./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4fee54ccb193d38705f292ec1df682c5f160e2b5ba09e341cb9a12b4e6b2606 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:48,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:48,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:48,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:48,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:48,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:48,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:48,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:48,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:48,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:48,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:48,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:48,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:48,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:48,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:48,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:48,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:48,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:48,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:48,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:48,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:48,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:48,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:48,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:48,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:48,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:48,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:48,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:48,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:48,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:48,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:48,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:48,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:48,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:48,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:48,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:48,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:48,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:48,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:48,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:48,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:48,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:44:48,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:48,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:48,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:48,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:48,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:48,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:48,809 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:48,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:48,810 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:48,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:48,811 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:48,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:48,812 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:48,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:48,813 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:48,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:48,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:48,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:48,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:48,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:48,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:48,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:48,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:48,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:48,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:48,818 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:48,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:48,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:48,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:48,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:48,819 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4fee54ccb193d38705f292ec1df682c5f160e2b5ba09e341cb9a12b4e6b2606 [2021-11-23 16:44:49,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:49,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:49,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:49,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:49,101 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:49,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2021-11-23 16:44:49,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/cbe796c61/79341f67896d404d9fbc9de571b266c8/FLAG2d7d5c8b4 [2021-11-23 16:44:49,791 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:49,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2021-11-23 16:44:49,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/cbe796c61/79341f67896d404d9fbc9de571b266c8/FLAG2d7d5c8b4 [2021-11-23 16:44:49,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/cbe796c61/79341f67896d404d9fbc9de571b266c8 [2021-11-23 16:44:49,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:50,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:50,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:50,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:50,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:50,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:49" (1/1) ... [2021-11-23 16:44:50,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4d53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50, skipping insertion in model container [2021-11-23 16:44:50,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:49" (1/1) ... [2021-11-23 16:44:50,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:50,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:50,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2021-11-23 16:44:50,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:50,828 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:50,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2021-11-23 16:44:50,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:50,963 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:50,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50 WrapperNode [2021-11-23 16:44:50,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:50,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:50,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:50,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:50,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,077 INFO L137 Inliner]: procedures = 129, calls = 220, calls flagged for inlining = 58, calls inlined = 55, statements flattened = 1072 [2021-11-23 16:44:51,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:51,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:51,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:51,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:51,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:51,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:51,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:51,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:51,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:51,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:51,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:51,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 16:44:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 16:44:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:44:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:44:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 16:44:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 16:44:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:44:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:44:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:44:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:44:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:44:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:44:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:44:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:44:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:44:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:44:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:44:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:44:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:44:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:44:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:44:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 16:44:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 16:44:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:44:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:44:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:44:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:44:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:44:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:44:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-11-23 16:44:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-11-23 16:44:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:44:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:44:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:44:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:44:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:44:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:44:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:44:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:44:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:44:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:44:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:44:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 16:44:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 16:44:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:51,547 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:51,550 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:52,524 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:44:52,602 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:44:52,607 INFO L158 Benchmark]: Toolchain (without parser) took 2605.07ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 68.2MB in the end (delta: -8.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,608 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:52,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.05ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 48.3MB in the end (delta: 10.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.76ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 48.3MB in the beginning and 94.9MB in the end (delta: -46.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,612 INFO L158 Benchmark]: Boogie Preprocessor took 84.31ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,613 INFO L158 Benchmark]: RCFGBuilder took 1440.79ms. Allocated memory is still 121.6MB. Free memory was 90.6MB in the beginning and 68.2MB in the end (delta: 22.3MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.05ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 48.3MB in the end (delta: 10.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.76ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 48.3MB in the beginning and 94.9MB in the end (delta: -46.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.31ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1440.79ms. Allocated memory is still 121.6MB. Free memory was 90.6MB in the beginning and 68.2MB in the end (delta: 22.3MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:44:52,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4fee54ccb193d38705f292ec1df682c5f160e2b5ba09e341cb9a12b4e6b2606 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:55,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:55,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:55,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:55,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:55,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:55,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:55,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:55,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:55,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:55,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:55,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:55,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:55,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:55,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:55,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:55,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:55,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:55,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:55,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:55,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:55,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:55,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:55,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:55,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:55,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:55,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:55,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:55,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:55,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:55,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:55,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:55,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:55,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:55,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:55,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:55,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:55,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:55,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:55,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:55,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:55,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:44:55,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:55,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:55,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:55,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:55,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:55,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:55,364 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:55,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:55,364 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:55,364 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:55,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:55,366 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:55,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:55,367 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:55,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:55,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:55,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:55,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:55,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:55,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:55,369 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:44:55,369 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:44:55,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:55,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:55,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:55,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:55,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:55,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:44:55,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:55,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:55,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:55,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:55,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:55,371 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:44:55,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:44:55,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:55,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:55,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:55,373 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4fee54ccb193d38705f292ec1df682c5f160e2b5ba09e341cb9a12b4e6b2606 [2021-11-23 16:44:55,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:55,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:55,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:55,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:55,798 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:55,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2021-11-23 16:44:55,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/eb1f5fa16/f2a4d87a58aa448c9c8650df6f838d04/FLAG9d973527b [2021-11-23 16:44:56,598 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:56,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2021-11-23 16:44:56,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/eb1f5fa16/f2a4d87a58aa448c9c8650df6f838d04/FLAG9d973527b [2021-11-23 16:44:56,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/data/eb1f5fa16/f2a4d87a58aa448c9c8650df6f838d04 [2021-11-23 16:44:56,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:56,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:56,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:56,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:56,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:56,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:56" (1/1) ... [2021-11-23 16:44:56,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed0f05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:56, skipping insertion in model container [2021-11-23 16:44:56,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:56" (1/1) ... [2021-11-23 16:44:56,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:56,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:57,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2021-11-23 16:44:57,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:57,761 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:44:57,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:57,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2021-11-23 16:44:57,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:57,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:57,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2021-11-23 16:44:58,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:58,126 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:58,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58 WrapperNode [2021-11-23 16:44:58,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:58,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:58,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:58,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:58,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,277 INFO L137 Inliner]: procedures = 131, calls = 220, calls flagged for inlining = 58, calls inlined = 55, statements flattened = 1018 [2021-11-23 16:44:58,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:58,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:58,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:58,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:58,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:58,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:58,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:58,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:58,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:58,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:58,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 16:44:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 16:44:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:44:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:44:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 16:44:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 16:44:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:44:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:44:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:44:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:44:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:44:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:44:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:44:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:44:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:44:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:44:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:44:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:44:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:44:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:44:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:44:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 16:44:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 16:44:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:44:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:44:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:44:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:44:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:44:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:44:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:44:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-11-23 16:44:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-11-23 16:44:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:44:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:44:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:44:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:44:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:44:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:44:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:44:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:44:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:44:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:44:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 16:44:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 16:44:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:58,763 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:58,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:59,867 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:44:59,885 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:44:59,885 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:44:59,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:44:59 BoogieIcfgContainer [2021-11-23 16:44:59,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:44:59,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:44:59,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:44:59,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:44:59,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:44:56" (1/3) ... [2021-11-23 16:44:59,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174522ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:44:59, skipping insertion in model container [2021-11-23 16:44:59,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (2/3) ... [2021-11-23 16:44:59,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174522ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:44:59, skipping insertion in model container [2021-11-23 16:44:59,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:44:59" (3/3) ... [2021-11-23 16:44:59,897 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product21.cil.c [2021-11-23 16:44:59,902 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:44:59,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:44:59,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:44:59,956 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 16:44:59,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:44:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 297 states have (on average 1.569023569023569) internal successors, (466), 302 states have internal predecessors, (466), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2021-11-23 16:44:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 16:45:00,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:45:00,001 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:45:00,001 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:45:00,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:45:00,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1929475280, now seen corresponding path program 1 times [2021-11-23 16:45:00,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:45:00,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297831394] [2021-11-23 16:45:00,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:45:00,022 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:45:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:45:00,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:45:00,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:45:00,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:45:00,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:45:00,344 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:45:00,348 INFO L158 Benchmark]: Toolchain (without parser) took 3494.52ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 45.9MB in the end (delta: 3.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 16:45:00,349 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:00,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1287.81ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 32.3MB in the end (delta: 17.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 16:45:00,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.58ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 32.3MB in the beginning and 64.3MB in the end (delta: -32.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:00,351 INFO L158 Benchmark]: Boogie Preprocessor took 75.53ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 59.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:00,352 INFO L158 Benchmark]: RCFGBuilder took 1534.11ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 60.4MB in the end (delta: -797.0kB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 16:45:00,352 INFO L158 Benchmark]: TraceAbstraction took 455.44ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 45.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:45:00,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1287.81ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 32.3MB in the end (delta: 17.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.58ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 32.3MB in the beginning and 64.3MB in the end (delta: -32.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.53ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 59.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1534.11ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 60.4MB in the end (delta: -797.0kB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 455.44ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 45.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:45:00,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8801479c-8035-4f49-8361-16bda4a3b1de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable