./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product09.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_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/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 b2633f6945e310d333da2e2f7802e4cf0f241fa3 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:35:49,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:35:49,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:35:49,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:35:49,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:35:49,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:35:49,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:35:49,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:35:49,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:35:49,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:35:49,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:35:49,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:35:49,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:35:49,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:35:49,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:35:49,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:35:49,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:35:49,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:35:49,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:35:49,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:35:49,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:35:49,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:35:49,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:35:49,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:35:49,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:35:49,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:35:49,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:35:49,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:35:49,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:35:49,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:35:49,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:35:49,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:35:49,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:35:49,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:35:49,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:35:49,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:35:49,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:35:49,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:35:49,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:35:49,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:35:49,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:35:49,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:35:49,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:35:49,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:35:49,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:35:49,978 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:35:49,978 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:35:49,978 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:35:49,979 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:35:49,979 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:35:49,979 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:35:49,979 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:35:49,979 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:35:49,980 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:35:49,980 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:35:49,980 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:35:49,980 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:35:49,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:35:49,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:35:49,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:35:49,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:35:49,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:35:49,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:35:49,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:35:49,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:35:49,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:35:49,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:35:49,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:35:49,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:35:49,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:35:49,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:35:49,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:35:49,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:35:49,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:35:49,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:35:49,994 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:35:49,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:35:49,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:35:49,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:35:49,994 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_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/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 -> b2633f6945e310d333da2e2f7802e4cf0f241fa3 [2019-11-26 02:35:50,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:35:50,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:35:50,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:35:50,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:35:50,144 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:35:50,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2019-11-26 02:35:50,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/data/36d8c5b6b/d5859c256e014be9a44c47a2c400e989/FLAGb9bd60b49 [2019-11-26 02:35:50,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:35:50,726 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2019-11-26 02:35:50,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/data/36d8c5b6b/d5859c256e014be9a44c47a2c400e989/FLAGb9bd60b49 [2019-11-26 02:35:51,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/data/36d8c5b6b/d5859c256e014be9a44c47a2c400e989 [2019-11-26 02:35:51,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:35:51,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:35:51,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:51,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:35:51,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:35:51,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:51,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d9887f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51, skipping insertion in model container [2019-11-26 02:35:51,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:51,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:35:51,103 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:35:51,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:35:51,765 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:35:51,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:35:51,964 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:35:51,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51 WrapperNode [2019-11-26 02:35:51,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:51,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:35:51,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:35:51,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:35:51,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:35:52,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:35:52,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:35:52,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:35:52,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... [2019-11-26 02:35:52,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:35:52,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:35:52,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:35:52,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:35:52,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/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 02:35:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:35:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:35:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:35:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:35:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:35:57,607 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:35:57,607 INFO L284 CfgBuilder]: Removed 329 assume(true) statements. [2019-11-26 02:35:57,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:57 BoogieIcfgContainer [2019-11-26 02:35:57,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:35:57,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:35:57,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:35:57,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:35:57,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:35:51" (1/3) ... [2019-11-26 02:35:57,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc825d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:35:57, skipping insertion in model container [2019-11-26 02:35:57,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:51" (2/3) ... [2019-11-26 02:35:57,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc825d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:35:57, skipping insertion in model container [2019-11-26 02:35:57,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:57" (3/3) ... [2019-11-26 02:35:57,623 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product09.cil.c [2019-11-26 02:35:57,632 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:35:57,638 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:35:57,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:35:57,672 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:35:57,673 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:35:57,673 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:35:57,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:35:57,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:35:57,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:35:57,674 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:35:57,674 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:35:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-26 02:35:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:35:57,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:35:57,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:35:57,700 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 02:35:57,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:57,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1083711925, now seen corresponding path program 1 times [2019-11-26 02:35:57,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:35:57,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101878560] [2019-11-26 02:35:57,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:35:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,063 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 02:35:58,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101878560] [2019-11-26 02:35:58,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:35:58,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:35:58,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120066026] [2019-11-26 02:35:58,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:35:58,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:35:58,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:35:58,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:35:58,081 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-26 02:35:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:35:58,101 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2019-11-26 02:35:58,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:35:58,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:35:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:35:58,113 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:35:58,113 INFO L226 Difference]: Without dead ends: 61 [2019-11-26 02:35:58,116 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 02:35:58,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-26 02:35:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-26 02:35:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-26 02:35:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2019-11-26 02:35:58,155 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 8 [2019-11-26 02:35:58,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:35:58,155 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2019-11-26 02:35:58,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:35:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2019-11-26 02:35:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:35:58,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:35:58,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:35:58,157 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 02:35:58,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:58,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1667004616, now seen corresponding path program 1 times [2019-11-26 02:35:58,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:35:58,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009154393] [2019-11-26 02:35:58,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:35:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,242 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 02:35:58,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009154393] [2019-11-26 02:35:58,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:35:58,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:35:58,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580235547] [2019-11-26 02:35:58,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:35:58,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:35:58,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:35:58,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:35:58,245 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand 3 states. [2019-11-26 02:35:58,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:35:58,261 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2019-11-26 02:35:58,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:35:58,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:35:58,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:35:58,265 INFO L225 Difference]: With dead ends: 98 [2019-11-26 02:35:58,265 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:35:58,266 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 02:35:58,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:35:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:35:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:35:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:35:58,280 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 9 [2019-11-26 02:35:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:35:58,280 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:35:58,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:35:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:35:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:35:58,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:35:58,284 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:35:58,284 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 02:35:58,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:58,285 INFO L82 PathProgramCache]: Analyzing trace with hash -773234505, now seen corresponding path program 1 times [2019-11-26 02:35:58,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:35:58,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465806389] [2019-11-26 02:35:58,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:35:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,423 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 02:35:58,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465806389] [2019-11-26 02:35:58,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:35:58,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:35:58,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919259353] [2019-11-26 02:35:58,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:35:58,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:35:58,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:35:58,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:35:58,426 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 4 states. [2019-11-26 02:35:58,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:35:58,516 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2019-11-26 02:35:58,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:35:58,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-26 02:35:58,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:35:58,517 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:35:58,517 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:35:58,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:35:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:35:58,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:35:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:35:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:35:58,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:35:58,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:35:58,520 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:35:58,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:35:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:35:58,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:35:58,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:35:58,669 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,670 INFO L440 ceAbstractionStarter]: At program point L168(lines 158 220) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,670 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-11-26 02:35:58,670 INFO L440 ceAbstractionStarter]: At program point L173(lines 173 180) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,670 INFO L440 ceAbstractionStarter]: At program point L110(lines 100 225) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,670 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,670 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,670 INFO L444 ceAbstractionStarter]: For program point L115(lines 115 119) no Hoare annotation was computed. [2019-11-26 02:35:58,671 INFO L440 ceAbstractionStarter]: At program point L182(lines 169 219) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,671 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 191) no Hoare annotation was computed. [2019-11-26 02:35:58,671 INFO L440 ceAbstractionStarter]: At program point L121(lines 111 224) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,671 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:35:58,671 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 130) no Hoare annotation was computed. [2019-11-26 02:35:58,671 INFO L440 ceAbstractionStarter]: At program point L193(lines 183 218) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,671 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,671 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L440 ceAbstractionStarter]: At program point L132(lines 122 223) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,672 INFO L444 ceAbstractionStarter]: For program point L2579-1(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L444 ceAbstractionStarter]: For program point L2579(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L444 ceAbstractionStarter]: For program point L2579-3(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L444 ceAbstractionStarter]: For program point L2579-2(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L444 ceAbstractionStarter]: For program point L2579-5(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L444 ceAbstractionStarter]: For program point L2579-4(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,672 INFO L440 ceAbstractionStarter]: At program point L2580(lines 2584 2601) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~15)) (= 1 ULTIMATE.start_main_~tmp~2)) [2019-11-26 02:35:58,673 INFO L440 ceAbstractionStarter]: At program point L2580-2(lines 2584 2601) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~15)) (= 1 ULTIMATE.start_main_~tmp~2)) [2019-11-26 02:35:58,673 INFO L440 ceAbstractionStarter]: At program point L2580-1(lines 2584 2601) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~15)) (= 1 ULTIMATE.start_main_~tmp~2)) [2019-11-26 02:35:58,673 INFO L447 ceAbstractionStarter]: At program point L2580-4(lines 2584 2601) the Hoare annotation is: true [2019-11-26 02:35:58,673 INFO L440 ceAbstractionStarter]: At program point L2580-3(lines 2584 2601) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~15)) (= 1 ULTIMATE.start_main_~tmp~2)) [2019-11-26 02:35:58,673 INFO L447 ceAbstractionStarter]: At program point L2580-5(lines 2584 2601) the Hoare annotation is: true [2019-11-26 02:35:58,673 INFO L444 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2019-11-26 02:35:58,673 INFO L440 ceAbstractionStarter]: At program point L204(lines 194 217) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,673 INFO L440 ceAbstractionStarter]: At program point L404(lines 404 411) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,674 INFO L447 ceAbstractionStarter]: At program point L404-1(lines 404 411) the Hoare annotation is: true [2019-11-26 02:35:58,674 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,674 INFO L444 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-11-26 02:35:58,674 INFO L440 ceAbstractionStarter]: At program point L209-1(lines 81 227) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,674 INFO L440 ceAbstractionStarter]: At program point L143(lines 133 222) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,674 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 2579) no Hoare annotation was computed. [2019-11-26 02:35:58,674 INFO L444 ceAbstractionStarter]: For program point L2592(lines 2592 2598) no Hoare annotation was computed. [2019-11-26 02:35:58,674 INFO L444 ceAbstractionStarter]: For program point L2592-2(lines 2592 2598) no Hoare annotation was computed. [2019-11-26 02:35:58,675 INFO L444 ceAbstractionStarter]: For program point L2592-4(lines 2592 2598) no Hoare annotation was computed. [2019-11-26 02:35:58,675 INFO L444 ceAbstractionStarter]: For program point L2592-6(lines 2592 2598) no Hoare annotation was computed. [2019-11-26 02:35:58,675 INFO L444 ceAbstractionStarter]: For program point L2592-8(lines 2592 2598) no Hoare annotation was computed. [2019-11-26 02:35:58,675 INFO L444 ceAbstractionStarter]: For program point L2592-10(lines 2592 2598) no Hoare annotation was computed. [2019-11-26 02:35:58,675 INFO L440 ceAbstractionStarter]: At program point L148(lines 148 155) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,675 INFO L444 ceAbstractionStarter]: For program point L82(lines 81 227) no Hoare annotation was computed. [2019-11-26 02:35:58,675 INFO L440 ceAbstractionStarter]: At program point L2395-1(lines 2316 2327) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,675 INFO L440 ceAbstractionStarter]: At program point L2395(lines 2395 2402) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,675 INFO L440 ceAbstractionStarter]: At program point L2395-2(lines 2395 2402) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,676 INFO L440 ceAbstractionStarter]: At program point L2395-5(lines 2421 2433) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,676 INFO L440 ceAbstractionStarter]: At program point L2395-4(lines 2395 2402) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,676 INFO L440 ceAbstractionStarter]: At program point L2395-7(lines 2316 2327) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,677 INFO L440 ceAbstractionStarter]: At program point L2395-6(lines 2395 2402) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,677 INFO L440 ceAbstractionStarter]: At program point L2395-8(lines 2395 2402) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,677 INFO L440 ceAbstractionStarter]: At program point L2395-10(lines 2395 2402) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,678 INFO L440 ceAbstractionStarter]: At program point L348(lines 348 356) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,678 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:35:58,678 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 226) no Hoare annotation was computed. [2019-11-26 02:35:58,678 INFO L440 ceAbstractionStarter]: At program point L157(lines 144 221) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,678 INFO L444 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-11-26 02:35:58,678 INFO L440 ceAbstractionStarter]: At program point L2342(lines 2342 2361) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,679 INFO L440 ceAbstractionStarter]: At program point L228(lines 80 229) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,679 INFO L440 ceAbstractionStarter]: At program point L2342-1(lines 2342 2361) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,679 INFO L444 ceAbstractionStarter]: For program point L162(lines 162 166) no Hoare annotation was computed. [2019-11-26 02:35:58,679 INFO L440 ceAbstractionStarter]: At program point L99(lines 89 226) the Hoare annotation is: (= 1 ULTIMATE.start_main_~tmp~2) [2019-11-26 02:35:58,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:35:58 BoogieIcfgContainer [2019-11-26 02:35:58,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:35:58,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:35:58,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:35:58,702 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:35:58,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:57" (3/4) ... [2019-11-26 02:35:58,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:35:58,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 443 nodes and edges [2019-11-26 02:35:58,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2019-11-26 02:35:58,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-26 02:35:58,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:35:58,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:35:58,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:35:59,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ad226fe5-59ae-4f32-8c7e-ae40debab3fe/bin/utaipan/witness.graphml [2019-11-26 02:35:59,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:35:59,092 INFO L168 Benchmark]: Toolchain (without parser) took 8079.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 285.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 154.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,093 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:35:59,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 951.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,094 INFO L168 Benchmark]: Boogie Preprocessor took 118.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,095 INFO L168 Benchmark]: RCFGBuilder took 5403.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -170.7 MB). Peak memory consumption was 408.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,095 INFO L168 Benchmark]: TraceAbstraction took 1092.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.4 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,095 INFO L168 Benchmark]: Witness Printer took 388.87 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:59,097 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 951.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5403.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -170.7 MB). Peak memory consumption was 408.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1092.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.4 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. * Witness Printer took 388.87 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2579]: 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: 2395]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2421]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: !(0 == tmp) && 1 == tmp - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: !(0 == tmp) && 1 == tmp - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: !(0 == tmp) && 1 == tmp - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2342]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: !(0 == tmp) && 1 == tmp - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2316]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2342]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2316]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 == tmp - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 6 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 267 SDtfs, 91 SDslu, 146 SDs, 0 SdLazy, 9 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 35 LocationsWithAnnotation, 35 PreInvPairs, 65 NumberOfFragments, 117 HoareAnnotationTreeSize, 35 FomulaSimplifications, 89 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 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...