./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product27.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_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/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 90b9f2788ab91822b91bcdad04163a3602b497c2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:46:45,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:46:45,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:46:45,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:46:45,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:46:45,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:46:45,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:46:45,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:46:45,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:46:45,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:46:45,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:46:45,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:46:45,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:46:45,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:46:45,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:46:45,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:46:45,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:46:45,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:46:45,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:46:45,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:46:45,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:46:45,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:46:45,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:46:45,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:46:45,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:46:45,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:46:45,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:46:45,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:46:45,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:46:45,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:46:45,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:46:45,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:46:45,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:46:45,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:46:45,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:46:45,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:46:45,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:46:45,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:46:45,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:46:45,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:46:45,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:46:45,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:46:45,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:46:45,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:46:45,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:46:45,866 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:46:45,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:46:45,866 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:46:45,867 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:46:45,867 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:46:45,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:46:45,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:46:45,867 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:46:45,868 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:46:45,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:46:45,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:46:45,868 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:46:45,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:46:45,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:46:45,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:46:45,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:46:45,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:46:45,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:46:45,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:46:45,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:46:45,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:46:45,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:46:45,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:46:45,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:46:45,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:46:45,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:46:45,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:46:45,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:46:45,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:46:45,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:46:45,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:46:45,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:46:45,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:46:45,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:46:45,882 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_639f75dd-3375-42f8-bf0a-d66d60c40429/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 -> 90b9f2788ab91822b91bcdad04163a3602b497c2 [2019-11-26 02:46:46,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:46:46,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:46:46,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:46:46,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:46:46,031 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:46:46,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2019-11-26 02:46:46,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/data/3473b1e85/cd8ce67a7d044178804b1ece98117b20/FLAG0abe87ba8 [2019-11-26 02:46:46,646 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:46:46,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2019-11-26 02:46:46,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/data/3473b1e85/cd8ce67a7d044178804b1ece98117b20/FLAG0abe87ba8 [2019-11-26 02:46:46,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/data/3473b1e85/cd8ce67a7d044178804b1ece98117b20 [2019-11-26 02:46:46,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:46:46,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:46:46,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:46,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:46:46,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:46:46,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:46" (1/1) ... [2019-11-26 02:46:46,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1632aecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:46, skipping insertion in model container [2019-11-26 02:46:46,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:46" (1/1) ... [2019-11-26 02:46:46,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:46:47,018 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:46:47,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:47,640 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:46:47,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:47,866 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:46:47,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47 WrapperNode [2019-11-26 02:46:47,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:47,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:47,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:46:47,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:46:47,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:47,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:48,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:46:48,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:46:48,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:46:48,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... [2019-11-26 02:46:48,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:46:48,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:46:48,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:46:48,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:46:48,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/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 02:46:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:46:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:46:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:46:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:46:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:47:02,136 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:47:02,136 INFO L284 CfgBuilder]: Removed 685 assume(true) statements. [2019-11-26 02:47:02,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:02 BoogieIcfgContainer [2019-11-26 02:47:02,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:47:02,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:47:02,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:47:02,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:47:02,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:46:46" (1/3) ... [2019-11-26 02:47:02,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ef9e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:47:02, skipping insertion in model container [2019-11-26 02:47:02,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:47" (2/3) ... [2019-11-26 02:47:02,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ef9e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:47:02, skipping insertion in model container [2019-11-26 02:47:02,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:02" (3/3) ... [2019-11-26 02:47:02,155 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product27.cil.c [2019-11-26 02:47:02,164 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:47:02,172 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:47:02,182 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:47:02,206 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:47:02,206 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:47:02,206 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:47:02,207 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:47:02,207 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:47:02,207 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:47:02,207 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:47:02,207 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:47:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-26 02:47:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:47:02,232 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:47:02,233 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:47:02,233 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 02:47:02,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:47:02,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1734563588, now seen corresponding path program 1 times [2019-11-26 02:47:02,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:47:02,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100534796] [2019-11-26 02:47:02,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:47:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:02,617 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 02:47:02,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100534796] [2019-11-26 02:47:02,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:47:02,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:47:02,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175417699] [2019-11-26 02:47:02,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:47:02,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:47:02,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:47:02,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:47:02,640 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-26 02:47:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:47:02,671 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2019-11-26 02:47:02,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:47:02,673 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:47:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:47:02,687 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:47:02,687 INFO L226 Difference]: Without dead ends: 61 [2019-11-26 02:47:02,690 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 02:47:02,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-26 02:47:02,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-26 02:47:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-26 02:47:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2019-11-26 02:47:02,741 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 8 [2019-11-26 02:47:02,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:47:02,742 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2019-11-26 02:47:02,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:47:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2019-11-26 02:47:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:47:02,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:47:02,743 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:47:02,744 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 02:47:02,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:47:02,744 INFO L82 PathProgramCache]: Analyzing trace with hash 749524117, now seen corresponding path program 1 times [2019-11-26 02:47:02,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:47:02,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678442904] [2019-11-26 02:47:02,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:47:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:02,902 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 02:47:02,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678442904] [2019-11-26 02:47:02,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:47:02,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:47:02,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370330648] [2019-11-26 02:47:02,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:47:02,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:47:02,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:47:02,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:47:02,905 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand 3 states. [2019-11-26 02:47:02,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:47:02,928 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2019-11-26 02:47:02,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:47:02,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:47:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:47:02,931 INFO L225 Difference]: With dead ends: 98 [2019-11-26 02:47:02,932 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:47:02,933 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 02:47:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:47:02,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:47:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:47:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:47:02,948 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 9 [2019-11-26 02:47:02,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:47:02,949 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:47:02,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:47:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:47:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:47:02,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:47:02,951 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:47:02,951 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 02:47:02,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:47:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1990387636, now seen corresponding path program 1 times [2019-11-26 02:47:02,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:47:02,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796012406] [2019-11-26 02:47:02,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:47:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:03,080 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 02:47:03,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796012406] [2019-11-26 02:47:03,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:47:03,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:47:03,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198275149] [2019-11-26 02:47:03,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:47:03,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:47:03,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:47:03,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:47:03,082 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:47:03,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:47:03,115 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2019-11-26 02:47:03,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:47:03,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:47:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:47:03,116 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:47:03,116 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:47:03,117 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 02:47:03,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:47:03,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:47:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:47:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:47:03,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:47:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:47:03,118 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:47:03,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:47:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:47:03,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:47:03,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:47:03,196 INFO L447 ceAbstractionStarter]: At program point L236(lines 223 252) the Hoare annotation is: true [2019-11-26 02:47:03,196 INFO L447 ceAbstractionStarter]: At program point L241(lines 241 248) the Hoare annotation is: true [2019-11-26 02:47:03,196 INFO L447 ceAbstractionStarter]: At program point L241-1(lines 89 262) the Hoare annotation is: true [2019-11-26 02:47:03,196 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,196 INFO L447 ceAbstractionStarter]: At program point L263(lines 88 264) the Hoare annotation is: true [2019-11-26 02:47:03,196 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,196 INFO L447 ceAbstractionStarter]: At program point L1349(lines 1349 1357) the Hoare annotation is: true [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point L294(lines 294 300) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point L294-2(lines 294 300) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point L294-4(lines 294 300) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point L294-6(lines 294 300) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point L294-8(lines 294 300) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point L294-10(lines 294 300) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L447 ceAbstractionStarter]: At program point L1622(lines 1622 1641) the Hoare annotation is: true [2019-11-26 02:47:03,197 INFO L447 ceAbstractionStarter]: At program point L1622-1(lines 1622 1641) the Hoare annotation is: true [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,197 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:47:03,198 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,198 INFO L447 ceAbstractionStarter]: At program point L1405(lines 1405 1412) the Hoare annotation is: true [2019-11-26 02:47:03,198 INFO L447 ceAbstractionStarter]: At program point L1405-1(lines 1405 1412) the Hoare annotation is: true [2019-11-26 02:47:03,198 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:47:03,198 INFO L444 ceAbstractionStarter]: For program point L90(lines 89 262) no Hoare annotation was computed. [2019-11-26 02:47:03,198 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 261) no Hoare annotation was computed. [2019-11-26 02:47:03,198 INFO L447 ceAbstractionStarter]: At program point L101(lines 101 108) the Hoare annotation is: true [2019-11-26 02:47:03,198 INFO L447 ceAbstractionStarter]: At program point L110(lines 97 261) the Hoare annotation is: true [2019-11-26 02:47:03,198 INFO L447 ceAbstractionStarter]: At program point L115(lines 115 122) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704(lines 1704 1711) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-1(lines 1 2990) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-2(lines 1704 1711) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-4(lines 1704 1711) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-5(lines 1741 1753) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-6(lines 1704 1711) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-7(lines 1 2990) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-8(lines 1704 1711) the Hoare annotation is: true [2019-11-26 02:47:03,199 INFO L447 ceAbstractionStarter]: At program point L1704-10(lines 1704 1711) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L124(lines 111 260) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L129(lines 129 136) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L138(lines 125 259) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L143(lines 143 150) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L152(lines 139 258) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L157(lines 157 164) the Hoare annotation is: true [2019-11-26 02:47:03,200 INFO L447 ceAbstractionStarter]: At program point L166(lines 153 257) the Hoare annotation is: true [2019-11-26 02:47:03,202 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,203 INFO L447 ceAbstractionStarter]: At program point L171(lines 171 178) the Hoare annotation is: true [2019-11-26 02:47:03,203 INFO L447 ceAbstractionStarter]: At program point L180(lines 167 256) the Hoare annotation is: true [2019-11-26 02:47:03,203 INFO L444 ceAbstractionStarter]: For program point L1241(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,203 INFO L444 ceAbstractionStarter]: For program point L1241-1(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,203 INFO L444 ceAbstractionStarter]: For program point L1241-2(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,203 INFO L444 ceAbstractionStarter]: For program point L1241-3(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,204 INFO L444 ceAbstractionStarter]: For program point L1241-4(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,204 INFO L444 ceAbstractionStarter]: For program point L1241-5(line 1241) no Hoare annotation was computed. [2019-11-26 02:47:03,204 INFO L440 ceAbstractionStarter]: At program point L1242(lines 286 303) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~1) [2019-11-26 02:47:03,204 INFO L447 ceAbstractionStarter]: At program point L185(lines 185 192) the Hoare annotation is: true [2019-11-26 02:47:03,204 INFO L440 ceAbstractionStarter]: At program point L1242-1(lines 286 303) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~1) [2019-11-26 02:47:03,205 INFO L440 ceAbstractionStarter]: At program point L1242-2(lines 286 303) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~1) [2019-11-26 02:47:03,205 INFO L440 ceAbstractionStarter]: At program point L1242-3(lines 286 303) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~1) [2019-11-26 02:47:03,205 INFO L447 ceAbstractionStarter]: At program point L1242-4(lines 286 303) the Hoare annotation is: true [2019-11-26 02:47:03,205 INFO L447 ceAbstractionStarter]: At program point L1242-5(lines 286 303) the Hoare annotation is: true [2019-11-26 02:47:03,206 INFO L447 ceAbstractionStarter]: At program point L194(lines 181 255) the Hoare annotation is: true [2019-11-26 02:47:03,206 INFO L447 ceAbstractionStarter]: At program point L199(lines 199 206) the Hoare annotation is: true [2019-11-26 02:47:03,206 INFO L447 ceAbstractionStarter]: At program point L208(lines 195 254) the Hoare annotation is: true [2019-11-26 02:47:03,206 INFO L447 ceAbstractionStarter]: At program point L213(lines 213 220) the Hoare annotation is: true [2019-11-26 02:47:03,206 INFO L447 ceAbstractionStarter]: At program point L222(lines 209 253) the Hoare annotation is: true [2019-11-26 02:47:03,206 INFO L447 ceAbstractionStarter]: At program point L227(lines 227 234) the Hoare annotation is: true [2019-11-26 02:47:03,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:47:03 BoogieIcfgContainer [2019-11-26 02:47:03,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:47:03,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:47:03,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:47:03,225 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:47:03,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:02" (3/4) ... [2019-11-26 02:47:03,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:47:03,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1084 nodes and edges [2019-11-26 02:47:03,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 281 nodes and edges [2019-11-26 02:47:03,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2019-11-26 02:47:03,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-26 02:47:03,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:47:03,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:47:03,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_639f75dd-3375-42f8-bf0a-d66d60c40429/bin/utaipan/witness.graphml [2019-11-26 02:47:03,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:47:03,752 INFO L168 Benchmark]: Toolchain (without parser) took 16831.55 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 512.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -112.5 MB). Peak memory consumption was 400.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,752 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:03,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.57 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,753 INFO L168 Benchmark]: Boogie Preprocessor took 158.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,754 INFO L168 Benchmark]: RCFGBuilder took 13910.30 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -245.0 MB). Peak memory consumption was 656.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,754 INFO L168 Benchmark]: TraceAbstraction took 1082.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,754 INFO L168 Benchmark]: Witness Printer took 525.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:03,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 945.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 201.57 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 158.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13910.30 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -245.0 MB). Peak memory consumption was 656.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1082.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. * Witness Printer took 525.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1241]: 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: 1704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1349]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: 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: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 16 SDslu, 147 SDs, 0 SdLazy, 7 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 44 LocationsWithAnnotation, 44 PreInvPairs, 74 NumberOfFragments, 52 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 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, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...