./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product24.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_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/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 633b091e48187ea936530a5fca706318787dd2cf ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:53:40,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:53:40,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:53:40,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:53:40,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:53:40,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:53:40,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:53:40,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:53:40,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:53:40,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:53:40,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:53:40,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:53:40,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:53:40,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:53:40,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:53:40,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:53:40,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:53:40,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:53:40,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:53:40,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:53:40,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:53:40,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:53:40,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:53:40,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:53:40,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:53:40,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:53:40,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:53:40,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:53:40,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:53:40,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:53:40,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:53:40,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:53:40,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:53:40,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:53:40,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:53:40,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:53:40,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:53:40,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:53:40,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:53:40,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:53:40,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:53:40,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:53:40,178 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:53:40,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:53:40,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:53:40,188 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:53:40,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:53:40,189 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:53:40,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:53:40,189 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:53:40,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:53:40,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:53:40,190 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:53:40,190 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:53:40,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:53:40,191 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:53:40,191 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:53:40,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:53:40,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:53:40,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:53:40,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:53:40,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:53:40,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:53:40,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:53:40,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:53:40,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:53:40,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:53:40,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:53:40,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:53:40,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:53:40,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:53:40,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:40,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:53:40,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:53:40,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:53:40,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:53:40,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:53:40,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:53:40,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:53:40,196 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_be56dc78-2e82-45c9-b92a-22b2e6d747fc/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 -> 633b091e48187ea936530a5fca706318787dd2cf [2019-11-26 02:53:40,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:53:40,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:53:40,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:53:40,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:53:40,342 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:53:40,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2019-11-26 02:53:40,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/data/5cbec92df/abf2356984304f9d9a65f0c0c33978dc/FLAG35c419681 [2019-11-26 02:53:40,961 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:53:40,962 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2019-11-26 02:53:40,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/data/5cbec92df/abf2356984304f9d9a65f0c0c33978dc/FLAG35c419681 [2019-11-26 02:53:41,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/data/5cbec92df/abf2356984304f9d9a65f0c0c33978dc [2019-11-26 02:53:41,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:53:41,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:53:41,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:41,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:53:41,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:53:41,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6ee245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41, skipping insertion in model container [2019-11-26 02:53:41,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:53:41,541 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:53:42,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:42,225 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:53:42,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:42,430 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:53:42,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42 WrapperNode [2019-11-26 02:53:42,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:42,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:42,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:53:42,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:53:42,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:42,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:53:42,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:53:42,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:53:42,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... [2019-11-26 02:53:42,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:53:42,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:53:42,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:53:42,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:53:42,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/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 02:53:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:53:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:53:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:53:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:53:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:49,729 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:49,729 INFO L284 CfgBuilder]: Removed 323 assume(true) statements. [2019-11-26 02:53:49,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:49 BoogieIcfgContainer [2019-11-26 02:53:49,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:49,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:49,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:49,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:49,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:53:41" (1/3) ... [2019-11-26 02:53:49,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700f44b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:49, skipping insertion in model container [2019-11-26 02:53:49,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:42" (2/3) ... [2019-11-26 02:53:49,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700f44b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:49, skipping insertion in model container [2019-11-26 02:53:49,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:49" (3/3) ... [2019-11-26 02:53:49,737 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2019-11-26 02:53:49,743 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:49,748 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:53:49,756 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:53:49,774 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:49,774 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:49,775 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:49,775 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:49,775 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:49,775 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:49,775 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:49,775 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-26 02:53:49,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:53:49,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:49,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:49,794 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:49,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:49,798 INFO L82 PathProgramCache]: Analyzing trace with hash 44335091, now seen corresponding path program 1 times [2019-11-26 02:53:49,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:49,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440795300] [2019-11-26 02:53:49,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:50,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440795300] [2019-11-26 02:53:50,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:50,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:53:50,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043316464] [2019-11-26 02:53:50,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:53:50,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:50,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:53:50,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:50,208 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-11-26 02:53:50,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:50,224 INFO L93 Difference]: Finished difference Result 56 states and 89 transitions. [2019-11-26 02:53:50,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:53:50,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:53:50,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:50,233 INFO L225 Difference]: With dead ends: 56 [2019-11-26 02:53:50,233 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:53:50,235 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:53:50,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:53:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:53:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:53:50,278 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:53:50,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:50,279 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:53:50,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:53:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:53:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:53:50,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:50,281 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:50,282 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:50,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:50,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1262259829, now seen corresponding path program 1 times [2019-11-26 02:53:50,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:50,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830633831] [2019-11-26 02:53:50,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:50,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830633831] [2019-11-26 02:53:50,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:50,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:50,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528727933] [2019-11-26 02:53:50,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:50,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:50,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:50,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:50,481 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:53:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:50,498 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:53:50,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:50,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:53:50,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:50,500 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:53:50,500 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:53:50,501 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:53:50,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:53:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:53:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:53:50,507 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:53:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:50,507 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:53:50,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:53:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:53:50,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:50,509 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:50,509 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:50,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:50,509 INFO L82 PathProgramCache]: Analyzing trace with hash -619304596, now seen corresponding path program 1 times [2019-11-26 02:53:50,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:50,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445103863] [2019-11-26 02:53:50,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:53:50,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445103863] [2019-11-26 02:53:50,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:50,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:53:50,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841068573] [2019-11-26 02:53:50,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:53:50,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:50,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:53:50,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:53:50,671 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 4 states. [2019-11-26 02:53:50,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:50,700 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:53:50,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:53:50,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-26 02:53:50,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:50,701 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:53:50,701 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:53:50,702 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:53:50,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:53:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:53:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:53:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:53:50,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:53:50,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:50,703 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:53:50,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:53:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:53:50,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:53:50,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:53:50,780 INFO L440 ceAbstractionStarter]: At program point L630(lines 617 661) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,780 INFO L444 ceAbstractionStarter]: For program point L501(lines 500 670) no Hoare annotation was computed. [2019-11-26 02:53:50,780 INFO L440 ceAbstractionStarter]: At program point L635(lines 635 642) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,780 INFO L444 ceAbstractionStarter]: For program point L508(lines 508 669) no Hoare annotation was computed. [2019-11-26 02:53:50,780 INFO L440 ceAbstractionStarter]: At program point L644(lines 631 660) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,781 INFO L440 ceAbstractionStarter]: At program point L512(lines 512 519) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,781 INFO L440 ceAbstractionStarter]: At program point L649(lines 649 656) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,781 INFO L440 ceAbstractionStarter]: At program point L649-1(lines 500 670) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,781 INFO L440 ceAbstractionStarter]: At program point L1179(lines 1179 1186) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,781 INFO L447 ceAbstractionStarter]: At program point L1179-1(lines 1179 1186) the Hoare annotation is: true [2019-11-26 02:53:50,781 INFO L440 ceAbstractionStarter]: At program point L521(lines 508 669) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,781 INFO L440 ceAbstractionStarter]: At program point L526(lines 526 533) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,782 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1327) no Hoare annotation was computed. [2019-11-26 02:53:50,782 INFO L444 ceAbstractionStarter]: For program point L1327(line 1327) no Hoare annotation was computed. [2019-11-26 02:53:50,782 INFO L444 ceAbstractionStarter]: For program point L1327-1(line 1327) no Hoare annotation was computed. [2019-11-26 02:53:50,782 INFO L440 ceAbstractionStarter]: At program point L535(lines 522 668) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,782 INFO L440 ceAbstractionStarter]: At program point L1328(lines 1794 1811) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~11 1) (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~19))) [2019-11-26 02:53:50,782 INFO L447 ceAbstractionStarter]: At program point L1328-1(lines 1794 1811) the Hoare annotation is: true [2019-11-26 02:53:50,782 INFO L440 ceAbstractionStarter]: At program point L671(lines 499 672) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L540(lines 540 547) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L805(lines 805 812) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L805-1(lines 1 2928) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L805-2(lines 805 812) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L549(lines 536 667) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L554(lines 554 561) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,783 INFO L440 ceAbstractionStarter]: At program point L563(lines 550 666) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1327) no Hoare annotation was computed. [2019-11-26 02:53:50,784 INFO L440 ceAbstractionStarter]: At program point L568(lines 568 575) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,784 INFO L440 ceAbstractionStarter]: At program point L577(lines 564 665) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,784 INFO L440 ceAbstractionStarter]: At program point L582(lines 582 589) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:53:50,784 INFO L440 ceAbstractionStarter]: At program point L591(lines 578 664) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,784 INFO L440 ceAbstractionStarter]: At program point L1123(lines 1123 1131) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,785 INFO L440 ceAbstractionStarter]: At program point L596(lines 596 603) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,785 INFO L440 ceAbstractionStarter]: At program point L605(lines 592 663) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,785 INFO L444 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-11-26 02:53:50,785 INFO L444 ceAbstractionStarter]: For program point L1802(lines 1802 1808) no Hoare annotation was computed. [2019-11-26 02:53:50,785 INFO L444 ceAbstractionStarter]: For program point L1802-2(lines 1802 1808) no Hoare annotation was computed. [2019-11-26 02:53:50,785 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:53:50,785 INFO L440 ceAbstractionStarter]: At program point L616(lines 606 662) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,786 INFO L440 ceAbstractionStarter]: At program point L621(lines 621 628) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~11 1) [2019-11-26 02:53:50,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:50 BoogieIcfgContainer [2019-11-26 02:53:50,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:50,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:50,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:50,801 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:50,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:49" (3/4) ... [2019-11-26 02:53:50,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:53:50,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 523 nodes and edges [2019-11-26 02:53:50,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2019-11-26 02:53:50,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-26 02:53:50,868 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:53:50,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:53:50,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:53:51,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be56dc78-2e82-45c9-b92a-22b2e6d747fc/bin/utaipan/witness.graphml [2019-11-26 02:53:51,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:51,178 INFO L168 Benchmark]: Toolchain (without parser) took 9732.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -213.0 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:51,179 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:51,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 982.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:51,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.26 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:51,180 INFO L168 Benchmark]: Boogie Preprocessor took 150.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:51,180 INFO L168 Benchmark]: RCFGBuilder took 7023.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 819.2 MB in the end (delta: 244.5 MB). Peak memory consumption was 430.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:51,181 INFO L168 Benchmark]: TraceAbstraction took 1068.81 ms. Allocated memory is still 1.4 GB. Free memory was 819.2 MB in the beginning and 1.2 GB in the end (delta: -384.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:51,181 INFO L168 Benchmark]: Witness Printer took 375.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:51,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 982.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.26 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 150.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7023.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 819.2 MB in the end (delta: 244.5 MB). Peak memory consumption was 430.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1068.81 ms. Allocated memory is still 1.4 GB. Free memory was 819.2 MB in the beginning and 1.2 GB in the end (delta: -384.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 375.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1327]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1327]: 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: 526]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1179]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1123]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1794]: Loop Invariant Derived loop invariant: tmp == 1 && !(0 == tmp) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: tmp == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 2 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 185 SDtfs, 60 SDslu, 110 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 31 LocationsWithAnnotation, 31 PreInvPairs, 43 NumberOfFragments, 92 HoareAnnotationTreeSize, 31 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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...