./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product24.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_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/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 3cef55b0b7475c962ccb8a0531a11e67e1f04f41 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:53:25,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:53:25,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:53:25,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:53:25,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:53:25,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:53:25,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:53:25,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:53:25,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:53:25,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:53:25,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:53:25,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:53:25,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:53:25,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:53:25,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:53:25,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:53:25,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:53:25,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:53:25,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:53:25,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:53:25,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:53:25,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:53:25,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:53:25,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:53:25,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:53:25,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:53:25,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:53:25,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:53:25,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:53:25,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:53:25,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:53:25,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:53:25,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:53:25,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:53:25,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:53:25,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:53:25,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:53:25,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:53:25,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:53:25,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:53:25,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:53:25,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:53:25,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:53:25,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:53:25,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:53:25,814 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:53:25,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:53:25,814 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:53:25,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:53:25,814 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:53:25,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:53:25,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:53:25,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:53:25,815 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:53:25,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:53:25,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:53:25,816 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:53:25,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:53:25,816 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:53:25,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:53:25,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:53:25,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:53:25,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:53:25,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:53:25,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:53:25,818 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:53:25,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:53:25,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:53:25,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:53:25,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:53:25,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:53:25,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:25,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:53:25,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:53:25,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:53:25,820 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:53:25,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:53:25,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:53:25,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:53:25,820 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_0c048385-ee1d-45c2-a3e7-0660e4b6d615/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 -> 3cef55b0b7475c962ccb8a0531a11e67e1f04f41 [2019-11-26 02:53:25,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:53:25,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:53:25,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:53:25,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:53:25,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:53:25,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product24.cil.c [2019-11-26 02:53:26,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/data/42b63a987/6079dfcf1fb94bdb839d859e6359e4aa/FLAGed0492cf6 [2019-11-26 02:53:26,606 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:53:26,607 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/sv-benchmarks/c/product-lines/email_spec11_product24.cil.c [2019-11-26 02:53:26,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/data/42b63a987/6079dfcf1fb94bdb839d859e6359e4aa/FLAGed0492cf6 [2019-11-26 02:53:27,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/data/42b63a987/6079dfcf1fb94bdb839d859e6359e4aa [2019-11-26 02:53:27,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:53:27,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:53:27,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:27,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:53:27,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:53:27,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:27,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4b141d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27, skipping insertion in model container [2019-11-26 02:53:27,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:27,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:53:27,130 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:53:27,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:27,789 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:53:27,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:27,973 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:53:27,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27 WrapperNode [2019-11-26 02:53:27,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:27,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:27,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:53:27,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:53:27,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:28,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:53:28,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:53:28,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:53:28,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... [2019-11-26 02:53:28,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:53:28,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:53:28,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:53:28,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:53:28,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/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 02:53:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:53:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:53:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:53:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:53:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:35,432 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:35,432 INFO L284 CfgBuilder]: Removed 323 assume(true) statements. [2019-11-26 02:53:35,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:35 BoogieIcfgContainer [2019-11-26 02:53:35,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:35,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:35,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:35,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:35,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:53:27" (1/3) ... [2019-11-26 02:53:35,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e16874e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:35, skipping insertion in model container [2019-11-26 02:53:35,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:27" (2/3) ... [2019-11-26 02:53:35,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e16874e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:35, skipping insertion in model container [2019-11-26 02:53:35,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:35" (3/3) ... [2019-11-26 02:53:35,444 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product24.cil.c [2019-11-26 02:53:35,453 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:35,459 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:53:35,469 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:53:35,492 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:35,492 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:35,492 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:35,492 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:35,493 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:35,493 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:35,493 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:35,493 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-26 02:53:35,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:53:35,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:35,513 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:35,514 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:35,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:35,519 INFO L82 PathProgramCache]: Analyzing trace with hash -242496768, now seen corresponding path program 1 times [2019-11-26 02:53:35,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:35,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252352142] [2019-11-26 02:53:35,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:35,801 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 02:53:35,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252352142] [2019-11-26 02:53:35,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:35,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:53:35,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923187133] [2019-11-26 02:53:35,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:53:35,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:35,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:53:35,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:35,828 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-26 02:53:35,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:35,850 INFO L93 Difference]: Finished difference Result 58 states and 91 transitions. [2019-11-26 02:53:35,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:53:35,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:53:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:35,865 INFO L225 Difference]: With dead ends: 58 [2019-11-26 02:53:35,865 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:53:35,869 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 02:53:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:53:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:53:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:53:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:53:35,902 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:53:35,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:35,903 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:53:35,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:53:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:53:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:53:35,904 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:35,904 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:35,904 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:35,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:35,905 INFO L82 PathProgramCache]: Analyzing trace with hash -733603277, now seen corresponding path program 1 times [2019-11-26 02:53:35,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:35,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118594179] [2019-11-26 02:53:35,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:36,086 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 02:53:36,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118594179] [2019-11-26 02:53:36,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:36,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:36,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036166440] [2019-11-26 02:53:36,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:36,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:36,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:36,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:36,089 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:53:36,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:36,109 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:53:36,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:36,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:53:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:36,111 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:53:36,111 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:53:36,113 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 02:53:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:53:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:53:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:53:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:53:36,126 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:53:36,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:36,126 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:53:36,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:53:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:53:36,130 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:36,130 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:36,131 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:36,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:36,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1854264466, now seen corresponding path program 1 times [2019-11-26 02:53:36,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:36,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030475660] [2019-11-26 02:53:36,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:36,315 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 02:53:36,315 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030475660] [2019-11-26 02:53:36,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:36,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:36,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315712209] [2019-11-26 02:53:36,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:36,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:36,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:36,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:36,317 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-26 02:53:36,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:36,332 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:53:36,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:36,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:53:36,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:36,334 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:53:36,334 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:53:36,335 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 02:53:36,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:53:36,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:53:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:53:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:53:36,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:53:36,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:36,336 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:53:36,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:53:36,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:53:36,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:53:36,474 INFO L447 ceAbstractionStarter]: At program point L2482(lines 2469 2600) the Hoare annotation is: true [2019-11-26 02:53:36,475 INFO L447 ceAbstractionStarter]: At program point L2487(lines 2487 2494) the Hoare annotation is: true [2019-11-26 02:53:36,475 INFO L447 ceAbstractionStarter]: At program point L2496(lines 2483 2599) the Hoare annotation is: true [2019-11-26 02:53:36,475 INFO L447 ceAbstractionStarter]: At program point L2501(lines 2501 2508) the Hoare annotation is: true [2019-11-26 02:53:36,475 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 736) no Hoare annotation was computed. [2019-11-26 02:53:36,475 INFO L447 ceAbstractionStarter]: At program point L2510(lines 2497 2598) the Hoare annotation is: true [2019-11-26 02:53:36,475 INFO L447 ceAbstractionStarter]: At program point L2515(lines 2515 2522) the Hoare annotation is: true [2019-11-26 02:53:36,475 INFO L444 ceAbstractionStarter]: For program point L2383(lines 2383 2389) no Hoare annotation was computed. [2019-11-26 02:53:36,476 INFO L444 ceAbstractionStarter]: For program point L2383-2(lines 2383 2389) no Hoare annotation was computed. [2019-11-26 02:53:36,476 INFO L447 ceAbstractionStarter]: At program point L2524(lines 2511 2597) the Hoare annotation is: true [2019-11-26 02:53:36,476 INFO L447 ceAbstractionStarter]: At program point L2529(lines 2529 2536) the Hoare annotation is: true [2019-11-26 02:53:36,476 INFO L447 ceAbstractionStarter]: At program point L2538(lines 2525 2596) the Hoare annotation is: true [2019-11-26 02:53:36,476 INFO L444 ceAbstractionStarter]: For program point L2543(lines 2543 2547) no Hoare annotation was computed. [2019-11-26 02:53:36,476 INFO L447 ceAbstractionStarter]: At program point L166(lines 166 174) the Hoare annotation is: true [2019-11-26 02:53:36,476 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 736) no Hoare annotation was computed. [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2549(lines 2539 2595) the Hoare annotation is: true [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2554(lines 2554 2561) the Hoare annotation is: true [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2689-1(lines 2681 2698) the Hoare annotation is: true [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2689(lines 2689 2695) the Hoare annotation is: true [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2689-3(lines 2681 2698) the Hoare annotation is: true [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2689-2(lines 2689 2695) the Hoare annotation is: true [2019-11-26 02:53:36,477 INFO L447 ceAbstractionStarter]: At program point L2563(lines 2550 2594) the Hoare annotation is: true [2019-11-26 02:53:36,478 INFO L444 ceAbstractionStarter]: For program point L2434(lines 2433 2603) no Hoare annotation was computed. [2019-11-26 02:53:36,478 INFO L447 ceAbstractionStarter]: At program point L2568(lines 2568 2575) the Hoare annotation is: true [2019-11-26 02:53:36,478 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:53:36,478 INFO L444 ceAbstractionStarter]: For program point L2441(lines 2441 2602) no Hoare annotation was computed. [2019-11-26 02:53:36,478 INFO L447 ceAbstractionStarter]: At program point L2577(lines 2564 2593) the Hoare annotation is: true [2019-11-26 02:53:36,478 INFO L447 ceAbstractionStarter]: At program point L2445(lines 2445 2452) the Hoare annotation is: true [2019-11-26 02:53:36,478 INFO L447 ceAbstractionStarter]: At program point L2582(lines 2582 2589) the Hoare annotation is: true [2019-11-26 02:53:36,478 INFO L447 ceAbstractionStarter]: At program point L2582-1(lines 2433 2603) the Hoare annotation is: true [2019-11-26 02:53:36,479 INFO L444 ceAbstractionStarter]: For program point L736(line 736) no Hoare annotation was computed. [2019-11-26 02:53:36,479 INFO L444 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-11-26 02:53:36,479 INFO L447 ceAbstractionStarter]: At program point L2454(lines 2441 2602) the Hoare annotation is: true [2019-11-26 02:53:36,479 INFO L440 ceAbstractionStarter]: At program point L737(lines 2375 2392) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~11) [2019-11-26 02:53:36,479 INFO L447 ceAbstractionStarter]: At program point L737-1(lines 2375 2392) the Hoare annotation is: true [2019-11-26 02:53:36,479 INFO L447 ceAbstractionStarter]: At program point L2459(lines 2459 2466) the Hoare annotation is: true [2019-11-26 02:53:36,479 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:53:36,479 INFO L447 ceAbstractionStarter]: At program point L2468(lines 2455 2601) the Hoare annotation is: true [2019-11-26 02:53:36,480 INFO L447 ceAbstractionStarter]: At program point L222(lines 222 229) the Hoare annotation is: true [2019-11-26 02:53:36,480 INFO L447 ceAbstractionStarter]: At program point L222-1(lines 222 229) the Hoare annotation is: true [2019-11-26 02:53:36,480 INFO L447 ceAbstractionStarter]: At program point L2604(lines 2432 2605) the Hoare annotation is: true [2019-11-26 02:53:36,480 INFO L447 ceAbstractionStarter]: At program point L2473(lines 2473 2480) the Hoare annotation is: true [2019-11-26 02:53:36,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:36 BoogieIcfgContainer [2019-11-26 02:53:36,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:36,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:36,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:36,496 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:36,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:35" (3/4) ... [2019-11-26 02:53:36,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:53:36,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 530 nodes and edges [2019-11-26 02:53:36,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 135 nodes and edges [2019-11-26 02:53:36,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-26 02:53:36,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:53:36,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:53:36,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:53:36,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0c048385-ee1d-45c2-a3e7-0660e4b6d615/bin/utaipan/witness.graphml [2019-11-26 02:53:36,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:36,811 INFO L168 Benchmark]: Toolchain (without parser) took 9756.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:36,812 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:36,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:36,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.93 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:36,813 INFO L168 Benchmark]: Boogie Preprocessor took 111.32 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 02:53:36,813 INFO L168 Benchmark]: RCFGBuilder took 7222.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 210.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -214.2 MB). Peak memory consumption was 313.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:36,814 INFO L168 Benchmark]: TraceAbstraction took 1061.28 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: 88.4 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:36,814 INFO L168 Benchmark]: Witness Printer took 313.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:36,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 919.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.93 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.32 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 7222.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 210.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -214.2 MB). Peak memory consumption was 313.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1061.28 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: 88.4 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. * Witness Printer took 313.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 736]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 736]: 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: 2550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2459]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2487]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2375]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 2582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2375]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2469]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2511]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 2 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, 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, 32 LocationsWithAnnotation, 32 PreInvPairs, 45 NumberOfFragments, 34 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 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...