed6500384e [2019-11-26 02:48:08,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:48:08,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:48:08,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:08,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:48:08,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:48:08,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:08" (1/1) ... [2019-11-26 02:48:08,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657b7e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:08, skipping insertion in model container [2019-11-26 02:48:08,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:08" (1/1) ... [2019-11-26 02:48:08,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:48:08,885 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:48:09,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:09,480 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:48:09,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:09,637 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:48:09,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09 WrapperNode [2019-11-26 02:48:09,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:09,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:09,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:48:09,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:48:09,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:09,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:48:09,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:48:09,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:48:09,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... [2019-11-26 02:48:09,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:48:09,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:48:09,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:48:09,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:48:09,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/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 02:48:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:48:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:48:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:48:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:48:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:48:16,841 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:48:16,842 INFO L284 CfgBuilder]: Removed 405 assume(true) statements. [2019-11-26 02:48:16,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:16 BoogieIcfgContainer [2019-11-26 02:48:16,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:48:16,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:48:16,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:48:16,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:48:16,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:48:08" (1/3) ... [2019-11-26 02:48:16,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a38e7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:48:16, skipping insertion in model container [2019-11-26 02:48:16,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:09" (2/3) ... [2019-11-26 02:48:16,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a38e7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:48:16, skipping insertion in model container [2019-11-26 02:48:16,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:16" (3/3) ... [2019-11-26 02:48:16,851 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2019-11-26 02:48:16,859 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:48:16,865 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:48:16,874 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:48:16,894 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:48:16,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:48:16,895 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:48:16,895 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:48:16,895 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:48:16,895 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:48:16,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:48:16,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:48:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-26 02:48:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:48:16,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:48:16,916 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:48:16,917 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:48:16,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:16,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1206670151, now seen corresponding path program 1 times [2019-11-26 02:48:16,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:48:16,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342783112] [2019-11-26 02:48:16,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:48:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:17,203 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 02:48:17,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342783112] [2019-11-26 02:48:17,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:48:17,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:48:17,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433016458] [2019-11-26 02:48:17,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:48:17,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:48:17,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:48:17,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:48:17,224 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-26 02:48:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:48:17,244 INFO L93 Difference]: Finished difference Result 112 states and 165 transitions. [2019-11-26 02:48:17,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:48:17,245 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:48:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:48:17,255 INFO L225 Difference]: With dead ends: 112 [2019-11-26 02:48:17,256 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:48:17,259 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 02:48:17,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:48:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:48:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:48:17,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:48:17,294 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 8 [2019-11-26 02:48:17,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:48:17,294 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:48:17,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:48:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:48:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:48:17,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:48:17,295 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:48:17,296 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:48:17,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:17,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1283814768, now seen corresponding path program 1 times [2019-11-26 02:48:17,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:48:17,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308330225] [2019-11-26 02:48:17,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:48:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:17,433 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 02:48:17,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308330225] [2019-11-26 02:48:17,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:48:17,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:48:17,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69464541] [2019-11-26 02:48:17,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:48:17,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:48:17,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:48:17,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:48:17,436 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:48:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:48:17,460 INFO L93 Difference]: Finished difference Result 102 states and 134 transitions. [2019-11-26 02:48:17,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:48:17,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:48:17,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:48:17,465 INFO L225 Difference]: With dead ends: 102 [2019-11-26 02:48:17,465 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:48:17,467 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 02:48:17,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:48:17,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:48:17,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:48:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2019-11-26 02:48:17,488 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 9 [2019-11-26 02:48:17,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:48:17,488 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2019-11-26 02:48:17,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:48:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2019-11-26 02:48:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:48:17,490 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:48:17,490 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:48:17,491 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:48:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:17,492 INFO L82 PathProgramCache]: Analyzing trace with hash -897278642, now seen corresponding path program 1 times [2019-11-26 02:48:17,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:48:17,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334149119] [2019-11-26 02:48:17,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:48:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:17,605 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 02:48:17,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334149119] [2019-11-26 02:48:17,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:48:17,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:48:17,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295177192] [2019-11-26 02:48:17,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:48:17,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:48:17,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:48:17,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:48:17,607 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand 3 states. [2019-11-26 02:48:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:48:17,675 INFO L93 Difference]: Finished difference Result 76 states and 106 transitions. [2019-11-26 02:48:17,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:48:17,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:48:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:48:17,677 INFO L225 Difference]: With dead ends: 76 [2019-11-26 02:48:17,677 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:48:17,678 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 02:48:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:48:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:48:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:48:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:48:17,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:48:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:48:17,679 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:48:17,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:48:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:48:17,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:48:17,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:48:17,836 INFO L447 ceAbstractionStarter]: At program point L1164(lines 1154 1216) the Hoare annotation is: true [2019-11-26 02:48:17,836 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,836 INFO L447 ceAbstractionStarter]: At program point L1169(lines 1169 1176) the Hoare annotation is: true [2019-11-26 02:48:17,837 INFO L447 ceAbstractionStarter]: At program point L1178(lines 1165 1215) the Hoare annotation is: true [2019-11-26 02:48:17,837 INFO L444 ceAbstractionStarter]: For program point L1183(lines 1183 1187) no Hoare annotation was computed. [2019-11-26 02:48:17,837 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,837 INFO L447 ceAbstractionStarter]: At program point L1189(lines 1179 1214) the Hoare annotation is: true [2019-11-26 02:48:17,837 INFO L444 ceAbstractionStarter]: For program point L1194(lines 1194 1198) no Hoare annotation was computed. [2019-11-26 02:48:17,837 INFO L447 ceAbstractionStarter]: At program point L2384(lines 2384 2403) the Hoare annotation is: true [2019-11-26 02:48:17,837 INFO L447 ceAbstractionStarter]: At program point L2384-1(lines 2384 2403) the Hoare annotation is: true [2019-11-26 02:48:17,837 INFO L447 ceAbstractionStarter]: At program point L934(lines 934 942) the Hoare annotation is: true [2019-11-26 02:48:17,838 INFO L447 ceAbstractionStarter]: At program point L1200(lines 1190 1213) the Hoare annotation is: true [2019-11-26 02:48:17,838 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,838 INFO L444 ceAbstractionStarter]: For program point L1205(lines 1205 1209) no Hoare annotation was computed. [2019-11-26 02:48:17,838 INFO L447 ceAbstractionStarter]: At program point L1205-1(lines 1074 1223) the Hoare annotation is: true [2019-11-26 02:48:17,838 INFO L444 ceAbstractionStarter]: For program point L1075(lines 1074 1223) no Hoare annotation was computed. [2019-11-26 02:48:17,838 INFO L444 ceAbstractionStarter]: For program point L1082(lines 1082 1222) no Hoare annotation was computed. [2019-11-26 02:48:17,838 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1090) no Hoare annotation was computed. [2019-11-26 02:48:17,838 INFO L447 ceAbstractionStarter]: At program point L1224(lines 1073 1225) the Hoare annotation is: true [2019-11-26 02:48:17,839 INFO L447 ceAbstractionStarter]: At program point L1092(lines 1082 1222) the Hoare annotation is: true [2019-11-26 02:48:17,839 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,839 INFO L447 ceAbstractionStarter]: At program point L1097(lines 1097 1104) the Hoare annotation is: true [2019-11-26 02:48:17,839 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,839 INFO L444 ceAbstractionStarter]: For program point L1237(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,839 INFO L444 ceAbstractionStarter]: For program point L1237-1(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,839 INFO L444 ceAbstractionStarter]: For program point L1237-2(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,839 INFO L444 ceAbstractionStarter]: For program point L1237-3(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,840 INFO L444 ceAbstractionStarter]: For program point L1237-4(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,840 INFO L444 ceAbstractionStarter]: For program point L1237-5(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,840 INFO L440 ceAbstractionStarter]: At program point L1238(lines 2573 2590) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:48:17,840 INFO L440 ceAbstractionStarter]: At program point L1238-1(lines 2573 2590) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:48:17,840 INFO L440 ceAbstractionStarter]: At program point L1238-2(lines 2573 2590) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:48:17,840 INFO L440 ceAbstractionStarter]: At program point L1238-3(lines 2573 2590) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:48:17,840 INFO L447 ceAbstractionStarter]: At program point L1106(lines 1093 1221) the Hoare annotation is: true [2019-11-26 02:48:17,840 INFO L447 ceAbstractionStarter]: At program point L1238-4(lines 2573 2590) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L1238-5(lines 2573 2590) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L444 ceAbstractionStarter]: For program point L1111(lines 1111 1115) no Hoare annotation was computed. [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435-1(lines 2427 2444) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435(lines 2435 2441) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435-3(lines 2427 2444) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435-2(lines 2435 2441) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435-5(lines 2427 2444) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435-4(lines 2435 2441) the Hoare annotation is: true [2019-11-26 02:48:17,841 INFO L447 ceAbstractionStarter]: At program point L2435-7(lines 2427 2444) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L447 ceAbstractionStarter]: At program point L2435-6(lines 2435 2441) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L447 ceAbstractionStarter]: At program point L2435-9(lines 2427 2444) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L447 ceAbstractionStarter]: At program point L2435-8(lines 2435 2441) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L447 ceAbstractionStarter]: At program point L2435-11(lines 2427 2444) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L447 ceAbstractionStarter]: At program point L2435-10(lines 2435 2441) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:48:17,842 INFO L447 ceAbstractionStarter]: At program point L1117(lines 1107 1220) the Hoare annotation is: true [2019-11-26 02:48:17,842 INFO L444 ceAbstractionStarter]: For program point L1122(lines 1122 1126) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L447 ceAbstractionStarter]: At program point L990(lines 990 997) the Hoare annotation is: true [2019-11-26 02:48:17,843 INFO L447 ceAbstractionStarter]: At program point L990-1(lines 990 997) the Hoare annotation is: true [2019-11-26 02:48:17,843 INFO L444 ceAbstractionStarter]: For program point L2581(lines 2581 2587) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L444 ceAbstractionStarter]: For program point L2581-2(lines 2581 2587) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L444 ceAbstractionStarter]: For program point L2581-4(lines 2581 2587) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L444 ceAbstractionStarter]: For program point L2581-6(lines 2581 2587) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L444 ceAbstractionStarter]: For program point L2581-8(lines 2581 2587) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L444 ceAbstractionStarter]: For program point L2581-10(lines 2581 2587) no Hoare annotation was computed. [2019-11-26 02:48:17,843 INFO L447 ceAbstractionStarter]: At program point L1128(lines 1118 1219) the Hoare annotation is: true [2019-11-26 02:48:17,844 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1237) no Hoare annotation was computed. [2019-11-26 02:48:17,844 INFO L444 ceAbstractionStarter]: For program point L1133(lines 1133 1137) no Hoare annotation was computed. [2019-11-26 02:48:17,844 INFO L447 ceAbstractionStarter]: At program point L2455-5(lines 2481 2493) the Hoare annotation is: true [2019-11-26 02:48:17,844 INFO L447 ceAbstractionStarter]: At program point L1139(lines 1129 1218) the Hoare annotation is: true [2019-11-26 02:48:17,844 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:48:17,844 INFO L447 ceAbstractionStarter]: At program point L1144(lines 1144 1151) the Hoare annotation is: true [2019-11-26 02:48:17,844 INFO L447 ceAbstractionStarter]: At program point L1153(lines 1140 1217) the Hoare annotation is: true [2019-11-26 02:48:17,844 INFO L444 ceAbstractionStarter]: For program point L1158(lines 1158 1162) no Hoare annotation was computed. [2019-11-26 02:48:17,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:48:17 BoogieIcfgContainer [2019-11-26 02:48:17,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:48:17,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:48:17,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:48:17,857 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:48:17,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:16" (3/4) ... [2019-11-26 02:48:17,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:48:17,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 529 nodes and edges [2019-11-26 02:48:17,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 171 nodes and edges [2019-11-26 02:48:17,920 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2019-11-26 02:48:17,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:48:17,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:48:17,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:48:18,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2e4dcb4b-81f0-4617-b2e0-69b02f01bd6c/bin/utaipan/witness.graphml [2019-11-26 02:48:18,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:48:18,188 INFO L168 Benchmark]: Toolchain (without parser) took 9388.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.7 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -287.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,189 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:48:18,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,190 INFO L168 Benchmark]: Boogie Preprocessor took 112.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,190 INFO L168 Benchmark]: RCFGBuilder took 6962.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.5 MB). Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 164.0 MB). Peak memory consumption was 278.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,191 INFO L168 Benchmark]: TraceAbstraction took 1012.04 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 78.1 MB). Free memory was 976.9 MB in the beginning and 1.3 GB in the end (delta: -310.5 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,191 INFO L168 Benchmark]: Witness Printer took 329.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:18,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 838.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6962.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.5 MB). Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 164.0 MB). Peak memory consumption was 278.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1012.04 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 78.1 MB). Free memory was 976.9 MB in the beginning and 1.3 GB in the end (delta: -310.5 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * Witness Printer took 329.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1237]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1237]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1237]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1237]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1237]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1237]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 2435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1097]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2573]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1074]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2573]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1093]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1082]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2573]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2573]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1073]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2481]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1165]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 6 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 278 SDtfs, 18 SDslu, 151 SDs, 0 SdLazy, 7 SolverSat, 10 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=69occurred 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, 40 LocationsWithAnnotation, 40 PreInvPairs, 76 NumberOfFragments, 48 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 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...