./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product07.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_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/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 3eba260d1f6309acca20f919ed550604e4154773 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:15:16,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:15:16,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:15:16,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:15:16,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:15:16,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:15:16,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:15:16,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:15:16,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:15:16,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:15:16,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:15:16,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:15:16,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:15:16,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:15:16,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:15:16,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:15:16,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:15:16,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:15:16,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:15:16,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:15:16,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:15:16,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:15:16,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:15:16,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:15:16,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:15:16,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:15:16,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:15:16,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:15:16,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:15:16,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:15:16,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:15:16,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:15:16,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:15:16,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:15:16,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:15:16,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:15:16,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:15:16,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:15:16,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:15:16,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:15:16,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:15:16,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:15:16,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:15:16,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:15:16,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:15:16,824 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:15:16,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:15:16,824 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:15:16,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:15:16,825 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:15:16,825 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:15:16,825 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:15:16,826 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:15:16,826 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:15:16,826 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:15:16,826 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:15:16,827 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:15:16,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:15:16,827 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:15:16,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:15:16,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:15:16,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:15:16,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:15:16,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:15:16,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:15:16,828 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:15:16,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:15:16,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:15:16,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:15:16,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:15:16,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:15:16,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:16,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:15:16,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:15:16,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:15:16,831 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:15:16,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:15:16,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:15:16,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:15:16,832 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_db751c58-d793-457c-a592-5c3e7f175bb8/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 -> 3eba260d1f6309acca20f919ed550604e4154773 [2019-11-26 02:15:16,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:15:16,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:15:16,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:15:16,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:15:16,973 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:15:16,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2019-11-26 02:15:17,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/data/42816ee19/85c88ea6eb034eea872eab1ef01e2fd6/FLAG9eba0769d [2019-11-26 02:15:17,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:15:17,547 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2019-11-26 02:15:17,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/data/42816ee19/85c88ea6eb034eea872eab1ef01e2fd6/FLAG9eba0769d [2019-11-26 02:15:18,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/data/42816ee19/85c88ea6eb034eea872eab1ef01e2fd6 [2019-11-26 02:15:18,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:15:18,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:15:18,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:18,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:15:18,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:15:18,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5388ff6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18, skipping insertion in model container [2019-11-26 02:15:18,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:15:18,126 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:15:18,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:18,606 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:15:18,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:18,802 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:15:18,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18 WrapperNode [2019-11-26 02:15:18,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:18,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:18,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:15:18,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:15:18,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:18,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:15:18,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:15:18,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:15:18,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:18,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:19,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:19,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:19,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... [2019-11-26 02:15:19,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:15:19,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:15:19,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:15:19,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:15:19,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/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 02:15:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:15:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:15:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:15:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:15:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:24,026 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:24,026 INFO L284 CfgBuilder]: Removed 281 assume(true) statements. [2019-11-26 02:15:24,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:24 BoogieIcfgContainer [2019-11-26 02:15:24,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:24,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:24,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:24,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:24,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:15:18" (1/3) ... [2019-11-26 02:15:24,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756e475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:24, skipping insertion in model container [2019-11-26 02:15:24,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:18" (2/3) ... [2019-11-26 02:15:24,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756e475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:24, skipping insertion in model container [2019-11-26 02:15:24,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:24" (3/3) ... [2019-11-26 02:15:24,039 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product07.cil.c [2019-11-26 02:15:24,047 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:24,054 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:15:24,063 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:15:24,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:24,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:24,089 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:24,089 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:24,089 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:24,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:24,090 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:24,090 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-26 02:15:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:15:24,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:24,118 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:24,119 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 02:15:24,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:24,124 INFO L82 PathProgramCache]: Analyzing trace with hash -2008510731, now seen corresponding path program 1 times [2019-11-26 02:15:24,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:24,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047349553] [2019-11-26 02:15:24,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:24,457 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 02:15:24,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047349553] [2019-11-26 02:15:24,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:24,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:24,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381796866] [2019-11-26 02:15:24,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:15:24,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:24,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:15:24,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:24,474 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-26 02:15:24,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:24,495 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2019-11-26 02:15:24,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:15:24,496 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:15:24,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:24,506 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:15:24,506 INFO L226 Difference]: Without dead ends: 61 [2019-11-26 02:15:24,509 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 02:15:24,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-26 02:15:24,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-26 02:15:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-26 02:15:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2019-11-26 02:15:24,545 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 8 [2019-11-26 02:15:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:24,546 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2019-11-26 02:15:24,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:15:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2019-11-26 02:15:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:15:24,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:24,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:24,547 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 02:15:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:24,548 INFO L82 PathProgramCache]: Analyzing trace with hash 485827848, now seen corresponding path program 1 times [2019-11-26 02:15:24,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:24,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992748459] [2019-11-26 02:15:24,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:24,630 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 02:15:24,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992748459] [2019-11-26 02:15:24,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:24,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:15:24,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494951292] [2019-11-26 02:15:24,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:24,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:24,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:24,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:24,633 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand 3 states. [2019-11-26 02:15:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:24,656 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2019-11-26 02:15:24,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:24,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:15:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:24,659 INFO L225 Difference]: With dead ends: 98 [2019-11-26 02:15:24,660 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:15:24,662 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 02:15:24,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:15:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:15:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:15:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:15:24,680 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 9 [2019-11-26 02:15:24,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:24,680 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:15:24,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:15:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:15:24,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:24,683 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:24,683 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 02:15:24,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:24,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1859177558, now seen corresponding path program 1 times [2019-11-26 02:15:24,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:24,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538177411] [2019-11-26 02:15:24,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:24,814 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 02:15:24,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538177411] [2019-11-26 02:15:24,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:24,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:15:24,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167889419] [2019-11-26 02:15:24,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:24,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:24,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:24,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:24,817 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:15:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:24,849 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2019-11-26 02:15:24,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:24,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:15:24,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:24,850 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:15:24,850 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:15:24,851 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 02:15:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:15:24,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:15:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:15:24,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:15:24,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:15:24,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:24,852 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:15:24,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:24,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:15:24,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:15:24,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:15:24,916 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,917 INFO L447 ceAbstractionStarter]: At program point L2152(lines 2142 2177) the Hoare annotation is: true [2019-11-26 02:15:24,917 INFO L444 ceAbstractionStarter]: For program point L2088(lines 2088 2092) no Hoare annotation was computed. [2019-11-26 02:15:24,917 INFO L444 ceAbstractionStarter]: For program point L2157(lines 2157 2161) no Hoare annotation was computed. [2019-11-26 02:15:24,917 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,917 INFO L447 ceAbstractionStarter]: At program point L2094(lines 2084 2182) the Hoare annotation is: true [2019-11-26 02:15:24,918 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,918 INFO L447 ceAbstractionStarter]: At program point L2163(lines 2153 2176) the Hoare annotation is: true [2019-11-26 02:15:24,918 INFO L444 ceAbstractionStarter]: For program point L2099(lines 2099 2103) no Hoare annotation was computed. [2019-11-26 02:15:24,918 INFO L444 ceAbstractionStarter]: For program point L2168(lines 2168 2172) no Hoare annotation was computed. [2019-11-26 02:15:24,918 INFO L447 ceAbstractionStarter]: At program point L2168-1(lines 2040 2186) the Hoare annotation is: true [2019-11-26 02:15:24,918 INFO L447 ceAbstractionStarter]: At program point L2105(lines 2095 2181) the Hoare annotation is: true [2019-11-26 02:15:24,919 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:15:24,919 INFO L444 ceAbstractionStarter]: For program point L2041(lines 2040 2186) no Hoare annotation was computed. [2019-11-26 02:15:24,919 INFO L444 ceAbstractionStarter]: For program point L2110(lines 2110 2114) no Hoare annotation was computed. [2019-11-26 02:15:24,919 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,919 INFO L444 ceAbstractionStarter]: For program point L2048(lines 2048 2185) no Hoare annotation was computed. [2019-11-26 02:15:24,919 INFO L447 ceAbstractionStarter]: At program point L2116(lines 2106 2180) the Hoare annotation is: true [2019-11-26 02:15:24,919 INFO L444 ceAbstractionStarter]: For program point L2579(lines 2579 2585) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L444 ceAbstractionStarter]: For program point L2579-2(lines 2579 2585) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L444 ceAbstractionStarter]: For program point L2579-4(lines 2579 2585) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L444 ceAbstractionStarter]: For program point L2579-6(lines 2579 2585) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L444 ceAbstractionStarter]: For program point L2579-8(lines 2579 2585) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L444 ceAbstractionStarter]: For program point L2579-10(lines 2579 2585) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L444 ceAbstractionStarter]: For program point L2052(lines 2052 2056) no Hoare annotation was computed. [2019-11-26 02:15:24,920 INFO L447 ceAbstractionStarter]: At program point L2187(lines 2039 2188) the Hoare annotation is: true [2019-11-26 02:15:24,921 INFO L444 ceAbstractionStarter]: For program point L2121(lines 2121 2125) no Hoare annotation was computed. [2019-11-26 02:15:24,921 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,921 INFO L447 ceAbstractionStarter]: At program point L2058(lines 2048 2185) the Hoare annotation is: true [2019-11-26 02:15:24,921 INFO L447 ceAbstractionStarter]: At program point L1662(lines 1662 1669) the Hoare annotation is: true [2019-11-26 02:15:24,921 INFO L447 ceAbstractionStarter]: At program point L1662-1(lines 1662 1669) the Hoare annotation is: true [2019-11-26 02:15:24,921 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,922 INFO L447 ceAbstractionStarter]: At program point L2127(lines 2117 2179) the Hoare annotation is: true [2019-11-26 02:15:24,922 INFO L447 ceAbstractionStarter]: At program point L1797(lines 1797 1803) the Hoare annotation is: true [2019-11-26 02:15:24,922 INFO L447 ceAbstractionStarter]: At program point L1797-1(lines 1720 1731) the Hoare annotation is: true [2019-11-26 02:15:24,922 INFO L447 ceAbstractionStarter]: At program point L1797-2(lines 1797 1803) the Hoare annotation is: true [2019-11-26 02:15:24,922 INFO L447 ceAbstractionStarter]: At program point L1797-4(lines 1797 1803) the Hoare annotation is: true [2019-11-26 02:15:24,922 INFO L447 ceAbstractionStarter]: At program point L1797-5(lines 1822 1834) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point L1797-6(lines 1797 1803) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point L1797-7(lines 1720 1731) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point L1797-8(lines 1797 1803) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point L1797-10(lines 1797 1803) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point L2063(lines 2063 2070) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point L2132(lines 2132 2139) the Hoare annotation is: true [2019-11-26 02:15:24,923 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:15:24,924 INFO L444 ceAbstractionStarter]: For program point L2200(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,924 INFO L444 ceAbstractionStarter]: For program point L2200-2(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,924 INFO L444 ceAbstractionStarter]: For program point L2200-1(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,924 INFO L444 ceAbstractionStarter]: For program point L2200-4(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,924 INFO L444 ceAbstractionStarter]: For program point L2200-3(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,924 INFO L444 ceAbstractionStarter]: For program point L2200-5(line 2200) no Hoare annotation was computed. [2019-11-26 02:15:24,925 INFO L447 ceAbstractionStarter]: At program point L1606(lines 1606 1614) the Hoare annotation is: true [2019-11-26 02:15:24,925 INFO L440 ceAbstractionStarter]: At program point L2201-1(lines 2571 2588) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:15:24,925 INFO L440 ceAbstractionStarter]: At program point L2201(lines 2571 2588) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:15:24,925 INFO L440 ceAbstractionStarter]: At program point L2201-3(lines 2571 2588) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:15:24,925 INFO L440 ceAbstractionStarter]: At program point L2201-2(lines 2571 2588) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~16) [2019-11-26 02:15:24,925 INFO L447 ceAbstractionStarter]: At program point L2201-5(lines 2571 2588) the Hoare annotation is: true [2019-11-26 02:15:24,925 INFO L447 ceAbstractionStarter]: At program point L2201-4(lines 2571 2588) the Hoare annotation is: true [2019-11-26 02:15:24,926 INFO L447 ceAbstractionStarter]: At program point L2072(lines 2059 2184) the Hoare annotation is: true [2019-11-26 02:15:24,926 INFO L447 ceAbstractionStarter]: At program point L2141(lines 2128 2178) the Hoare annotation is: true [2019-11-26 02:15:24,926 INFO L447 ceAbstractionStarter]: At program point L1746(lines 1746 1765) the Hoare annotation is: true [2019-11-26 02:15:24,926 INFO L447 ceAbstractionStarter]: At program point L1746-1(lines 1746 1765) the Hoare annotation is: true [2019-11-26 02:15:24,926 INFO L444 ceAbstractionStarter]: For program point L2077(lines 2077 2081) no Hoare annotation was computed. [2019-11-26 02:15:24,926 INFO L444 ceAbstractionStarter]: For program point L2146(lines 2146 2150) no Hoare annotation was computed. [2019-11-26 02:15:24,926 INFO L447 ceAbstractionStarter]: At program point L2083(lines 2073 2183) the Hoare annotation is: true [2019-11-26 02:15:24,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:15:24 BoogieIcfgContainer [2019-11-26 02:15:24,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:15:24,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:15:24,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:15:24,943 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:15:24,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:24" (3/4) ... [2019-11-26 02:15:24,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:15:24,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 380 nodes and edges [2019-11-26 02:15:24,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2019-11-26 02:15:25,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:15:25,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:15:25,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:15:25,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:15:25,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db751c58-d793-457c-a592-5c3e7f175bb8/bin/utaipan/witness.graphml [2019-11-26 02:15:25,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:15:25,395 INFO L168 Benchmark]: Toolchain (without parser) took 7348.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -216.3 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,396 INFO L168 Benchmark]: CDTParser took 0.16 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 02:15:25,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,397 INFO L168 Benchmark]: Boogie Preprocessor took 119.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,397 INFO L168 Benchmark]: RCFGBuilder took 4957.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 954.0 MB in the end (delta: 119.9 MB). Peak memory consumption was 220.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,397 INFO L168 Benchmark]: TraceAbstraction took 914.77 ms. Allocated memory is still 1.2 GB. Free memory was 954.0 MB in the beginning and 882.7 MB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,398 INFO L168 Benchmark]: Witness Printer took 450.15 ms. Allocated memory is still 1.2 GB. Free memory was 882.7 MB in the beginning and 1.2 GB in the end (delta: -275.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:25,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 757.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4957.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 954.0 MB in the end (delta: 119.9 MB). Peak memory consumption was 220.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 914.77 ms. Allocated memory is still 1.2 GB. Free memory was 954.0 MB in the beginning and 882.7 MB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. * Witness Printer took 450.15 ms. Allocated memory is still 1.2 GB. Free memory was 882.7 MB in the beginning and 1.2 GB in the end (delta: -275.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2200]: 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: 1797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2571]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2571]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2040]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2571]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2571]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 1797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2048]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2073]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2059]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2117]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 6 error locations. Result: SAFE, OverallTime: 0.8s, 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, 35 LocationsWithAnnotation, 35 PreInvPairs, 65 NumberOfFragments, 43 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...