./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product13.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_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/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 9b35b1d1efec08bea7681187b4614cf5fd3807a6 .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:51:08,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:51:08,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:51:08,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:51:08,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:51:08,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:51:08,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:51:08,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:51:08,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:51:08,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:51:08,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:51:08,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:51:08,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:51:08,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:51:08,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:51:08,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:51:08,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:51:08,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:51:08,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:51:08,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:51:08,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:51:08,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:51:08,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:51:08,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:51:08,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:51:08,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:51:08,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:51:08,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:51:08,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:51:08,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:51:08,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:51:08,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:51:08,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:51:08,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:51:08,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:51:08,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:51:08,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:51:08,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:51:08,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:51:08,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:51:08,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:51:08,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:51:08,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:51:08,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:51:08,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:51:08,209 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:51:08,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:51:08,209 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:51:08,210 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:51:08,210 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:51:08,210 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:51:08,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:51:08,210 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:51:08,210 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:51:08,211 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:51:08,211 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:51:08,211 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:51:08,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:51:08,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:51:08,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:51:08,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:51:08,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:51:08,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:51:08,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:51:08,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:51:08,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:51:08,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:51:08,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:51:08,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:51:08,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:51:08,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:51:08,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:51:08,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:51:08,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:51:08,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:51:08,215 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:51:08,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:51:08,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:51:08,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:51:08,215 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_14446ee4-33c3-4792-9f1b-5897baebc3b5/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 -> 9b35b1d1efec08bea7681187b4614cf5fd3807a6 [2019-11-26 02:51:08,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:51:08,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:51:08,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:51:08,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:51:08,369 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:51:08,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2019-11-26 02:51:08,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/data/e83d2595e/e3b714e4d32b4f8391431e21dabaafbc/FLAG6629d76df [2019-11-26 02:51:09,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:51:09,004 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2019-11-26 02:51:09,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/data/e83d2595e/e3b714e4d32b4f8391431e21dabaafbc/FLAG6629d76df [2019-11-26 02:51:09,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/data/e83d2595e/e3b714e4d32b4f8391431e21dabaafbc [2019-11-26 02:51:09,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:51:09,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:51:09,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:09,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:51:09,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:51:09,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1873f192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09, skipping insertion in model container [2019-11-26 02:51:09,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:51:09,309 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:51:09,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:09,893 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:51:10,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:10,082 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:51:10,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10 WrapperNode [2019-11-26 02:51:10,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:10,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:10,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:51:10,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:51:10,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:10,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:51:10,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:51:10,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:51:10,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:51:10,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:51:10,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:51:10,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:51:10,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/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 02:51:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:51:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:51:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:51:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:51:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:51:16,051 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:51:16,052 INFO L284 CfgBuilder]: Removed 231 assume(true) statements. [2019-11-26 02:51:16,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:16 BoogieIcfgContainer [2019-11-26 02:51:16,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:51:16,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:51:16,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:51:16,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:51:16,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:51:09" (1/3) ... [2019-11-26 02:51:16,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f92c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:51:16, skipping insertion in model container [2019-11-26 02:51:16,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:10" (2/3) ... [2019-11-26 02:51:16,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f92c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:51:16, skipping insertion in model container [2019-11-26 02:51:16,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:16" (3/3) ... [2019-11-26 02:51:16,060 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product13.cil.c [2019-11-26 02:51:16,071 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:51:16,078 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:51:16,088 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:51:16,110 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:51:16,111 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:51:16,111 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:51:16,111 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:51:16,112 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:51:16,112 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:51:16,113 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:51:16,113 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:51:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-26 02:51:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:51:16,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:16,135 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:51:16,136 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:16,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:16,142 INFO L82 PathProgramCache]: Analyzing trace with hash 329600337, now seen corresponding path program 1 times [2019-11-26 02:51:16,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:16,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249721406] [2019-11-26 02:51:16,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,408 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 02:51:16,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249721406] [2019-11-26 02:51:16,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:16,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:51:16,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947418337] [2019-11-26 02:51:16,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:51:16,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:16,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:51:16,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:51:16,430 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-11-26 02:51:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:16,453 INFO L93 Difference]: Finished difference Result 50 states and 79 transitions. [2019-11-26 02:51:16,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:51:16,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-26 02:51:16,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:16,468 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:51:16,469 INFO L226 Difference]: Without dead ends: 35 [2019-11-26 02:51:16,472 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 02:51:16,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-26 02:51:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-26 02:51:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-26 02:51:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 57 transitions. [2019-11-26 02:51:16,520 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 57 transitions. Word has length 6 [2019-11-26 02:51:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:16,521 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 57 transitions. [2019-11-26 02:51:16,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:51:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-11-26 02:51:16,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:51:16,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:16,522 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:51:16,522 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:16,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:16,522 INFO L82 PathProgramCache]: Analyzing trace with hash -234692871, now seen corresponding path program 1 times [2019-11-26 02:51:16,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:16,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604257679] [2019-11-26 02:51:16,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,658 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 02:51:16,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604257679] [2019-11-26 02:51:16,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:16,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:51:16,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962605786] [2019-11-26 02:51:16,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:51:16,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:16,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:51:16,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:51:16,661 INFO L87 Difference]: Start difference. First operand 35 states and 57 transitions. Second operand 3 states. [2019-11-26 02:51:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:16,676 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-26 02:51:16,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:51:16,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-26 02:51:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:16,679 INFO L225 Difference]: With dead ends: 46 [2019-11-26 02:51:16,679 INFO L226 Difference]: Without dead ends: 37 [2019-11-26 02:51:16,680 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 02:51:16,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-26 02:51:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-26 02:51:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-26 02:51:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 59 transitions. [2019-11-26 02:51:16,686 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 59 transitions. Word has length 7 [2019-11-26 02:51:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:16,687 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 59 transitions. [2019-11-26 02:51:16,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:51:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-11-26 02:51:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:51:16,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:16,691 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:51:16,691 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:16,692 INFO L82 PathProgramCache]: Analyzing trace with hash 996872834, now seen corresponding path program 1 times [2019-11-26 02:51:16,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:16,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097641063] [2019-11-26 02:51:16,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,878 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 02:51:16,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097641063] [2019-11-26 02:51:16,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:16,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:51:16,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232738055] [2019-11-26 02:51:16,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:51:16,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:16,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:51:16,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:51:16,880 INFO L87 Difference]: Start difference. First operand 37 states and 59 transitions. Second operand 3 states. [2019-11-26 02:51:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:16,900 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2019-11-26 02:51:16,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:51:16,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-26 02:51:16,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:16,903 INFO L225 Difference]: With dead ends: 37 [2019-11-26 02:51:16,903 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:51:16,903 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 02:51:16,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:51:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:51:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:51:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:51:16,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-26 02:51:16,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:16,904 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:51:16,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:51:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:51:16,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:51:16,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:51:16,956 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 732) no Hoare annotation was computed. [2019-11-26 02:51:16,957 INFO L447 ceAbstractionStarter]: At program point L2746(lines 2736 2819) the Hoare annotation is: true [2019-11-26 02:51:16,957 INFO L447 ceAbstractionStarter]: At program point L2682(lines 2669 2824) the Hoare annotation is: true [2019-11-26 02:51:16,957 INFO L447 ceAbstractionStarter]: At program point L238(lines 238 245) the Hoare annotation is: true [2019-11-26 02:51:16,957 INFO L447 ceAbstractionStarter]: At program point L238-1(lines 238 245) the Hoare annotation is: true [2019-11-26 02:51:16,957 INFO L447 ceAbstractionStarter]: At program point L2751(lines 2751 2758) the Hoare annotation is: true [2019-11-26 02:51:16,957 INFO L444 ceAbstractionStarter]: For program point L2687(lines 2687 2691) no Hoare annotation was computed. [2019-11-26 02:51:16,957 INFO L440 ceAbstractionStarter]: At program point L182(lines 182 190) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:51:16,958 INFO L447 ceAbstractionStarter]: At program point L2693(lines 2683 2823) the Hoare annotation is: true [2019-11-26 02:51:16,958 INFO L447 ceAbstractionStarter]: At program point L2826(lines 2660 2827) the Hoare annotation is: true [2019-11-26 02:51:16,958 INFO L447 ceAbstractionStarter]: At program point L2760(lines 2747 2818) the Hoare annotation is: true [2019-11-26 02:51:16,958 INFO L447 ceAbstractionStarter]: At program point L2698(lines 2698 2705) the Hoare annotation is: true [2019-11-26 02:51:16,958 INFO L444 ceAbstractionStarter]: For program point L2765(lines 2765 2769) no Hoare annotation was computed. [2019-11-26 02:51:16,958 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:51:16,958 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:51:16,958 INFO L444 ceAbstractionStarter]: For program point L59-2(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:51:16,959 INFO L447 ceAbstractionStarter]: At program point L2771(lines 2761 2817) the Hoare annotation is: true [2019-11-26 02:51:16,959 INFO L447 ceAbstractionStarter]: At program point L2707(lines 2694 2822) the Hoare annotation is: true [2019-11-26 02:51:16,959 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 732) no Hoare annotation was computed. [2019-11-26 02:51:16,959 INFO L447 ceAbstractionStarter]: At program point L2776(lines 2776 2783) the Hoare annotation is: true [2019-11-26 02:51:16,959 INFO L447 ceAbstractionStarter]: At program point L2712(lines 2712 2719) the Hoare annotation is: true [2019-11-26 02:51:16,959 INFO L444 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2019-11-26 02:51:16,959 INFO L444 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-11-26 02:51:16,959 INFO L440 ceAbstractionStarter]: At program point L733(lines 52 68) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:51:16,959 INFO L447 ceAbstractionStarter]: At program point L733-1(lines 52 68) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point L2785(lines 2772 2816) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point L2721(lines 2708 2821) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point L2790(lines 2790 2797) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point L2726(lines 2726 2733) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L444 ceAbstractionStarter]: For program point L2662(lines 2661 2825) no Hoare annotation was computed. [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point L2799(lines 2786 2815) the Hoare annotation is: true [2019-11-26 02:51:16,960 INFO L447 ceAbstractionStarter]: At program point L2735(lines 2722 2820) the Hoare annotation is: true [2019-11-26 02:51:16,961 INFO L444 ceAbstractionStarter]: For program point L2669(lines 2669 2824) no Hoare annotation was computed. [2019-11-26 02:51:16,961 INFO L447 ceAbstractionStarter]: At program point L2804(lines 2804 2811) the Hoare annotation is: true [2019-11-26 02:51:16,961 INFO L447 ceAbstractionStarter]: At program point L2804-1(lines 2661 2825) the Hoare annotation is: true [2019-11-26 02:51:16,961 INFO L447 ceAbstractionStarter]: At program point L2673(lines 2673 2680) the Hoare annotation is: true [2019-11-26 02:51:16,961 INFO L444 ceAbstractionStarter]: For program point L2740(lines 2740 2744) no Hoare annotation was computed. [2019-11-26 02:51:16,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:51:16 BoogieIcfgContainer [2019-11-26 02:51:16,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:51:16,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:51:16,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:51:16,981 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:51:16,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:16" (3/4) ... [2019-11-26 02:51:16,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:51:17,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 412 nodes and edges [2019-11-26 02:51:17,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2019-11-26 02:51:17,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:51:17,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:51:17,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:17,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:17,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_14446ee4-33c3-4792-9f1b-5897baebc3b5/bin/utaipan/witness.graphml [2019-11-26 02:51:17,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:51:17,320 INFO L168 Benchmark]: Toolchain (without parser) took 8094.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.8 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -57.2 MB). Peak memory consumption was 229.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,321 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:17,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 856.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -115.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,322 INFO L168 Benchmark]: Boogie Preprocessor took 152.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,322 INFO L168 Benchmark]: RCFGBuilder took 5705.34 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -75.9 MB). Peak memory consumption was 396.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,323 INFO L168 Benchmark]: TraceAbstraction took 924.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,323 INFO L168 Benchmark]: Witness Printer took 337.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:17,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 856.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -115.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 152.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5705.34 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -75.9 MB). Peak memory consumption was 396.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 924.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * Witness Printer took 337.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 732]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 732]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2751]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2726]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2673]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2683]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 2 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 2 SDslu, 103 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 26 LocationsWithAnnotation, 26 PreInvPairs, 32 NumberOfFragments, 30 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 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...