./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product40.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_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/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 2daeee441c832af3ae7cca22ee5c2be1f4dd3a2e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:52:54,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:52:54,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:52:54,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:52:54,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:52:54,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:52:54,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:52:54,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:52:54,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:52:54,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:52:54,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:52:54,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:52:54,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:52:54,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:52:54,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:52:54,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:52:54,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:52:54,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:52:54,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:52:54,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:52:54,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:52:54,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:52:54,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:52:54,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:52:54,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:52:54,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:52:54,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:52:54,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:52:54,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:52:54,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:52:54,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:52:54,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:52:54,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:52:54,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:52:54,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:52:54,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:52:54,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:52:54,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:52:54,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:52:54,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:52:54,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:52:54,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:52:54,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:52:54,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:52:54,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:52:54,851 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:52:54,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:52:54,852 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:52:54,852 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:52:54,852 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:52:54,852 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:52:54,852 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:52:54,853 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:52:54,853 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:52:54,853 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:52:54,853 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:52:54,854 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:52:54,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:52:54,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:52:54,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:52:54,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:52:54,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:52:54,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:52:54,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:52:54,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:52:54,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:52:54,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:52:54,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:52:54,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:52:54,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:52:54,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:52:54,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:52:54,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:52:54,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:52:54,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:52:54,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:52:54,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:52:54,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:52:54,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:52:54,861 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_7382e8de-2191-405b-84b3-fd6f5948e8b0/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 -> 2daeee441c832af3ae7cca22ee5c2be1f4dd3a2e [2019-11-26 02:52:54,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:52:55,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:52:55,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:52:55,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:52:55,015 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:52:55,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2019-11-26 02:52:55,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/data/3e03dd685/3dee66ba630646b6a6676e333ac9a971/FLAG49ca19bb9 [2019-11-26 02:52:55,619 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:52:55,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2019-11-26 02:52:55,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/data/3e03dd685/3dee66ba630646b6a6676e333ac9a971/FLAG49ca19bb9 [2019-11-26 02:52:55,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/data/3e03dd685/3dee66ba630646b6a6676e333ac9a971 [2019-11-26 02:52:55,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:52:55,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:52:55,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:55,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:52:55,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:52:55,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:55" (1/1) ... [2019-11-26 02:52:55,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39168a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:55, skipping insertion in model container [2019-11-26 02:52:55,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:55" (1/1) ... [2019-11-26 02:52:55,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:52:55,921 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:52:56,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:56,513 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:52:56,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:56,690 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:52:56,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56 WrapperNode [2019-11-26 02:52:56,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:56,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:56,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:52:56,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:52:56,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:56,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:52:56,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:52:56,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:52:56,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... [2019-11-26 02:52:56,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:52:56,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:52:56,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:52:56,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:52:56,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/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 02:52:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:52:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:52:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:52:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:52:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:05,184 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:05,184 INFO L284 CfgBuilder]: Removed 497 assume(true) statements. [2019-11-26 02:53:05,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:05 BoogieIcfgContainer [2019-11-26 02:53:05,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:05,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:05,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:05,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:05,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:52:55" (1/3) ... [2019-11-26 02:53:05,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b54b7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:05, skipping insertion in model container [2019-11-26 02:53:05,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:56" (2/3) ... [2019-11-26 02:53:05,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b54b7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:05, skipping insertion in model container [2019-11-26 02:53:05,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:05" (3/3) ... [2019-11-26 02:53:05,193 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2019-11-26 02:53:05,201 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:05,206 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:53:05,214 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:53:05,233 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:05,233 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:05,234 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:05,234 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:05,234 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:05,234 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:05,234 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:05,234 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-26 02:53:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:53:05,254 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:05,255 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:05,255 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 02:53:05,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:05,260 INFO L82 PathProgramCache]: Analyzing trace with hash -161427387, now seen corresponding path program 1 times [2019-11-26 02:53:05,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:05,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104481331] [2019-11-26 02:53:05,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:05,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104481331] [2019-11-26 02:53:05,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:05,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:53:05,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005569986] [2019-11-26 02:53:05,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:53:05,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:05,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:53:05,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:05,586 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-26 02:53:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:05,605 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2019-11-26 02:53:05,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:53:05,607 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:53:05,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:05,617 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:53:05,617 INFO L226 Difference]: Without dead ends: 61 [2019-11-26 02:53:05,620 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:05,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-26 02:53:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-26 02:53:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-26 02:53:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2019-11-26 02:53:05,673 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 8 [2019-11-26 02:53:05,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:05,673 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2019-11-26 02:53:05,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:53:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2019-11-26 02:53:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:53:05,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:05,675 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:05,676 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 02:53:05,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:05,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1156736835, now seen corresponding path program 1 times [2019-11-26 02:53:05,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:05,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527665106] [2019-11-26 02:53:05,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:05,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527665106] [2019-11-26 02:53:05,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:05,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:05,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601644145] [2019-11-26 02:53:05,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:05,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:05,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:05,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:05,852 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand 3 states. [2019-11-26 02:53:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:05,867 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2019-11-26 02:53:05,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:05,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:53:05,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:05,869 INFO L225 Difference]: With dead ends: 98 [2019-11-26 02:53:05,869 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:53:05,870 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:05,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:53:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:53:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:53:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:53:05,878 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 9 [2019-11-26 02:53:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:05,879 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:53:05,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:53:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:53:05,880 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:05,880 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:05,881 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 02:53:05,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:05,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1632061909, now seen corresponding path program 1 times [2019-11-26 02:53:05,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:05,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843765053] [2019-11-26 02:53:05,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:53:06,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843765053] [2019-11-26 02:53:06,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:06,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:06,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850089646] [2019-11-26 02:53:06,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:06,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:06,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:06,053 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:53:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:06,086 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2019-11-26 02:53:06,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:06,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:53:06,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:06,087 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:53:06,087 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:53:06,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:53:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:53:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:53:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:53:06,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:53:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:06,089 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:53:06,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:53:06,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:53:06,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:53:06,173 INFO L447 ceAbstractionStarter]: At program point L1954(lines 1954 1961) the Hoare annotation is: true [2019-11-26 02:53:06,173 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,173 INFO L447 ceAbstractionStarter]: At program point L1963(lines 1950 1994) the Hoare annotation is: true [2019-11-26 02:53:06,173 INFO L444 ceAbstractionStarter]: For program point L1831(lines 1830 2003) no Hoare annotation was computed. [2019-11-26 02:53:06,173 INFO L447 ceAbstractionStarter]: At program point L1968(lines 1968 1975) the Hoare annotation is: true [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L1838(lines 1838 2002) no Hoare annotation was computed. [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L387-1(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L387-2(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L387-3(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L387-4(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,174 INFO L444 ceAbstractionStarter]: For program point L387-5(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,175 INFO L440 ceAbstractionStarter]: At program point L388(lines 1772 1789) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~13) [2019-11-26 02:53:06,175 INFO L440 ceAbstractionStarter]: At program point L388-1(lines 1772 1789) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~13) [2019-11-26 02:53:06,175 INFO L440 ceAbstractionStarter]: At program point L388-2(lines 1772 1789) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~13) [2019-11-26 02:53:06,175 INFO L440 ceAbstractionStarter]: At program point L388-3(lines 1772 1789) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~13) [2019-11-26 02:53:06,175 INFO L447 ceAbstractionStarter]: At program point L388-4(lines 1772 1789) the Hoare annotation is: true [2019-11-26 02:53:06,175 INFO L447 ceAbstractionStarter]: At program point L388-5(lines 1772 1789) the Hoare annotation is: true [2019-11-26 02:53:06,175 INFO L447 ceAbstractionStarter]: At program point L1842(lines 1842 1849) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L1977(lines 1964 1993) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525(lines 525 532) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525-1(lines 428 439) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525-2(lines 525 532) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525-4(lines 525 532) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525-5(lines 551 563) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525-6(lines 525 532) the Hoare annotation is: true [2019-11-26 02:53:06,176 INFO L447 ceAbstractionStarter]: At program point L525-7(lines 428 439) the Hoare annotation is: true [2019-11-26 02:53:06,177 INFO L447 ceAbstractionStarter]: At program point L525-8(lines 525 532) the Hoare annotation is: true [2019-11-26 02:53:06,177 INFO L447 ceAbstractionStarter]: At program point L525-10(lines 525 532) the Hoare annotation is: true [2019-11-26 02:53:06,177 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,178 INFO L447 ceAbstractionStarter]: At program point L1982(lines 1982 1989) the Hoare annotation is: true [2019-11-26 02:53:06,178 INFO L447 ceAbstractionStarter]: At program point L1982-1(lines 1830 2003) the Hoare annotation is: true [2019-11-26 02:53:06,179 INFO L447 ceAbstractionStarter]: At program point L1851(lines 1838 2002) the Hoare annotation is: true [2019-11-26 02:53:06,179 INFO L447 ceAbstractionStarter]: At program point L1856(lines 1856 1863) the Hoare annotation is: true [2019-11-26 02:53:06,179 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,179 INFO L447 ceAbstractionStarter]: At program point L1865(lines 1852 2001) the Hoare annotation is: true [2019-11-26 02:53:06,179 INFO L447 ceAbstractionStarter]: At program point L1870(lines 1870 1877) the Hoare annotation is: true [2019-11-26 02:53:06,180 INFO L447 ceAbstractionStarter]: At program point L2004(lines 1829 2005) the Hoare annotation is: true [2019-11-26 02:53:06,180 INFO L447 ceAbstractionStarter]: At program point L1879(lines 1866 2000) the Hoare annotation is: true [2019-11-26 02:53:06,180 INFO L447 ceAbstractionStarter]: At program point L1884(lines 1884 1891) the Hoare annotation is: true [2019-11-26 02:53:06,180 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,180 INFO L447 ceAbstractionStarter]: At program point L170(lines 170 178) the Hoare annotation is: true [2019-11-26 02:53:06,181 INFO L447 ceAbstractionStarter]: At program point L1893(lines 1880 1999) the Hoare annotation is: true [2019-11-26 02:53:06,181 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,182 INFO L447 ceAbstractionStarter]: At program point L1898(lines 1898 1905) the Hoare annotation is: true [2019-11-26 02:53:06,182 INFO L447 ceAbstractionStarter]: At program point L1907(lines 1894 1998) the Hoare annotation is: true [2019-11-26 02:53:06,182 INFO L447 ceAbstractionStarter]: At program point L454(lines 454 473) the Hoare annotation is: true [2019-11-26 02:53:06,182 INFO L447 ceAbstractionStarter]: At program point L454-1(lines 454 473) the Hoare annotation is: true [2019-11-26 02:53:06,182 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:53:06,182 INFO L447 ceAbstractionStarter]: At program point L1912(lines 1912 1919) the Hoare annotation is: true [2019-11-26 02:53:06,184 INFO L444 ceAbstractionStarter]: For program point L1780(lines 1780 1786) no Hoare annotation was computed. [2019-11-26 02:53:06,184 INFO L444 ceAbstractionStarter]: For program point L1780-2(lines 1780 1786) no Hoare annotation was computed. [2019-11-26 02:53:06,184 INFO L444 ceAbstractionStarter]: For program point L1780-4(lines 1780 1786) no Hoare annotation was computed. [2019-11-26 02:53:06,184 INFO L444 ceAbstractionStarter]: For program point L1780-6(lines 1780 1786) no Hoare annotation was computed. [2019-11-26 02:53:06,184 INFO L444 ceAbstractionStarter]: For program point L1780-8(lines 1780 1786) no Hoare annotation was computed. [2019-11-26 02:53:06,184 INFO L444 ceAbstractionStarter]: For program point L1780-10(lines 1780 1786) no Hoare annotation was computed. [2019-11-26 02:53:06,184 INFO L447 ceAbstractionStarter]: At program point L1921(lines 1908 1997) the Hoare annotation is: true [2019-11-26 02:53:06,185 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2019-11-26 02:53:06,185 INFO L447 ceAbstractionStarter]: At program point L1926(lines 1926 1933) the Hoare annotation is: true [2019-11-26 02:53:06,186 INFO L447 ceAbstractionStarter]: At program point L1935(lines 1922 1996) the Hoare annotation is: true [2019-11-26 02:53:06,186 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:53:06,186 INFO L447 ceAbstractionStarter]: At program point L1940(lines 1940 1947) the Hoare annotation is: true [2019-11-26 02:53:06,186 INFO L447 ceAbstractionStarter]: At program point L226(lines 226 233) the Hoare annotation is: true [2019-11-26 02:53:06,187 INFO L447 ceAbstractionStarter]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2019-11-26 02:53:06,187 INFO L447 ceAbstractionStarter]: At program point L1949(lines 1936 1995) the Hoare annotation is: true [2019-11-26 02:53:06,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:06 BoogieIcfgContainer [2019-11-26 02:53:06,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:06,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:06,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:06,203 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:06,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:05" (3/4) ... [2019-11-26 02:53:06,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:53:06,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 770 nodes and edges [2019-11-26 02:53:06,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 199 nodes and edges [2019-11-26 02:53:06,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2019-11-26 02:53:06,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:53:06,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:53:06,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:53:06,608 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7382e8de-2191-405b-84b3-fd6f5948e8b0/bin/utaipan/witness.graphml [2019-11-26 02:53:06,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:06,611 INFO L168 Benchmark]: Toolchain (without parser) took 10785.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.5 MB). Free memory was 940.7 MB in the beginning and 849.2 MB in the end (delta: 91.5 MB). Peak memory consumption was 416.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,611 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:06,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,613 INFO L168 Benchmark]: Boogie Preprocessor took 119.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,613 INFO L168 Benchmark]: RCFGBuilder took 8236.48 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 445.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,614 INFO L168 Benchmark]: TraceAbstraction took 1015.54 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 930.9 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,614 INFO L168 Benchmark]: Witness Printer took 406.00 ms. Allocated memory is still 1.4 GB. Free memory was 930.9 MB in the beginning and 849.2 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:06,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 865.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8236.48 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 445.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1015.54 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 930.9 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. * Witness Printer took 406.00 ms. Allocated memory is still 1.4 GB. Free memory was 930.9 MB in the beginning and 849.2 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 387]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 387]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 387]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 387]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 387]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 387]: 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: 1870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1954]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1950]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1940]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1936]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1964]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1926]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1880]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 6 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, 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...